id sid tid token lemma pos fcis-2485 1 1 frontiers frontier NOUN fcis-2485 1 2 in in ADP fcis-2485 1 3 computing computing NOUN fcis-2485 1 4 and and CCONJ fcis-2485 1 5 intelligent intelligent ADJ fcis-2485 1 6 systems system NOUN fcis-2485 1 7 issn issn VERB fcis-2485 1 8 : : PUNCT fcis-2485 1 9 2832 2832 NUM fcis-2485 1 10 - - SYM fcis-2485 1 11 6024 6024 NUM fcis-2485 1 12 | | NOUN fcis-2485 1 13 vol vol NOUN fcis-2485 1 14 . . PROPN fcis-2485 2 1 2 2 NUM fcis-2485 2 2 , , PUNCT fcis-2485 2 3 no no INTJ fcis-2485 2 4 . . NOUN fcis-2485 2 5 1 1 NUM fcis-2485 2 6 , , PUNCT fcis-2485 2 7 2022 2022 NUM fcis-2485 2 8 10 10 NUM fcis-2485 2 9 review review NOUN fcis-2485 2 10 of of ADP fcis-2485 2 11 rssi rssi NOUN fcis-2485 2 12 - - PUNCT fcis-2485 2 13 based base VERB fcis-2485 2 14 positioning positioning NOUN fcis-2485 2 15 algorithm algorithm NOUN fcis-2485 2 16 and and CCONJ fcis-2485 2 17 accuracy accuracy NOUN fcis-2485 2 18 tianhao tianhao PROPN fcis-2485 2 19 wu wu PROPN fcis-2485 2 20 * * PROPN fcis-2485 2 21 school school NOUN fcis-2485 2 22 of of ADP fcis-2485 2 23 mechanical mechanical ADJ fcis-2485 2 24 engineering engineering NOUN fcis-2485 2 25 & & CCONJ fcis-2485 2 26 automation automation PROPN fcis-2485 2 27 , , PUNCT fcis-2485 2 28 bei bei X fcis-2485 2 29 hang hang VERB fcis-2485 2 30 university university NOUN fcis-2485 2 31 , , PUNCT fcis-2485 2 32 beijing beijing PROPN fcis-2485 2 33 , , PUNCT fcis-2485 2 34 100191 100191 NUM fcis-2485 2 35 , , PUNCT fcis-2485 2 36 china china PROPN fcis-2485 2 37 * * PUNCT fcis-2485 2 38 corresponding correspond VERB fcis-2485 2 39 author author NOUN fcis-2485 2 40 : : PUNCT fcis-2485 2 41 email email NOUN fcis-2485 2 42 : : PUNCT fcis-2485 2 43 18374174@buaa.edu.cn 18374174@buaa.edu.cn NUM fcis-2485 2 44 . . PUNCT fcis-2485 3 1 abstract abstract ADJ fcis-2485 3 2 : : PUNCT fcis-2485 3 3 the the DET fcis-2485 3 4 demand demand NOUN fcis-2485 3 5 for for ADP fcis-2485 3 6 high high ADJ fcis-2485 3 7 - - PUNCT fcis-2485 3 8 precision precision NOUN fcis-2485 3 9 , , PUNCT fcis-2485 3 10 low low ADJ fcis-2485 3 11 - - PUNCT fcis-2485 3 12 cost cost NOUN fcis-2485 3 13 , , PUNCT fcis-2485 3 14 and and CCONJ fcis-2485 3 15 widely widely ADV fcis-2485 3 16 used use VERB fcis-2485 3 17 wireless wireless ADJ fcis-2485 3 18 sensor sensor NOUN fcis-2485 3 19 network network NOUN fcis-2485 3 20 positioning positioning NOUN fcis-2485 3 21 technology technology NOUN fcis-2485 3 22 continues continue VERB fcis-2485 3 23 to to PART fcis-2485 3 24 increase increase VERB fcis-2485 3 25 , , PUNCT fcis-2485 3 26 and and CCONJ fcis-2485 3 27 the the DET fcis-2485 3 28 algorithms algorithm NOUN fcis-2485 3 29 for for ADP fcis-2485 3 30 positioning positioning NOUN fcis-2485 3 31 using use VERB fcis-2485 3 32 wireless wireless ADJ fcis-2485 3 33 sensor sensor NOUN fcis-2485 3 34 networks network NOUN fcis-2485 3 35 have have AUX fcis-2485 3 36 been be AUX fcis-2485 3 37 suffering suffer VERB fcis-2485 3 38 from from ADP fcis-2485 3 39 the the DET fcis-2485 3 40 problem problem NOUN fcis-2485 3 41 of of ADP fcis-2485 3 42 insufficient insufficient ADJ fcis-2485 3 43 accuracy accuracy NOUN fcis-2485 3 44 . . PUNCT fcis-2485 4 1 this this DET fcis-2485 4 2 paper paper NOUN fcis-2485 4 3 introduces introduce NOUN fcis-2485 4 4 and and CCONJ fcis-2485 4 5 analyzes analyze VERB fcis-2485 4 6 the the DET fcis-2485 4 7 steps step NOUN fcis-2485 4 8 and and CCONJ fcis-2485 4 9 principles principle NOUN fcis-2485 4 10 of of ADP fcis-2485 4 11 the the DET fcis-2485 4 12 rssi rssi ADJ fcis-2485 4 13 algorithm algorithm NOUN fcis-2485 4 14 , , PUNCT fcis-2485 4 15 which which PRON fcis-2485 4 16 has have VERB fcis-2485 4 17 low low ADJ fcis-2485 4 18 hardware hardware NOUN fcis-2485 4 19 requirements requirement NOUN fcis-2485 4 20 and and CCONJ fcis-2485 4 21 can can AUX fcis-2485 4 22 achieve achieve VERB fcis-2485 4 23 high high ADJ fcis-2485 4 24 accuracy accuracy NOUN fcis-2485 4 25 positioning positioning NOUN fcis-2485 4 26 , , PUNCT fcis-2485 4 27 and and CCONJ fcis-2485 4 28 describes describe VERB fcis-2485 4 29 the the DET fcis-2485 4 30 mathematical mathematical ADJ fcis-2485 4 31 model model NOUN fcis-2485 4 32 and and CCONJ fcis-2485 4 33 related related ADJ fcis-2485 4 34 algorithms algorithm NOUN fcis-2485 4 35 used use VERB fcis-2485 4 36 . . PUNCT fcis-2485 5 1 finally finally ADV fcis-2485 5 2 , , PUNCT fcis-2485 5 3 we we PRON fcis-2485 5 4 conclude conclude VERB fcis-2485 5 5 and and CCONJ fcis-2485 5 6 provide provide VERB fcis-2485 5 7 an an DET fcis-2485 5 8 outlook outlook NOUN fcis-2485 5 9 on on ADP fcis-2485 5 10 the the DET fcis-2485 5 11 future future NOUN fcis-2485 5 12 and and CCONJ fcis-2485 5 13 development development NOUN fcis-2485 5 14 of of ADP fcis-2485 5 15 rssi rssi NOUN fcis-2485 5 16 . . PUNCT fcis-2485 6 1 keywords keyword NOUN fcis-2485 6 2 : : PUNCT fcis-2485 6 3 rssi rssi ADJ fcis-2485 6 4 ; ; PUNCT fcis-2485 6 5 positioning positioning NOUN fcis-2485 6 6 ; ; PUNCT fcis-2485 6 7 accuracy accuracy NOUN fcis-2485 6 8 . . PUNCT fcis-2485 7 1 1 1 X fcis-2485 7 2 . . X fcis-2485 7 3 introduction introduction NOUN fcis-2485 7 4 1.1 1.1 NUM fcis-2485 7 5 . . PUNCT fcis-2485 8 1 wsn wsn PROPN fcis-2485 8 2 positioning positioning NOUN fcis-2485 8 3 wireless wireless ADJ fcis-2485 8 4 sensing sense VERB fcis-2485 8 5 technology technology NOUN fcis-2485 8 6 is be AUX fcis-2485 8 7 a a DET fcis-2485 8 8 rapidly rapidly ADV fcis-2485 8 9 developing develop VERB fcis-2485 8 10 technology technology NOUN fcis-2485 8 11 of of ADP fcis-2485 8 12 information information NOUN fcis-2485 8 13 and and CCONJ fcis-2485 8 14 communication communication NOUN fcis-2485 8 15 . . PUNCT fcis-2485 9 1 currently currently ADV fcis-2485 9 2 , , PUNCT fcis-2485 9 3 the the DET fcis-2485 9 4 computing computing NOUN fcis-2485 9 5 and and CCONJ fcis-2485 9 6 communicating communicate VERB fcis-2485 9 7 capabilities capability NOUN fcis-2485 9 8 of of ADP fcis-2485 9 9 wireless wireless ADJ fcis-2485 9 10 sensors sensor NOUN fcis-2485 9 11 are be AUX fcis-2485 9 12 gradually gradually ADV fcis-2485 9 13 increasing increase VERB fcis-2485 9 14 , , PUNCT fcis-2485 9 15 therefore therefore ADV fcis-2485 9 16 , , PUNCT fcis-2485 9 17 wsn wsn PROPN fcis-2485 9 18 , , PUNCT fcis-2485 9 19 which which PRON fcis-2485 9 20 is be AUX fcis-2485 9 21 composed compose VERB fcis-2485 9 22 of of ADP fcis-2485 9 23 multiple multiple ADJ fcis-2485 9 24 wireless wireless ADJ fcis-2485 9 25 sensors sensor NOUN fcis-2485 9 26 , , PUNCT fcis-2485 9 27 are be AUX fcis-2485 9 28 being be AUX fcis-2485 9 29 more more ADV fcis-2485 9 30 widely widely ADV fcis-2485 9 31 used use VERB fcis-2485 9 32 , , PUNCT fcis-2485 9 33 and and CCONJ fcis-2485 9 34 their their PRON fcis-2485 9 35 use use NOUN fcis-2485 9 36 scenarios scenario NOUN fcis-2485 9 37 have have AUX fcis-2485 9 38 been be AUX fcis-2485 9 39 expanded expand VERB fcis-2485 9 40 . . PUNCT fcis-2485 10 1 an an DET fcis-2485 10 2 important important ADJ fcis-2485 10 3 application application NOUN fcis-2485 10 4 is be AUX fcis-2485 10 5 the the DET fcis-2485 10 6 usage usage NOUN fcis-2485 10 7 of of ADP fcis-2485 10 8 wsn wsn NOUN fcis-2485 10 9 for for ADP fcis-2485 10 10 positioning positioning NOUN fcis-2485 10 11 , , PUNCT fcis-2485 10 12 such such ADJ fcis-2485 10 13 as as ADP fcis-2485 10 14 satellite satellite NOUN fcis-2485 10 15 positioning positioning NOUN fcis-2485 10 16 and and CCONJ fcis-2485 10 17 cell cell NOUN fcis-2485 10 18 phone phone NOUN fcis-2485 10 19 positioning positioning NOUN fcis-2485 10 20 have have AUX fcis-2485 10 21 become become VERB fcis-2485 10 22 very very ADV fcis-2485 10 23 common common ADJ fcis-2485 10 24 , , PUNCT fcis-2485 10 25 also also ADV fcis-2485 10 26 , , PUNCT fcis-2485 10 27 various various ADJ fcis-2485 10 28 types type NOUN fcis-2485 10 29 of of ADP fcis-2485 10 30 positioning positioning NOUN fcis-2485 10 31 methods method NOUN fcis-2485 10 32 are be AUX fcis-2485 10 33 used use VERB fcis-2485 10 34 in in ADP fcis-2485 10 35 military military NOUN fcis-2485 10 36 , , PUNCT fcis-2485 10 37 transportation transportation NOUN fcis-2485 10 38 and and CCONJ fcis-2485 10 39 production production NOUN fcis-2485 11 1 [ [ X fcis-2485 11 2 1 1 NUM fcis-2485 11 3 - - SYM fcis-2485 11 4 2 2 NUM fcis-2485 11 5 ] ] PUNCT fcis-2485 11 6 . . PUNCT fcis-2485 12 1 the the DET fcis-2485 12 2 common common ADJ fcis-2485 12 3 application application NOUN fcis-2485 12 4 scenarios scenario NOUN fcis-2485 12 5 of of ADP fcis-2485 12 6 wireless wireless ADJ fcis-2485 12 7 sensor sensor NOUN fcis-2485 12 8 network network NOUN fcis-2485 12 9 localization localization NOUN fcis-2485 12 10 today today NOUN fcis-2485 12 11 are be AUX fcis-2485 12 12 mainly mainly ADV fcis-2485 12 13 outdoor outdoor ADJ fcis-2485 12 14 wide wide ADJ fcis-2485 12 15 - - PUNCT fcis-2485 12 16 area area NOUN fcis-2485 12 17 localization localization NOUN fcis-2485 12 18 , , PUNCT fcis-2485 12 19 such such ADJ fcis-2485 12 20 as as ADP fcis-2485 12 21 the the DET fcis-2485 12 22 localization localization NOUN fcis-2485 12 23 of of ADP fcis-2485 12 24 vehicles vehicle NOUN fcis-2485 12 25 and and CCONJ fcis-2485 12 26 cell cell NOUN fcis-2485 12 27 phones phone NOUN fcis-2485 12 28 , , PUNCT fcis-2485 12 29 which which PRON fcis-2485 12 30 usually usually ADV fcis-2485 12 31 do do AUX fcis-2485 12 32 not not PART fcis-2485 12 33 have have VERB fcis-2485 12 34 high high ADJ fcis-2485 12 35 accuracy accuracy NOUN fcis-2485 12 36 ; ; PUNCT fcis-2485 12 37 in in ADP fcis-2485 12 38 scientific scientific ADJ fcis-2485 12 39 researches research NOUN fcis-2485 12 40 , , PUNCT fcis-2485 12 41 one one NUM fcis-2485 12 42 of of ADP fcis-2485 12 43 the the DET fcis-2485 12 44 popular popular ADJ fcis-2485 12 45 research research NOUN fcis-2485 12 46 directions direction NOUN fcis-2485 12 47 is be AUX fcis-2485 12 48 the the DET fcis-2485 12 49 positioning positioning NOUN fcis-2485 12 50 of of ADP fcis-2485 12 51 mobile mobile ADJ fcis-2485 12 52 robots robot NOUN fcis-2485 12 53 and and CCONJ fcis-2485 12 54 robot robot NOUN fcis-2485 12 55 crowds crowd NOUN fcis-2485 12 56 , , PUNCT fcis-2485 12 57 which which PRON fcis-2485 12 58 usually usually ADV fcis-2485 12 59 target target VERB fcis-2485 12 60 the the DET fcis-2485 12 61 positioning positioning NOUN fcis-2485 12 62 of of ADP fcis-2485 12 63 two two NUM fcis-2485 12 64 - - PUNCT fcis-2485 12 65 dimensional dimensional ADJ fcis-2485 12 66 planes plane NOUN fcis-2485 12 67 . . PUNCT fcis-2485 13 1 for for ADP fcis-2485 13 2 positioning positioning NOUN fcis-2485 13 3 needs need NOUN fcis-2485 13 4 in in ADP fcis-2485 13 5 indoor indoor ADJ fcis-2485 13 6 scenarios scenario NOUN fcis-2485 13 7 , , PUNCT fcis-2485 13 8 higher high ADJ fcis-2485 13 9 positioning positioning NOUN fcis-2485 13 10 accuracy accuracy NOUN fcis-2485 13 11 and and CCONJ fcis-2485 13 12 lower low ADJ fcis-2485 13 13 system system NOUN fcis-2485 13 14 cost cost NOUN fcis-2485 13 15 are be AUX fcis-2485 13 16 often often ADV fcis-2485 13 17 required require VERB fcis-2485 13 18 , , PUNCT fcis-2485 13 19 so so ADV fcis-2485 13 20 positioning positioning NOUN fcis-2485 13 21 solutions solution NOUN fcis-2485 13 22 used use VERB fcis-2485 13 23 in in ADP fcis-2485 13 24 outdoor outdoor ADJ fcis-2485 13 25 environments environment NOUN fcis-2485 13 26 are be AUX fcis-2485 13 27 not not PART fcis-2485 13 28 suitable suitable ADJ fcis-2485 13 29 . . PUNCT fcis-2485 14 1 indoor indoor ADJ fcis-2485 14 2 localization localization NOUN fcis-2485 14 3 techniques technique NOUN fcis-2485 14 4 and and CCONJ fcis-2485 14 5 localization localization NOUN fcis-2485 14 6 algorithms algorithm NOUN fcis-2485 14 7 have have AUX fcis-2485 14 8 become become VERB fcis-2485 14 9 one one NUM fcis-2485 14 10 of of ADP fcis-2485 14 11 the the DET fcis-2485 14 12 current current ADJ fcis-2485 14 13 research research NOUN fcis-2485 14 14 hotspots hotspot NOUN fcis-2485 14 15 in in ADP fcis-2485 14 16 wireless wireless ADJ fcis-2485 14 17 sensing sense VERB fcis-2485 14 18 technology technology NOUN fcis-2485 14 19 . . PUNCT fcis-2485 15 1 1.2 1.2 NUM fcis-2485 15 2 . . PUNCT fcis-2485 15 3 positioning positioning NOUN fcis-2485 15 4 technologies technology NOUN fcis-2485 15 5 and and CCONJ fcis-2485 15 6 algorithms algorithm NOUN fcis-2485 15 7 there there PRON fcis-2485 15 8 are be VERB fcis-2485 15 9 multiple multiple ADJ fcis-2485 15 10 ways way NOUN fcis-2485 15 11 of of ADP fcis-2485 15 12 classifying classify VERB fcis-2485 15 13 algorithms algorithm NOUN fcis-2485 15 14 for for ADP fcis-2485 15 15 positioning positioning NOUN fcis-2485 15 16 techniques technique NOUN fcis-2485 15 17 , , PUNCT fcis-2485 15 18 one one NUM fcis-2485 15 19 of of ADP fcis-2485 15 20 the the DET fcis-2485 15 21 common common ADJ fcis-2485 15 22 ones one NOUN fcis-2485 15 23 is be AUX fcis-2485 15 24 based base VERB fcis-2485 15 25 on on ADP fcis-2485 15 26 whether whether SCONJ fcis-2485 15 27 the the DET fcis-2485 15 28 distance distance NOUN fcis-2485 15 29 between between ADP fcis-2485 15 30 nodes node NOUN fcis-2485 15 31 needs need VERB fcis-2485 15 32 to to PART fcis-2485 15 33 be be AUX fcis-2485 15 34 measured measure VERB fcis-2485 15 35 , , PUNCT fcis-2485 15 36 which which PRON fcis-2485 15 37 divides divide VERB fcis-2485 15 38 the the DET fcis-2485 15 39 algorithms algorithm NOUN fcis-2485 15 40 into into ADP fcis-2485 15 41 positioning positioning NOUN fcis-2485 15 42 algorithms algorithm NOUN fcis-2485 15 43 based base VERB fcis-2485 15 44 on on ADP fcis-2485 15 45 ranging ranging NOUN fcis-2485 15 46 and and CCONJ fcis-2485 15 47 positioning positioning NOUN fcis-2485 15 48 algorithms algorithm NOUN fcis-2485 15 49 without without ADP fcis-2485 15 50 ranging range VERB fcis-2485 15 51 , , PUNCT fcis-2485 15 52 the the DET fcis-2485 15 53 former former ADJ fcis-2485 15 54 includes include VERB fcis-2485 15 55 toa toa NOUN fcis-2485 15 56 ( ( PUNCT fcis-2485 15 57 time time NOUN fcis-2485 15 58 of of ADP fcis-2485 15 59 arrival arrival NOUN fcis-2485 15 60 ) ) PUNCT fcis-2485 15 61 , , PUNCT fcis-2485 15 62 tdoa tdoa NOUN fcis-2485 15 63 ( ( PUNCT fcis-2485 15 64 time time NOUN fcis-2485 15 65 difference difference NOUN fcis-2485 15 66 of of ADP fcis-2485 15 67 arrival arrival NOUN fcis-2485 15 68 ) ) PUNCT fcis-2485 15 69 , , PUNCT fcis-2485 15 70 aoa aoa PROPN fcis-2485 15 71 ( ( PUNCT fcis-2485 15 72 angle angle NOUN fcis-2485 15 73 of of ADP fcis-2485 15 74 arrival arrival NOUN fcis-2485 15 75 ) ) PUNCT fcis-2485 15 76 , , PUNCT fcis-2485 15 77 rssi rssi NOUN fcis-2485 15 78 ( ( PUNCT fcis-2485 15 79 received receive VERB fcis-2485 15 80 signal signal NOUN fcis-2485 15 81 strength strength NOUN fcis-2485 15 82 indication indication NOUN fcis-2485 15 83 ) ) PUNCT fcis-2485 15 84 and and CCONJ fcis-2485 15 85 other other ADJ fcis-2485 15 86 algorithms algorithm NOUN fcis-2485 15 87 , , PUNCT fcis-2485 15 88 while while SCONJ fcis-2485 15 89 the the DET fcis-2485 15 90 latter latter NOUN fcis-2485 15 91 includes include VERB fcis-2485 15 92 the the DET fcis-2485 15 93 center center NOUN fcis-2485 15 94 - - PUNCT fcis-2485 15 95 of of ADP fcis-2485 15 96 - - PUNCT fcis-2485 15 97 mass mass NOUN fcis-2485 15 98 method method NOUN fcis-2485 15 99 , , PUNCT fcis-2485 15 100 indeterminate indeterminate ADJ fcis-2485 15 101 algorithm algorithm NOUN fcis-2485 15 102 , , PUNCT fcis-2485 15 103 apit apit PROPN fcis-2485 15 104 , , PUNCT fcis-2485 15 105 dv dv PROPN fcis-2485 15 106 - - PROPN fcis-2485 15 107 hop hop NOUN fcis-2485 15 108 and and CCONJ fcis-2485 15 109 other other ADJ fcis-2485 15 110 algorithms algorithm NOUN fcis-2485 15 111 . . PUNCT fcis-2485 16 1 these these DET fcis-2485 16 2 algorithms algorithm NOUN fcis-2485 16 3 have have VERB fcis-2485 16 4 advantages advantage NOUN fcis-2485 16 5 and and CCONJ fcis-2485 16 6 disadvantages disadvantage NOUN fcis-2485 16 7 . . PUNCT fcis-2485 17 1 this this DET fcis-2485 17 2 paper paper NOUN fcis-2485 17 3 analyzes analyze VERB fcis-2485 17 4 and and CCONJ fcis-2485 17 5 discusses discuss VERB fcis-2485 17 6 the the DET fcis-2485 17 7 rssi rssi NOUN fcis-2485 17 8 - - PUNCT fcis-2485 17 9 based base VERB fcis-2485 17 10 positioning positioning NOUN fcis-2485 17 11 algorithm algorithm NOUN fcis-2485 17 12 , , PUNCT fcis-2485 17 13 which which PRON fcis-2485 17 14 is be AUX fcis-2485 17 15 mainly mainly ADV fcis-2485 17 16 because because SCONJ fcis-2485 17 17 that that SCONJ fcis-2485 17 18 the the DET fcis-2485 17 19 rssi rssi ADJ fcis-2485 17 20 algorithm algorithm NOUN fcis-2485 17 21 meets meet VERB fcis-2485 17 22 the the DET fcis-2485 17 23 low low ADJ fcis-2485 17 24 hardware hardware NOUN fcis-2485 17 25 requirements requirement NOUN fcis-2485 17 26 and and CCONJ fcis-2485 17 27 meanwhile meanwhile ADV fcis-2485 17 28 its its PRON fcis-2485 17 29 own own ADJ fcis-2485 17 30 characteristics characteristic NOUN fcis-2485 17 31 allow allow VERB fcis-2485 17 32 it it PRON fcis-2485 17 33 to to PART fcis-2485 17 34 achieve achieve VERB fcis-2485 17 35 high high ADJ fcis-2485 17 36 accuracy accuracy NOUN fcis-2485 17 37 positioning positioning NOUN fcis-2485 17 38 under under ADP fcis-2485 17 39 suitable suitable ADJ fcis-2485 17 40 conditions condition NOUN fcis-2485 17 41 , , PUNCT fcis-2485 17 42 which which PRON fcis-2485 17 43 is be AUX fcis-2485 17 44 in in ADP fcis-2485 17 45 line line NOUN fcis-2485 17 46 with with ADP fcis-2485 17 47 the the DET fcis-2485 17 48 development development NOUN fcis-2485 17 49 trend trend NOUN fcis-2485 17 50 of of ADP fcis-2485 17 51 wsn wsn PROPN fcis-2485 17 52 positioning positioning NOUN fcis-2485 17 53 of of ADP fcis-2485 17 54 low low ADJ fcis-2485 17 55 power power NOUN fcis-2485 17 56 consumption consumption NOUN fcis-2485 17 57 and and CCONJ fcis-2485 17 58 low low ADJ fcis-2485 17 59 cost cost NOUN fcis-2485 17 60 . . PUNCT fcis-2485 18 1 in in ADP fcis-2485 18 2 addition addition NOUN fcis-2485 18 3 , , PUNCT fcis-2485 18 4 most most ADJ fcis-2485 18 5 of of ADP fcis-2485 18 6 today today NOUN fcis-2485 18 7 's 's PART fcis-2485 18 8 research research NOUN fcis-2485 18 9 on on ADP fcis-2485 18 10 rssi rssi ADJ fcis-2485 18 11 localization localization NOUN fcis-2485 18 12 has have AUX fcis-2485 18 13 been be AUX fcis-2485 18 14 improved improve VERB fcis-2485 18 15 on on ADP fcis-2485 18 16 the the DET fcis-2485 18 17 basis basis NOUN fcis-2485 18 18 of of ADP fcis-2485 18 19 the the DET fcis-2485 18 20 original original ADJ fcis-2485 18 21 rssi rssi ADJ fcis-2485 18 22 algorithm algorithm NOUN fcis-2485 18 23 , , PUNCT fcis-2485 18 24 which which PRON fcis-2485 18 25 has have VERB fcis-2485 18 26 more more ADJ fcis-2485 18 27 optimization optimization NOUN fcis-2485 18 28 directions direction NOUN fcis-2485 18 29 from from ADP fcis-2485 18 30 the the DET fcis-2485 18 31 principle principle NOUN fcis-2485 18 32 , , PUNCT fcis-2485 18 33 which which PRON fcis-2485 18 34 are be AUX fcis-2485 18 35 analyzed analyze VERB fcis-2485 18 36 and and CCONJ fcis-2485 18 37 classified classify VERB fcis-2485 18 38 in in ADP fcis-2485 18 39 this this DET fcis-2485 18 40 paper paper NOUN fcis-2485 18 41 to to PART fcis-2485 18 42 provide provide VERB fcis-2485 18 43 some some DET fcis-2485 18 44 entry entry NOUN fcis-2485 18 45 points point NOUN fcis-2485 18 46 and and CCONJ fcis-2485 18 47 help help NOUN fcis-2485 18 48 for for ADP fcis-2485 18 49 others other NOUN fcis-2485 18 50 ' ' PART fcis-2485 18 51 research research NOUN fcis-2485 18 52 . . PUNCT fcis-2485 19 1 2 2 X fcis-2485 19 2 . . X fcis-2485 19 3 rssi rssi NOUN fcis-2485 19 4 - - PUNCT fcis-2485 19 5 based base VERB fcis-2485 19 6 positioning positioning NOUN fcis-2485 19 7 algorithm algorithm NOUN fcis-2485 19 8 rssi rssi NOUN fcis-2485 19 9 - - PUNCT fcis-2485 19 10 based base VERB fcis-2485 19 11 positioning positioning NOUN fcis-2485 19 12 algorithm algorithm NOUN fcis-2485 19 13 could could AUX fcis-2485 19 14 be be AUX fcis-2485 19 15 divided divide VERB fcis-2485 19 16 into into ADP fcis-2485 19 17 four four NUM fcis-2485 19 18 main main ADJ fcis-2485 19 19 steps step NOUN fcis-2485 19 20 : : PUNCT fcis-2485 19 21 receive receive VERB fcis-2485 19 22 the the DET fcis-2485 19 23 signals signal NOUN fcis-2485 19 24 sent send VERB fcis-2485 19 25 by by ADP fcis-2485 19 26 each each DET fcis-2485 19 27 node node NOUN fcis-2485 19 28 . . PUNCT fcis-2485 20 1 calculate calculate VERB fcis-2485 20 2 the the DET fcis-2485 20 3 signal signal ADJ fcis-2485 20 4 attenuation attenuation NOUN fcis-2485 20 5 during during ADP fcis-2485 20 6 propagation propagation NOUN fcis-2485 20 7 based base VERB fcis-2485 20 8 on on ADP fcis-2485 20 9 the the DET fcis-2485 20 10 signal signal ADJ fcis-2485 20 11 strength strength NOUN fcis-2485 20 12 values value NOUN fcis-2485 20 13 of of ADP fcis-2485 20 14 the the DET fcis-2485 20 15 transmitting transmitting NOUN fcis-2485 20 16 and and CCONJ fcis-2485 20 17 receiving receiving NOUN fcis-2485 20 18 nodes node NOUN fcis-2485 20 19 . . PUNCT fcis-2485 21 1 obtain obtain VERB fcis-2485 21 2 the the DET fcis-2485 21 3 distance distance NOUN fcis-2485 21 4 by by ADP fcis-2485 21 5 using use VERB fcis-2485 21 6 the the DET fcis-2485 21 7 model model NOUN fcis-2485 21 8 equation equation NOUN fcis-2485 21 9 . . PUNCT fcis-2485 22 1 calculate calculate VERB fcis-2485 22 2 the the DET fcis-2485 22 3 location location NOUN fcis-2485 22 4 of of ADP fcis-2485 22 5 the the DET fcis-2485 22 6 node node NOUN fcis-2485 22 7 based base VERB fcis-2485 22 8 on on ADP fcis-2485 22 9 the the DET fcis-2485 22 10 distance distance NOUN fcis-2485 22 11 using use VERB fcis-2485 22 12 the the DET fcis-2485 22 13 positioning positioning NOUN fcis-2485 22 14 algorithm algorithm NOUN fcis-2485 22 15 . . PUNCT fcis-2485 23 1 it it PRON fcis-2485 23 2 can can AUX fcis-2485 23 3 be be AUX fcis-2485 23 4 concluded conclude VERB fcis-2485 23 5 that that SCONJ fcis-2485 23 6 the the DET fcis-2485 23 7 rssi rssi ADJ fcis-2485 23 8 algorithm algorithm NOUN fcis-2485 23 9 is be AUX fcis-2485 23 10 only only ADV fcis-2485 23 11 used use VERB fcis-2485 23 12 for for ADP fcis-2485 23 13 accurate accurate ADJ fcis-2485 23 14 distance distance NOUN fcis-2485 23 15 measurement measurement NOUN fcis-2485 23 16 in in ADP fcis-2485 23 17 the the DET fcis-2485 23 18 complete complete ADJ fcis-2485 23 19 positioning positioning NOUN fcis-2485 23 20 process process NOUN fcis-2485 23 21 , , PUNCT fcis-2485 23 22 and and CCONJ fcis-2485 23 23 it it PRON fcis-2485 23 24 is be AUX fcis-2485 23 25 combined combine VERB fcis-2485 23 26 with with ADP fcis-2485 23 27 other other ADJ fcis-2485 23 28 positioning positioning NOUN fcis-2485 23 29 algorithms algorithm NOUN fcis-2485 23 30 to to PART fcis-2485 23 31 derive derive VERB fcis-2485 23 32 the the DET fcis-2485 23 33 exact exact ADJ fcis-2485 23 34 position position NOUN fcis-2485 23 35 of of ADP fcis-2485 23 36 the the DET fcis-2485 23 37 node node NOUN fcis-2485 23 38 . . PUNCT fcis-2485 24 1 2.1 2.1 NUM fcis-2485 24 2 . . PUNCT fcis-2485 24 3 signal signal NOUN fcis-2485 24 4 attenuation attenuation NOUN fcis-2485 24 5 model model NOUN fcis-2485 24 6 the the DET fcis-2485 24 7 rssi rssi ADJ fcis-2485 24 8 algorithm algorithm NOUN fcis-2485 24 9 is be AUX fcis-2485 24 10 an an DET fcis-2485 24 11 algorithm algorithm NOUN fcis-2485 24 12 for for ADP fcis-2485 24 13 distance distance NOUN fcis-2485 24 14 measuring measure VERB fcis-2485 24 15 using use VERB fcis-2485 24 16 the the DET fcis-2485 24 17 degree degree NOUN fcis-2485 24 18 of of ADP fcis-2485 24 19 signal signal ADJ fcis-2485 24 20 attenuation attenuation NOUN fcis-2485 24 21 , , PUNCT fcis-2485 24 22 which which PRON fcis-2485 24 23 requires require VERB fcis-2485 24 24 the the DET fcis-2485 24 25 use use NOUN fcis-2485 24 26 of of ADP fcis-2485 24 27 a a DET fcis-2485 24 28 signal signal ADJ fcis-2485 24 29 attenuation attenuation NOUN fcis-2485 24 30 model model NOUN fcis-2485 24 31 equation equation NOUN fcis-2485 24 32 to to PART fcis-2485 24 33 calculate calculate VERB fcis-2485 24 34 the the DET fcis-2485 24 35 distance distance NOUN fcis-2485 24 36 . . PUNCT fcis-2485 25 1 for for ADP fcis-2485 25 2 empirical empirical ADJ fcis-2485 25 3 models model NOUN fcis-2485 25 4 , , PUNCT fcis-2485 25 5 the the DET fcis-2485 25 6 more more ADV fcis-2485 25 7 realistic realistic ADJ fcis-2485 25 8 shadowing shadowing NOUN fcis-2485 25 9 model model NOUN fcis-2485 25 10 is be AUX fcis-2485 25 11 generally generally ADV fcis-2485 25 12 used use VERB fcis-2485 25 13 , , PUNCT fcis-2485 25 14 and and CCONJ fcis-2485 25 15 its its PRON fcis-2485 25 16 expression expression NOUN fcis-2485 25 17 is be AUX fcis-2485 25 18 expressed express VERB fcis-2485 25 19 as as ADP fcis-2485 25 20 follow follow NOUN fcis-2485 25 21 : : PUNCT fcis-2485 25 22 pr(d pr(d NOUN fcis-2485 25 23 ) ) PUNCT fcis-2485 25 24 = = SYM fcis-2485 25 25 pr(d0 pr(d0 NOUN fcis-2485 25 26 ) ) PUNCT fcis-2485 25 27 – – PUNCT fcis-2485 26 1 10nlg 10nlg NOUN fcis-2485 26 2 ( ( PUNCT fcis-2485 26 3 𝑑 𝑑 NOUN fcis-2485 26 4 𝑑0 𝑑0 NOUN fcis-2485 26 5 ) ) PUNCT fcis-2485 27 1 + + CCONJ fcis-2485 27 2 e e X fcis-2485 27 3 ( ( PUNCT fcis-2485 27 4 1 1 NUM fcis-2485 27 5 ) ) PUNCT fcis-2485 27 6 where where SCONJ fcis-2485 27 7 d d NOUN fcis-2485 27 8 is be AUX fcis-2485 27 9 the the DET fcis-2485 27 10 distance distance NOUN fcis-2485 27 11 between between ADP fcis-2485 27 12 the the DET fcis-2485 27 13 transmitting transmit VERB fcis-2485 27 14 node node NOUN fcis-2485 27 15 and and CCONJ fcis-2485 27 16 the the DET fcis-2485 27 17 receiving receive VERB fcis-2485 27 18 node node NOUN fcis-2485 27 19 , , PUNCT fcis-2485 27 20 pr pr X fcis-2485 27 21 is be AUX fcis-2485 27 22 the the DET fcis-2485 27 23 signal signal ADJ fcis-2485 27 24 power power NOUN fcis-2485 27 25 received receive VERB fcis-2485 27 26 by by ADP fcis-2485 27 27 the the DET fcis-2485 27 28 receiving receive VERB fcis-2485 27 29 node node NOUN fcis-2485 27 30 , , PUNCT fcis-2485 27 31 d0 d0 PROPN fcis-2485 27 32 is be AUX fcis-2485 27 33 the the DET fcis-2485 27 34 reference reference NOUN fcis-2485 27 35 distance distance NOUN fcis-2485 27 36 ( ( PUNCT fcis-2485 27 37 generally generally ADV fcis-2485 27 38 taken take VERB fcis-2485 27 39 as as ADP fcis-2485 27 40 1 1 NUM fcis-2485 27 41 2 2 NUM fcis-2485 27 42 m m NOUN fcis-2485 27 43 ) ) PUNCT fcis-2485 27 44 , , PUNCT fcis-2485 27 45 n n PRON fcis-2485 27 46 is be AUX fcis-2485 27 47 the the DET fcis-2485 27 48 signal signal ADJ fcis-2485 27 49 loss loss NOUN fcis-2485 27 50 factor factor NOUN fcis-2485 27 51 ( ( PUNCT fcis-2485 27 52 generally generally ADV fcis-2485 27 53 taken take VERB fcis-2485 27 54 as as ADP fcis-2485 27 55 2 2 NUM fcis-2485 27 56 4 4 NUM fcis-2485 27 57 ) ) PUNCT fcis-2485 27 58 , , PUNCT fcis-2485 27 59 e e X fcis-2485 27 60 is be AUX fcis-2485 27 61 a a DET fcis-2485 27 62 zero zero NUM fcis-2485 27 63 - - PUNCT fcis-2485 27 64 mean mean ADJ fcis-2485 27 65 gaussian gaussian ADJ fcis-2485 27 66 random random ADJ fcis-2485 27 67 variable variable NOUN fcis-2485 27 68 representing represent VERB fcis-2485 27 69 the the DET fcis-2485 27 70 interference interference NOUN fcis-2485 27 71 such such ADJ fcis-2485 27 72 as as ADP fcis-2485 27 73 reflection reflection NOUN fcis-2485 27 74 and and CCONJ fcis-2485 27 75 interference interference NOUN fcis-2485 27 76 received receive VERB fcis-2485 27 77 by by ADP fcis-2485 27 78 the the DET fcis-2485 27 79 signal signal NOUN fcis-2485 27 80 during during ADP fcis-2485 27 81 the the DET fcis-2485 27 82 propagation propagation NOUN fcis-2485 27 83 process process NOUN fcis-2485 27 84 . . PUNCT fcis-2485 28 1 11 11 NUM fcis-2485 28 2 2.2 2.2 NUM fcis-2485 28 3 . . PUNCT fcis-2485 29 1 localization localization NOUN fcis-2485 29 2 algorithm algorithm NOUN fcis-2485 29 3 localization localization NOUN fcis-2485 29 4 using use VERB fcis-2485 29 5 rssi rssi NOUN fcis-2485 29 6 requires require VERB fcis-2485 29 7 a a DET fcis-2485 29 8 combination combination NOUN fcis-2485 29 9 of of ADP fcis-2485 29 10 corresponding correspond VERB fcis-2485 29 11 localization localization NOUN fcis-2485 29 12 algorithms algorithm NOUN fcis-2485 29 13 . . PUNCT fcis-2485 30 1 common common ADJ fcis-2485 30 2 localization localization NOUN fcis-2485 30 3 algorithms algorithm NOUN fcis-2485 30 4 include include VERB fcis-2485 30 5 trilateral trilateral ADJ fcis-2485 30 6 localization localization NOUN fcis-2485 30 7 algorithm algorithm NOUN fcis-2485 30 8 , , PUNCT fcis-2485 30 9 weighted weight VERB fcis-2485 30 10 center center NOUN fcis-2485 30 11 - - PUNCT fcis-2485 30 12 of of ADP fcis-2485 30 13 - - PUNCT fcis-2485 30 14 mass mass NOUN fcis-2485 30 15 algorithm algorithm NOUN fcis-2485 30 16 , , PUNCT fcis-2485 30 17 etc etc X fcis-2485 30 18 . . X fcis-2485 30 19 2.2.1 2.2.1 NUM fcis-2485 30 20 . . PUNCT fcis-2485 30 21 trilateral trilateral ADJ fcis-2485 30 22 localization localization NOUN fcis-2485 30 23 algorithm algorithm NOUN fcis-2485 30 24 assuming assume VERB fcis-2485 30 25 that that SCONJ fcis-2485 30 26 the the DET fcis-2485 30 27 coordinates coordinate NOUN fcis-2485 30 28 of of ADP fcis-2485 30 29 the the DET fcis-2485 30 30 three three NUM fcis-2485 30 31 known know VERB fcis-2485 30 32 nodes node NOUN fcis-2485 30 33 a a DET fcis-2485 30 34 , , PUNCT fcis-2485 30 35 b b NOUN fcis-2485 30 36 , , PUNCT fcis-2485 30 37 and and CCONJ fcis-2485 30 38 c c NOUN fcis-2485 30 39 are be AUX fcis-2485 30 40 ( ( PUNCT fcis-2485 30 41 x1 x1 PROPN fcis-2485 30 42 , , PUNCT fcis-2485 30 43 y1 y1 PROPN fcis-2485 30 44 ) ) PUNCT fcis-2485 30 45 , , PUNCT fcis-2485 30 46 ( ( PUNCT fcis-2485 30 47 x2 x2 PROPN fcis-2485 30 48 , , PUNCT fcis-2485 30 49 y2 y2 PROPN fcis-2485 30 50 ) ) PUNCT fcis-2485 30 51 and and CCONJ fcis-2485 30 52 ( ( PUNCT fcis-2485 30 53 x3 x3 ADJ fcis-2485 30 54 , , PUNCT fcis-2485 30 55 y3 y3 NOUN fcis-2485 30 56 ) ) PUNCT fcis-2485 30 57 , , PUNCT fcis-2485 30 58 and and CCONJ fcis-2485 30 59 the the DET fcis-2485 30 60 coordinate coordinate NOUN fcis-2485 30 61 of of ADP fcis-2485 30 62 the the DET fcis-2485 30 63 unknown unknown ADJ fcis-2485 30 64 node node NOUN fcis-2485 30 65 p p NOUN fcis-2485 30 66 is be AUX fcis-2485 30 67 ( ( PUNCT fcis-2485 30 68 x x NOUN fcis-2485 30 69 , , PUNCT fcis-2485 30 70 y y PROPN fcis-2485 30 71 ) ) PUNCT fcis-2485 30 72 , , PUNCT fcis-2485 30 73 the the DET fcis-2485 30 74 distances distance NOUN fcis-2485 30 75 from from ADP fcis-2485 30 76 p p NOUN fcis-2485 30 77 to to ADP fcis-2485 30 78 the the DET fcis-2485 30 79 three three NUM fcis-2485 30 80 known know VERB fcis-2485 30 81 nodes node NOUN fcis-2485 30 82 are be AUX fcis-2485 30 83 d1 d1 NOUN fcis-2485 30 84 , , PUNCT fcis-2485 30 85 d2 d2 PROPN fcis-2485 30 86 , , PUNCT fcis-2485 30 87 d3 d3 PROPN fcis-2485 30 88 , , PUNCT fcis-2485 30 89 a a DET fcis-2485 30 90 system system NOUN fcis-2485 30 91 of of ADP fcis-2485 30 92 equations equation NOUN fcis-2485 30 93 can can AUX fcis-2485 30 94 be be AUX fcis-2485 30 95 established establish VERB fcis-2485 30 96 as as SCONJ fcis-2485 30 97 follows follow VERB fcis-2485 30 98 : : PUNCT fcis-2485 30 99 { { PUNCT fcis-2485 31 1 𝑑1 𝑑1 NOUN fcis-2485 31 2 = = PUNCT fcis-2485 31 3 √(π‘₯1 √(π‘₯1 PROPN fcis-2485 31 4 βˆ’ βˆ’ PROPN fcis-2485 31 5 π‘₯ π‘₯ NOUN fcis-2485 31 6 ) ) PUNCT fcis-2485 31 7 2 2 NUM fcis-2485 32 1 + + CCONJ fcis-2485 32 2 ( ( PUNCT fcis-2485 32 3 𝑦1 𝑦1 PROPN fcis-2485 32 4 βˆ’ βˆ’ PROPN fcis-2485 32 5 𝑦 𝑦 NOUN fcis-2485 32 6 ) ) PUNCT fcis-2485 32 7 2 2 NUM fcis-2485 32 8 𝑑2 𝑑2 NOUN fcis-2485 32 9 = = SYM fcis-2485 32 10 √(π‘₯2 √(π‘₯2 PROPN fcis-2485 32 11 βˆ’ βˆ’ ADP fcis-2485 32 12 π‘₯ π‘₯ NOUN fcis-2485 32 13 ) ) PUNCT fcis-2485 32 14 2 2 NUM fcis-2485 32 15 + + CCONJ fcis-2485 32 16 ( ( PUNCT fcis-2485 32 17 𝑦2 𝑦2 PROPN fcis-2485 32 18 βˆ’ βˆ’ PROPN fcis-2485 32 19 𝑦 𝑦 SYM fcis-2485 32 20 ) ) PUNCT fcis-2485 32 21 2 2 NUM fcis-2485 32 22 𝑑3 𝑑3 NOUN fcis-2485 32 23 = = SYM fcis-2485 32 24 √(π‘₯3 √(π‘₯3 PROPN fcis-2485 32 25 βˆ’ βˆ’ ADP fcis-2485 32 26 π‘₯ π‘₯ NOUN fcis-2485 32 27 ) ) PUNCT fcis-2485 32 28 2 2 NUM fcis-2485 32 29 + + CCONJ fcis-2485 32 30 ( ( PUNCT fcis-2485 32 31 𝑦3 𝑦3 PROPN fcis-2485 32 32 βˆ’ βˆ’ PROPN fcis-2485 32 33 𝑦 𝑦 NOUN fcis-2485 32 34 ) ) PUNCT fcis-2485 32 35 2 2 NUM fcis-2485 32 36 ( ( PUNCT fcis-2485 32 37 2 2 X fcis-2485 32 38 ) ) PUNCT fcis-2485 32 39 solving solve VERB fcis-2485 32 40 this this DET fcis-2485 32 41 system system NOUN fcis-2485 32 42 of of ADP fcis-2485 32 43 equations equation NOUN fcis-2485 32 44 yields yield VERB fcis-2485 32 45 the the DET fcis-2485 32 46 coordinates coordinate NOUN fcis-2485 32 47 of of ADP fcis-2485 32 48 point point NOUN fcis-2485 32 49 p. p. NOUN fcis-2485 32 50 2.2.2 2.2.2 NUM fcis-2485 32 51 . . PUNCT fcis-2485 33 1 weighted weight VERB fcis-2485 33 2 center center NOUN fcis-2485 33 3 - - PUNCT fcis-2485 33 4 of of ADP fcis-2485 33 5 - - PUNCT fcis-2485 33 6 mass mass NOUN fcis-2485 33 7 algorithm algorithm NOUN fcis-2485 33 8 in in ADP fcis-2485 33 9 the the DET fcis-2485 33 10 same same ADJ fcis-2485 33 11 assuming assume VERB fcis-2485 33 12 scenario scenario NOUN fcis-2485 33 13 as as ADP fcis-2485 33 14 above above ADV fcis-2485 33 15 , , PUNCT fcis-2485 33 16 according accord VERB fcis-2485 33 17 to to ADP fcis-2485 33 18 the the DET fcis-2485 33 19 general general ADJ fcis-2485 33 20 center center NOUN fcis-2485 33 21 - - PUNCT fcis-2485 33 22 of of ADP fcis-2485 33 23 - - PUNCT fcis-2485 33 24 mass mass NOUN fcis-2485 33 25 algorithm algorithm NOUN fcis-2485 33 26 , , PUNCT fcis-2485 33 27 introduce introduce VERB fcis-2485 33 28 a a DET fcis-2485 33 29 weighting weighting NOUN fcis-2485 33 30 factor factor NOUN fcis-2485 33 31 k k PROPN fcis-2485 33 32 , , PUNCT fcis-2485 33 33 a a DET fcis-2485 33 34 system system NOUN fcis-2485 33 35 of of ADP fcis-2485 33 36 equations equation NOUN fcis-2485 33 37 can can AUX fcis-2485 33 38 be be AUX fcis-2485 33 39 created create VERB fcis-2485 33 40 as as SCONJ fcis-2485 33 41 follows follow VERB fcis-2485 33 42 : : PUNCT fcis-2485 33 43 { { PUNCT fcis-2485 33 44 π‘₯ π‘₯ PROPN fcis-2485 33 45 = = SYM fcis-2485 33 46 π‘₯1 π‘₯1 PROPN fcis-2485 33 47 ( ( PUNCT fcis-2485 33 48 𝑑1 𝑑1 NOUN fcis-2485 33 49 + + CCONJ fcis-2485 33 50 𝑑2 𝑑2 NOUN fcis-2485 33 51 ) ) PUNCT fcis-2485 33 52 π‘˜ π‘˜ PRON fcis-2485 34 1 + + CCONJ fcis-2485 34 2 π‘₯2 π‘₯2 NOUN fcis-2485 34 3 ( ( PUNCT fcis-2485 34 4 𝑑2 𝑑2 NOUN fcis-2485 34 5 + + CCONJ fcis-2485 34 6 𝑑3 𝑑3 NOUN fcis-2485 34 7 ) ) PUNCT fcis-2485 34 8 π‘˜+ π‘˜+ NOUN fcis-2485 34 9 π‘₯3 π‘₯3 NOUN fcis-2485 34 10 ( ( PUNCT fcis-2485 34 11 𝑑1 𝑑1 NOUN fcis-2485 34 12 + + CCONJ fcis-2485 34 13 𝑑3 𝑑3 NOUN fcis-2485 34 14 ) ) PUNCT fcis-2485 34 15 π‘˜ π‘˜ ADP fcis-2485 34 16 1 1 NUM fcis-2485 34 17 ( ( PUNCT fcis-2485 34 18 𝑑1 𝑑1 NOUN fcis-2485 34 19 + + CCONJ fcis-2485 34 20 𝑑2 𝑑2 NOUN fcis-2485 34 21 ) ) PUNCT fcis-2485 34 22 π‘˜ π‘˜ X fcis-2485 35 1 + + ADJ fcis-2485 35 2 1 1 NUM fcis-2485 35 3 ( ( PUNCT fcis-2485 35 4 𝑑2 𝑑2 NOUN fcis-2485 35 5 + + CCONJ fcis-2485 35 6 𝑑3 𝑑3 NOUN fcis-2485 35 7 ) ) PUNCT fcis-2485 35 8 π‘˜+ π‘˜+ NOUN fcis-2485 35 9 1 1 NUM fcis-2485 35 10 ( ( PUNCT fcis-2485 35 11 𝑑1 𝑑1 NOUN fcis-2485 35 12 + + CCONJ fcis-2485 35 13 𝑑3 𝑑3 NOUN fcis-2485 35 14 ) ) PUNCT fcis-2485 35 15 π‘˜ π‘˜ PRON fcis-2485 35 16 𝑦 𝑦 NOUN fcis-2485 35 17 = = X fcis-2485 35 18 𝑦1 𝑦1 PROPN fcis-2485 35 19 ( ( PUNCT fcis-2485 35 20 𝑑1 𝑑1 NOUN fcis-2485 35 21 + + CCONJ fcis-2485 35 22 𝑑2 𝑑2 NOUN fcis-2485 35 23 ) ) PUNCT fcis-2485 35 24 π‘˜ π‘˜ PROPN fcis-2485 36 1 + + X fcis-2485 36 2 𝑦2 𝑦2 NOUN fcis-2485 36 3 ( ( PUNCT fcis-2485 36 4 𝑑2 𝑑2 NOUN fcis-2485 36 5 + + CCONJ fcis-2485 36 6 𝑑3 𝑑3 NOUN fcis-2485 36 7 ) ) PUNCT fcis-2485 36 8 π‘˜+ π‘˜+ NOUN fcis-2485 36 9 𝑦3 𝑦3 PROPN fcis-2485 36 10 ( ( PUNCT fcis-2485 36 11 𝑑1 𝑑1 NOUN fcis-2485 36 12 + + CCONJ fcis-2485 36 13 𝑑3 𝑑3 NOUN fcis-2485 36 14 ) ) PUNCT fcis-2485 36 15 π‘˜ π‘˜ ADP fcis-2485 36 16 1 1 NUM fcis-2485 36 17 ( ( PUNCT fcis-2485 36 18 𝑑1 𝑑1 NOUN fcis-2485 36 19 + + CCONJ fcis-2485 36 20 𝑑2 𝑑2 NOUN fcis-2485 36 21 ) ) PUNCT fcis-2485 36 22 π‘˜ π‘˜ X fcis-2485 36 23 + + ADJ fcis-2485 36 24 1 1 NUM fcis-2485 36 25 ( ( PUNCT fcis-2485 36 26 𝑑2 𝑑2 NOUN fcis-2485 36 27 + + CCONJ fcis-2485 36 28 𝑑3 𝑑3 NOUN fcis-2485 36 29 ) ) PUNCT fcis-2485 36 30 π‘˜+ π‘˜+ NOUN fcis-2485 36 31 1 1 NUM fcis-2485 36 32 ( ( PUNCT fcis-2485 36 33 𝑑1 𝑑1 NOUN fcis-2485 36 34 + + CCONJ fcis-2485 36 35 𝑑3 𝑑3 NOUN fcis-2485 36 36 ) ) PUNCT fcis-2485 36 37 π‘˜ π‘˜ X fcis-2485 36 38 ( ( PUNCT fcis-2485 36 39 3 3 NUM fcis-2485 36 40 ) ) PUNCT fcis-2485 36 41 3 3 NUM fcis-2485 36 42 . . X fcis-2485 36 43 improvement improvement NOUN fcis-2485 36 44 of of ADP fcis-2485 36 45 algorithm algorithm NOUN fcis-2485 36 46 accuracy accuracy NOUN fcis-2485 36 47 3.1 3.1 NUM fcis-2485 36 48 . . PUNCT fcis-2485 37 1 causes cause NOUN fcis-2485 37 2 of of ADP fcis-2485 37 3 errors error NOUN fcis-2485 37 4 based base VERB fcis-2485 37 5 on on ADP fcis-2485 37 6 the the DET fcis-2485 37 7 analysis analysis NOUN fcis-2485 37 8 of of ADP fcis-2485 37 9 the the DET fcis-2485 37 10 steps step NOUN fcis-2485 37 11 and and CCONJ fcis-2485 37 12 principles principle NOUN fcis-2485 37 13 of of ADP fcis-2485 37 14 the the DET fcis-2485 37 15 rssi rssi NOUN fcis-2485 37 16 - - PUNCT fcis-2485 37 17 based base VERB fcis-2485 37 18 localization localization NOUN fcis-2485 37 19 algorithm algorithm NOUN fcis-2485 37 20 in in ADP fcis-2485 37 21 section section NOUN fcis-2485 37 22 2 2 NUM fcis-2485 37 23 , , PUNCT fcis-2485 37 24 the the DET fcis-2485 37 25 causes cause NOUN fcis-2485 37 26 of of ADP fcis-2485 37 27 various various ADJ fcis-2485 37 28 aspects aspect NOUN fcis-2485 37 29 that that PRON fcis-2485 37 30 lead lead VERB fcis-2485 37 31 to to ADP fcis-2485 37 32 localization localization NOUN fcis-2485 37 33 errors error NOUN fcis-2485 37 34 could could AUX fcis-2485 37 35 be be AUX fcis-2485 37 36 derived derive VERB fcis-2485 37 37 . . PUNCT fcis-2485 38 1 in in ADP fcis-2485 38 2 steps step NOUN fcis-2485 38 3 a a PRON fcis-2485 38 4 and and CCONJ fcis-2485 38 5 b b NOUN fcis-2485 38 6 , , PUNCT fcis-2485 38 7 signals signal NOUN fcis-2485 38 8 are be AUX fcis-2485 38 9 sent send VERB fcis-2485 38 10 and and CCONJ fcis-2485 38 11 received receive VERB fcis-2485 38 12 through through ADP fcis-2485 38 13 wireless wireless ADJ fcis-2485 38 14 sensors sensor NOUN fcis-2485 38 15 , , PUNCT fcis-2485 38 16 and and CCONJ fcis-2485 38 17 propagation propagation NOUN fcis-2485 38 18 losses loss NOUN fcis-2485 38 19 are be AUX fcis-2485 38 20 inevitably inevitably ADV fcis-2485 38 21 generated generate VERB fcis-2485 38 22 during during ADP fcis-2485 38 23 the the DET fcis-2485 38 24 propagation propagation NOUN fcis-2485 38 25 of of ADP fcis-2485 38 26 electromagnetic electromagnetic ADJ fcis-2485 38 27 wave wave NOUN fcis-2485 38 28 energy energy NOUN fcis-2485 38 29 . . PUNCT fcis-2485 39 1 in in ADP fcis-2485 39 2 addition addition NOUN fcis-2485 39 3 , , PUNCT fcis-2485 39 4 this this DET fcis-2485 39 5 process process NOUN fcis-2485 39 6 is be AUX fcis-2485 39 7 subject subject ADJ fcis-2485 39 8 to to ADP fcis-2485 39 9 interference interference NOUN fcis-2485 39 10 caused cause VERB fcis-2485 39 11 by by ADP fcis-2485 39 12 environmental environmental ADJ fcis-2485 39 13 factors factor NOUN fcis-2485 39 14 such such ADJ fcis-2485 39 15 as as ADP fcis-2485 39 16 temperature temperature NOUN fcis-2485 39 17 and and CCONJ fcis-2485 39 18 obstacles obstacle NOUN fcis-2485 39 19 , , PUNCT fcis-2485 39 20 resulting result VERB fcis-2485 39 21 in in ADP fcis-2485 39 22 noise noise NOUN fcis-2485 39 23 and and CCONJ fcis-2485 39 24 other other ADJ fcis-2485 39 25 errors error NOUN fcis-2485 39 26 in in ADP fcis-2485 39 27 the the DET fcis-2485 39 28 data datum NOUN fcis-2485 39 29 . . PUNCT fcis-2485 40 1 in in ADP fcis-2485 40 2 step step NOUN fcis-2485 40 3 c c NOUN fcis-2485 40 4 , , PUNCT fcis-2485 40 5 a a DET fcis-2485 40 6 model model NOUN fcis-2485 40 7 equation equation NOUN fcis-2485 40 8 is be AUX fcis-2485 40 9 fitted fit VERB fcis-2485 40 10 to to PART fcis-2485 40 11 obtain obtain VERB fcis-2485 40 12 the the DET fcis-2485 40 13 distance distance NOUN fcis-2485 40 14 , , PUNCT fcis-2485 40 15 and and CCONJ fcis-2485 40 16 the the DET fcis-2485 40 17 accuracy accuracy NOUN fcis-2485 40 18 of of ADP fcis-2485 40 19 the the DET fcis-2485 40 20 fit fit NOUN fcis-2485 40 21 of of ADP fcis-2485 40 22 the the DET fcis-2485 40 23 model model NOUN fcis-2485 40 24 equation equation NOUN fcis-2485 40 25 determines determine VERB fcis-2485 40 26 the the DET fcis-2485 40 27 accuracy accuracy NOUN fcis-2485 40 28 of of ADP fcis-2485 40 29 the the DET fcis-2485 40 30 final final ADJ fcis-2485 40 31 positioning positioning NOUN fcis-2485 40 32 . . PUNCT fcis-2485 41 1 in in ADP fcis-2485 41 2 step step NOUN fcis-2485 41 3 d d NOUN fcis-2485 41 4 , , PUNCT fcis-2485 41 5 it it PRON fcis-2485 41 6 is be AUX fcis-2485 41 7 necessary necessary ADJ fcis-2485 41 8 to to PART fcis-2485 41 9 use use VERB fcis-2485 41 10 the the DET fcis-2485 41 11 positioning positioning NOUN fcis-2485 41 12 algorithm algorithm NOUN fcis-2485 41 13 that that PRON fcis-2485 41 14 uses use VERB fcis-2485 41 15 distance distance NOUN fcis-2485 41 16 for for ADP fcis-2485 41 17 calculation calculation NOUN fcis-2485 41 18 , , PUNCT fcis-2485 41 19 and and CCONJ fcis-2485 41 20 then then ADV fcis-2485 41 21 the the DET fcis-2485 41 22 accuracy accuracy NOUN fcis-2485 41 23 of of ADP fcis-2485 41 24 the the DET fcis-2485 41 25 positioning positioning NOUN fcis-2485 41 26 algorithm algorithm NOUN fcis-2485 41 27 directly directly ADV fcis-2485 41 28 affects affect VERB fcis-2485 41 29 the the DET fcis-2485 41 30 accuracy accuracy NOUN fcis-2485 41 31 of of ADP fcis-2485 41 32 the the DET fcis-2485 41 33 calculation calculation NOUN fcis-2485 41 34 results result NOUN fcis-2485 41 35 . . PUNCT fcis-2485 42 1 3.2 3.2 NUM fcis-2485 42 2 . . PUNCT fcis-2485 42 3 filtering filter VERB fcis-2485 42 4 filtering filtering NOUN fcis-2485 42 5 is be AUX fcis-2485 42 6 generally generally ADV fcis-2485 42 7 an an DET fcis-2485 42 8 optimization optimization NOUN fcis-2485 42 9 process process NOUN fcis-2485 42 10 that that PRON fcis-2485 42 11 reduce reduce VERB fcis-2485 42 12 the the DET fcis-2485 42 13 noise noise NOUN fcis-2485 42 14 and and CCONJ fcis-2485 42 15 fluctuation fluctuation NOUN fcis-2485 42 16 of of ADP fcis-2485 42 17 the the DET fcis-2485 42 18 initial initial ADJ fcis-2485 42 19 signal signal NOUN fcis-2485 42 20 in in ADP fcis-2485 42 21 the the DET fcis-2485 42 22 whole whole ADJ fcis-2485 42 23 positioning positioning NOUN fcis-2485 42 24 process process NOUN fcis-2485 42 25 , , PUNCT fcis-2485 42 26 so so SCONJ fcis-2485 42 27 that that SCONJ fcis-2485 42 28 the the DET fcis-2485 42 29 obtained obtain VERB fcis-2485 42 30 signal signal NOUN fcis-2485 42 31 and and CCONJ fcis-2485 42 32 the the DET fcis-2485 42 33 calculated calculate VERB fcis-2485 42 34 attenuation attenuation NOUN fcis-2485 42 35 are be AUX fcis-2485 42 36 more more ADV fcis-2485 42 37 reliable reliable ADJ fcis-2485 42 38 and and CCONJ fcis-2485 42 39 accurate accurate ADJ fcis-2485 42 40 . . PUNCT fcis-2485 43 1 commonly commonly ADV fcis-2485 43 2 used use VERB fcis-2485 43 3 filtering filtering NOUN fcis-2485 43 4 algorithms algorithm NOUN fcis-2485 43 5 include include VERB fcis-2485 43 6 mean mean ADJ fcis-2485 43 7 filtering filter VERB fcis-2485 43 8 , , PUNCT fcis-2485 43 9 gaussian gaussian ADJ fcis-2485 43 10 filtering filtering NOUN fcis-2485 43 11 and and CCONJ fcis-2485 43 12 kalman kalman PROPN fcis-2485 43 13 filtering filtering PROPN fcis-2485 43 14 , , PUNCT fcis-2485 43 15 etc etc X fcis-2485 43 16 . . X fcis-2485 44 1 mean mean VERB fcis-2485 44 2 filtering filtering NOUN fcis-2485 44 3 is be AUX fcis-2485 44 4 simpler simple ADJ fcis-2485 44 5 to to PART fcis-2485 44 6 calculate calculate VERB fcis-2485 45 1 but but CCONJ fcis-2485 45 2 the the DET fcis-2485 45 3 filtering filter VERB fcis-2485 45 4 effect effect NOUN fcis-2485 45 5 is be AUX fcis-2485 45 6 not not PART fcis-2485 45 7 ideal ideal ADJ fcis-2485 45 8 ; ; PUNCT fcis-2485 45 9 gaussian gaussian ADJ fcis-2485 45 10 filtering filtering NOUN fcis-2485 45 11 algorithm algorithm NOUN fcis-2485 45 12 is be AUX fcis-2485 45 13 more more ADV fcis-2485 45 14 complicated complicated ADJ fcis-2485 45 15 , , PUNCT fcis-2485 45 16 but but CCONJ fcis-2485 45 17 the the DET fcis-2485 45 18 effect effect NOUN fcis-2485 45 19 is be AUX fcis-2485 45 20 obvious obvious ADJ fcis-2485 45 21 ; ; PUNCT fcis-2485 45 22 kalman kalman NOUN fcis-2485 45 23 filtering filtering NOUN fcis-2485 45 24 is be AUX fcis-2485 45 25 more more ADV fcis-2485 45 26 suitable suitable ADJ fcis-2485 45 27 for for ADP fcis-2485 45 28 the the DET fcis-2485 45 29 optimization optimization NOUN fcis-2485 45 30 of of ADP fcis-2485 45 31 motion motion NOUN fcis-2485 45 32 nodes node NOUN fcis-2485 45 33 . . PUNCT fcis-2485 46 1 in in ADP fcis-2485 46 2 recent recent ADJ fcis-2485 46 3 studies study NOUN fcis-2485 46 4 , , PUNCT fcis-2485 46 5 some some DET fcis-2485 46 6 new new ADJ fcis-2485 46 7 filtering filter VERB fcis-2485 46 8 algorithms algorithm NOUN fcis-2485 46 9 have have AUX fcis-2485 46 10 also also ADV fcis-2485 46 11 been be AUX fcis-2485 46 12 used use VERB fcis-2485 46 13 in in ADP fcis-2485 46 14 optimization optimization NOUN fcis-2485 46 15 , , PUNCT fcis-2485 46 16 such such ADJ fcis-2485 46 17 as as ADP fcis-2485 46 18 particle particle NOUN fcis-2485 46 19 filtering filtering NOUN fcis-2485 46 20 , , PUNCT fcis-2485 46 21 set set NOUN fcis-2485 46 22 - - PUNCT fcis-2485 46 23 membership membership NOUN fcis-2485 46 24 filtering filtering NOUN fcis-2485 46 25 , , PUNCT fcis-2485 46 26 etc etc X fcis-2485 46 27 . . X fcis-2485 47 1 the the DET fcis-2485 47 2 positioning positioning NOUN fcis-2485 47 3 process process NOUN fcis-2485 47 4 can can AUX fcis-2485 47 5 be be AUX fcis-2485 47 6 optimized optimize VERB fcis-2485 47 7 by by ADP fcis-2485 47 8 using use VERB fcis-2485 47 9 various various ADJ fcis-2485 47 10 filtering filter VERB fcis-2485 47 11 methods method NOUN fcis-2485 47 12 . . PUNCT fcis-2485 48 1 lu lu PROPN fcis-2485 48 2 et et PROPN fcis-2485 48 3 al al PROPN fcis-2485 48 4 introduced introduce VERB fcis-2485 48 5 the the DET fcis-2485 48 6 rof rof PROPN fcis-2485 48 7 model model NOUN fcis-2485 48 8 to to PART fcis-2485 48 9 optimize optimize VERB fcis-2485 48 10 and and CCONJ fcis-2485 48 11 improve improve VERB fcis-2485 48 12 the the DET fcis-2485 48 13 gaussian gaussian ADJ fcis-2485 48 14 filter filter NOUN fcis-2485 48 15 , , PUNCT fcis-2485 48 16 which which PRON fcis-2485 48 17 solved solve VERB fcis-2485 48 18 the the DET fcis-2485 48 19 problem problem NOUN fcis-2485 48 20 that that SCONJ fcis-2485 48 21 the the DET fcis-2485 48 22 general general ADJ fcis-2485 48 23 gaussian gaussian ADJ fcis-2485 48 24 filter filter NOUN fcis-2485 48 25 could could AUX fcis-2485 48 26 not not PART fcis-2485 48 27 deal deal VERB fcis-2485 48 28 with with ADP fcis-2485 48 29 the the DET fcis-2485 48 30 numerical numerical ADJ fcis-2485 48 31 error error NOUN fcis-2485 48 32 caused cause VERB fcis-2485 48 33 by by ADP fcis-2485 48 34 the the DET fcis-2485 48 35 fluctuation fluctuation NOUN fcis-2485 48 36 area area NOUN fcis-2485 48 37 of of ADP fcis-2485 48 38 high high ADJ fcis-2485 48 39 probability probability NOUN fcis-2485 48 40 data datum NOUN fcis-2485 48 41 , , PUNCT fcis-2485 48 42 and and CCONJ fcis-2485 48 43 made make VERB fcis-2485 48 44 the the DET fcis-2485 48 45 rssi rssi ADJ fcis-2485 48 46 smoother smooth ADJ fcis-2485 48 47 . . PUNCT fcis-2485 49 1 feng feng PROPN fcis-2485 49 2 et et PROPN fcis-2485 49 3 al al PROPN fcis-2485 49 4 used use VERB fcis-2485 49 5 particle particle NOUN fcis-2485 49 6 filter filter NOUN fcis-2485 49 7 to to PART fcis-2485 49 8 observe observe VERB fcis-2485 49 9 the the DET fcis-2485 49 10 position position NOUN fcis-2485 49 11 of of ADP fcis-2485 49 12 moving move VERB fcis-2485 49 13 nodes node NOUN fcis-2485 49 14 , , PUNCT fcis-2485 49 15 and and CCONJ fcis-2485 49 16 then then ADV fcis-2485 49 17 optimized optimize VERB fcis-2485 49 18 the the DET fcis-2485 49 19 results result NOUN fcis-2485 49 20 of of ADP fcis-2485 49 21 particle particle NOUN fcis-2485 49 22 filter filter NOUN fcis-2485 49 23 with with ADP fcis-2485 49 24 kalman kalman PROPN fcis-2485 49 25 filter filter NOUN fcis-2485 49 26 to to PART fcis-2485 49 27 achieve achieve VERB fcis-2485 49 28 the the DET fcis-2485 49 29 prediction prediction NOUN fcis-2485 49 30 of of ADP fcis-2485 49 31 the the DET fcis-2485 49 32 motion motion NOUN fcis-2485 49 33 trajectory trajectory NOUN fcis-2485 49 34 of of ADP fcis-2485 49 35 moving move VERB fcis-2485 49 36 nodes node NOUN fcis-2485 49 37 and and CCONJ fcis-2485 49 38 real real ADJ fcis-2485 49 39 - - PUNCT fcis-2485 49 40 time time NOUN fcis-2485 49 41 positioning positioning NOUN fcis-2485 49 42 . . PUNCT fcis-2485 50 1 wang wang PROPN fcis-2485 50 2 used use VERB fcis-2485 50 3 set set NOUN fcis-2485 50 4 - - PUNCT fcis-2485 50 5 membership membership NOUN fcis-2485 50 6 filtering filtering NOUN fcis-2485 50 7 and and CCONJ fcis-2485 50 8 combined combine VERB fcis-2485 50 9 with with ADP fcis-2485 50 10 sequential sequential ADJ fcis-2485 50 11 fusion fusion NOUN fcis-2485 50 12 algorithm algorithm NOUN fcis-2485 50 13 to to PART fcis-2485 50 14 improve improve VERB fcis-2485 50 15 the the DET fcis-2485 50 16 computational computational ADJ fcis-2485 50 17 efficiency efficiency NOUN fcis-2485 50 18 and and CCONJ fcis-2485 50 19 enable enable VERB fcis-2485 50 20 more more ADV fcis-2485 50 21 accurate accurate ADJ fcis-2485 50 22 estimation estimation NOUN fcis-2485 50 23 and and CCONJ fcis-2485 50 24 localization localization NOUN fcis-2485 50 25 of of ADP fcis-2485 50 26 moving move VERB fcis-2485 50 27 node node ADJ fcis-2485 50 28 positions position NOUN fcis-2485 50 29 . . PUNCT fcis-2485 51 1 3.3 3.3 NUM fcis-2485 51 2 . . PUNCT fcis-2485 52 1 algorithm algorithm NOUN fcis-2485 52 2 optimization optimization NOUN fcis-2485 52 3 the the DET fcis-2485 52 4 rssi rssi ADJ fcis-2485 52 5 algorithm algorithm NOUN fcis-2485 52 6 itself itself PRON fcis-2485 52 7 relies rely VERB fcis-2485 52 8 on on ADP fcis-2485 52 9 empirical empirical ADJ fcis-2485 52 10 model model NOUN fcis-2485 52 11 equation equation NOUN fcis-2485 52 12 for for ADP fcis-2485 52 13 computation computation NOUN fcis-2485 52 14 , , PUNCT fcis-2485 52 15 and and CCONJ fcis-2485 52 16 the the DET fcis-2485 52 17 fitness fitness NOUN fcis-2485 52 18 of of ADP fcis-2485 52 19 the the DET fcis-2485 52 20 model model NOUN fcis-2485 52 21 affects affect VERB fcis-2485 52 22 the the DET fcis-2485 52 23 accuracy accuracy NOUN fcis-2485 52 24 of of ADP fcis-2485 52 25 the the DET fcis-2485 52 26 algorithm algorithm NOUN fcis-2485 52 27 . . PUNCT fcis-2485 53 1 therefore therefore ADV fcis-2485 53 2 , , PUNCT fcis-2485 53 3 an an DET fcis-2485 53 4 entry entry NOUN fcis-2485 53 5 point point NOUN fcis-2485 53 6 for for ADP fcis-2485 53 7 improving improve VERB fcis-2485 53 8 the the DET fcis-2485 53 9 algorithm algorithm NOUN fcis-2485 53 10 arises arise VERB fcis-2485 53 11 . . PUNCT fcis-2485 54 1 in in ADP fcis-2485 54 2 some some DET fcis-2485 54 3 studies study NOUN fcis-2485 54 4 , , PUNCT fcis-2485 54 5 researchers researcher NOUN fcis-2485 54 6 perform perform VERB fcis-2485 54 7 different different ADJ fcis-2485 54 8 ways way NOUN fcis-2485 54 9 of of ADP fcis-2485 54 10 optimization optimization NOUN fcis-2485 54 11 in in ADP fcis-2485 54 12 this this DET fcis-2485 54 13 step step NOUN fcis-2485 54 14 to to PART fcis-2485 54 15 obtain obtain VERB fcis-2485 54 16 as as ADP fcis-2485 54 17 accurate accurate ADJ fcis-2485 54 18 distance distance NOUN fcis-2485 54 19 values value NOUN fcis-2485 54 20 as as ADP fcis-2485 54 21 possible possible ADJ fcis-2485 54 22 when when SCONJ fcis-2485 54 23 converting convert VERB fcis-2485 54 24 the the DET fcis-2485 54 25 rssi rssi ADJ fcis-2485 54 26 values value NOUN fcis-2485 54 27 sent send VERB fcis-2485 54 28 by by ADP fcis-2485 54 29 nodes node NOUN fcis-2485 54 30 into into ADP fcis-2485 54 31 distance distance NOUN fcis-2485 54 32 calculations calculation NOUN fcis-2485 54 33 . . PUNCT fcis-2485 55 1 anbalagan anbalagan PROPN fcis-2485 55 2 loganathan loganathan PROPN fcis-2485 56 1 et et PROPN fcis-2485 56 2 al al PROPN fcis-2485 56 3 . . PROPN fcis-2485 56 4 designed design VERB fcis-2485 56 5 an an DET fcis-2485 56 6 algorithm algorithm NOUN fcis-2485 56 7 to to PART fcis-2485 56 8 filter filter VERB fcis-2485 56 9 rssi rssi ADJ fcis-2485 56 10 values value NOUN fcis-2485 56 11 using use VERB fcis-2485 56 12 a a DET fcis-2485 56 13 smoothing smooth VERB fcis-2485 56 14 metric metric NOUN fcis-2485 56 15 , , PUNCT fcis-2485 56 16 establish establish VERB fcis-2485 56 17 a a DET fcis-2485 56 18 curve curve NOUN fcis-2485 56 19 smoothing smooth VERB fcis-2485 56 20 formula formula NOUN fcis-2485 56 21 for for ADP fcis-2485 56 22 the the DET fcis-2485 56 23 case case NOUN fcis-2485 56 24 of of ADP fcis-2485 56 25 uniform uniform ADJ fcis-2485 56 26 node node ADJ fcis-2485 56 27 motion motion NOUN fcis-2485 56 28 , , PUNCT fcis-2485 56 29 and and CCONJ fcis-2485 56 30 select select VERB fcis-2485 56 31 the the DET fcis-2485 56 32 appropriate appropriate ADJ fcis-2485 56 33 smoothing smoothing NOUN fcis-2485 56 34 value value NOUN fcis-2485 56 35 through through ADP fcis-2485 56 36 multiple multiple ADJ fcis-2485 56 37 experiments experiment NOUN fcis-2485 56 38 to to PART fcis-2485 56 39 estimate estimate VERB fcis-2485 56 40 the the DET fcis-2485 56 41 positioning positioning NOUN fcis-2485 56 42 of of ADP fcis-2485 56 43 moving move VERB fcis-2485 56 44 objects object NOUN fcis-2485 56 45 . . PUNCT fcis-2485 57 1 wu wu PROPN fcis-2485 57 2 et et PROPN fcis-2485 57 3 al al PROPN fcis-2485 57 4 introduced introduce VERB fcis-2485 57 5 a a DET fcis-2485 57 6 node node ADJ fcis-2485 57 7 coverage coverage NOUN fcis-2485 57 8 model model NOUN fcis-2485 57 9 and and CCONJ fcis-2485 57 10 proposed propose VERB fcis-2485 57 11 a a DET fcis-2485 57 12 multi multi ADJ fcis-2485 57 13 - - ADJ fcis-2485 57 14 objective objective ADJ fcis-2485 57 15 optimization optimization NOUN fcis-2485 57 16 model model NOUN fcis-2485 57 17 considering consider VERB fcis-2485 57 18 obstacles obstacle NOUN fcis-2485 57 19 to to PART fcis-2485 57 20 improve improve VERB fcis-2485 57 21 the the DET fcis-2485 57 22 effective effective ADJ fcis-2485 57 23 coverage coverage NOUN fcis-2485 57 24 of of ADP fcis-2485 57 25 wsn wsn PROPN fcis-2485 57 26 . . PUNCT fcis-2485 58 1 chen chen PROPN fcis-2485 58 2 et et PROPN fcis-2485 58 3 al al PROPN fcis-2485 58 4 proposed propose VERB fcis-2485 58 5 a a DET fcis-2485 58 6 context context NOUN fcis-2485 58 7 - - PUNCT fcis-2485 58 8 adaptive adaptive ADJ fcis-2485 58 9 rssi rssi ADJ fcis-2485 58 10 localization localization NOUN fcis-2485 58 11 method method NOUN fcis-2485 58 12 for for ADP fcis-2485 58 13 indoor indoor ADJ fcis-2485 58 14 complex complex ADJ fcis-2485 58 15 environments environment NOUN fcis-2485 58 16 by by ADP fcis-2485 58 17 selecting select VERB fcis-2485 58 18 multiple multiple ADJ fcis-2485 58 19 fitting fitting ADJ fcis-2485 58 20 models model NOUN fcis-2485 58 21 , , PUNCT fcis-2485 58 22 segmenting segment VERB fcis-2485 58 23 the the DET fcis-2485 58 24 filtered filter VERB fcis-2485 58 25 data datum NOUN fcis-2485 58 26 for for ADP fcis-2485 58 27 heterogeneous heterogeneous ADJ fcis-2485 58 28 fitting fitting NOUN fcis-2485 58 29 and and CCONJ fcis-2485 58 30 calculating calculate VERB fcis-2485 58 31 the the DET fcis-2485 58 32 fitting fitting ADJ fcis-2485 58 33 error error NOUN fcis-2485 58 34 separately separately ADV fcis-2485 58 35 , , PUNCT fcis-2485 58 36 and and CCONJ fcis-2485 58 37 selecting select VERB fcis-2485 58 38 the the DET fcis-2485 58 39 segmentation segmentation NOUN fcis-2485 58 40 point point NOUN fcis-2485 58 41 with with ADP fcis-2485 58 42 the the DET fcis-2485 58 43 smallest small ADJ fcis-2485 58 44 error error NOUN fcis-2485 58 45 as as ADV fcis-2485 58 46 well well ADV fcis-2485 58 47 as as ADP fcis-2485 58 48 the the DET fcis-2485 58 49 fitting fitting ADJ fcis-2485 58 50 model model NOUN fcis-2485 58 51 . . PUNCT fcis-2485 59 1 these these DET fcis-2485 59 2 methods method NOUN fcis-2485 59 3 improve improve VERB fcis-2485 59 4 the the DET fcis-2485 59 5 adaptability adaptability NOUN fcis-2485 59 6 to to ADP fcis-2485 59 7 different different ADJ fcis-2485 59 8 environments environment NOUN fcis-2485 59 9 . . PUNCT fcis-2485 60 1 another another DET fcis-2485 60 2 aspect aspect NOUN fcis-2485 60 3 is be AUX fcis-2485 60 4 the the DET fcis-2485 60 5 optimization optimization NOUN fcis-2485 60 6 of of ADP fcis-2485 60 7 the the DET fcis-2485 60 8 localization localization NOUN fcis-2485 60 9 algorithm algorithm NOUN fcis-2485 60 10 . . PUNCT fcis-2485 61 1 since since SCONJ fcis-2485 61 2 positioning position VERB fcis-2485 61 3 using use VERB fcis-2485 61 4 rssi rssi NOUN fcis-2485 61 5 requires require VERB fcis-2485 61 6 the the DET fcis-2485 61 7 assistance assistance NOUN fcis-2485 61 8 of of ADP fcis-2485 61 9 other other ADJ fcis-2485 61 10 localization localization NOUN fcis-2485 61 11 algorithms algorithm NOUN fcis-2485 61 12 , , PUNCT fcis-2485 61 13 there there PRON fcis-2485 61 14 are be VERB fcis-2485 61 15 also also ADV fcis-2485 61 16 many many ADJ fcis-2485 61 17 studies study NOUN fcis-2485 61 18 that that PRON fcis-2485 61 19 try try VERB fcis-2485 61 20 to to PART fcis-2485 61 21 improve improve VERB fcis-2485 61 22 the the DET fcis-2485 61 23 accuracy accuracy NOUN fcis-2485 61 24 of of ADP fcis-2485 61 25 the the DET fcis-2485 61 26 localization localization NOUN fcis-2485 61 27 calculation calculation NOUN fcis-2485 61 28 process process NOUN fcis-2485 61 29 . . PUNCT fcis-2485 62 1 the the DET fcis-2485 62 2 study study NOUN fcis-2485 62 3 by by ADP fcis-2485 62 4 jiang jiang PROPN fcis-2485 62 5 et et PROPN fcis-2485 62 6 al al PROPN fcis-2485 62 7 improved improve VERB fcis-2485 62 8 the the DET fcis-2485 62 9 weighted weighted ADJ fcis-2485 62 10 center center NOUN fcis-2485 62 11 - - PUNCT fcis-2485 62 12 of of ADP fcis-2485 62 13 - - PUNCT fcis-2485 62 14 mass mass NOUN fcis-2485 62 15 algorithm algorithm NOUN fcis-2485 62 16 in in ADP fcis-2485 62 17 the the DET fcis-2485 62 18 localization localization NOUN fcis-2485 62 19 phase phase NOUN fcis-2485 62 20 by by ADP fcis-2485 62 21 using use VERB fcis-2485 62 22 the the DET fcis-2485 62 23 exponential exponential ADJ fcis-2485 62 24 power power NOUN fcis-2485 62 25 of of ADP fcis-2485 62 26 the the DET fcis-2485 62 27 inverse inverse NOUN fcis-2485 62 28 of of ADP fcis-2485 62 29 the the DET fcis-2485 62 30 distance distance NOUN fcis-2485 62 31 as as ADP fcis-2485 62 32 the the DET fcis-2485 62 33 weight weight NOUN fcis-2485 62 34 , , PUNCT fcis-2485 62 35 while while SCONJ fcis-2485 62 36 using use VERB fcis-2485 62 37 the the DET fcis-2485 62 38 idea idea NOUN fcis-2485 62 39 of of ADP fcis-2485 62 40 iteration iteration NOUN fcis-2485 62 41 to to PART fcis-2485 62 42 maximize maximize VERB fcis-2485 62 43 the the DET fcis-2485 62 44 node node ADJ fcis-2485 62 45 coverage coverage NOUN fcis-2485 62 46 , , PUNCT fcis-2485 62 47 which which PRON fcis-2485 62 48 significantly significantly ADV fcis-2485 62 49 improved improve VERB fcis-2485 62 50 the the DET fcis-2485 62 51 localization localization NOUN fcis-2485 62 52 accuracy accuracy NOUN fcis-2485 62 53 . . PUNCT fcis-2485 63 1 nie nie PROPN fcis-2485 63 2 et et PROPN fcis-2485 63 3 al al PROPN fcis-2485 63 4 studied study VERB fcis-2485 63 5 the the DET fcis-2485 63 6 smoothness smoothness NOUN fcis-2485 63 7 and and CCONJ fcis-2485 63 8 distribution distribution NOUN fcis-2485 63 9 properties property NOUN fcis-2485 63 10 of of ADP fcis-2485 63 11 rssi rssi NOUN fcis-2485 63 12 , , PUNCT fcis-2485 63 13 noting note VERB fcis-2485 63 14 that that SCONJ fcis-2485 63 15 the the DET fcis-2485 63 16 probability probability NOUN fcis-2485 63 17 density density NOUN fcis-2485 63 18 function function NOUN fcis-2485 63 19 of of ADP fcis-2485 63 20 rssi rssi ADJ fcis-2485 63 21 approximates approximate VERB fcis-2485 63 22 a a DET fcis-2485 63 23 gaussian gaussian ADJ fcis-2485 63 24 distribution distribution NOUN fcis-2485 63 25 , , PUNCT fcis-2485 63 26 and and CCONJ fcis-2485 63 27 used use VERB fcis-2485 63 28 bayesian bayesian NOUN fcis-2485 63 29 estimation estimation NOUN fcis-2485 63 30 to to PART fcis-2485 63 31 obtain obtain VERB fcis-2485 63 32 each each DET fcis-2485 63 33 weight weight NOUN fcis-2485 63 34 in in ADP fcis-2485 63 35 the the DET fcis-2485 63 36 discrete discrete ADJ fcis-2485 63 37 space space NOUN fcis-2485 63 38 and and CCONJ fcis-2485 63 39 calculated calculate VERB fcis-2485 63 40 the the DET fcis-2485 63 41 position position NOUN fcis-2485 63 42 with with ADP fcis-2485 63 43 the the DET fcis-2485 63 44 largest large ADJ fcis-2485 63 45 weight weight NOUN fcis-2485 63 46 as as SCONJ fcis-2485 63 47 the the DET fcis-2485 63 48 localization localization NOUN fcis-2485 63 49 result result VERB fcis-2485 63 50 . . PUNCT fcis-2485 64 1 3.4 3.4 NUM fcis-2485 64 2 . . PUNCT fcis-2485 64 3 algorithm algorithm NOUN fcis-2485 64 4 fusion fusion NOUN fcis-2485 64 5 rssi rssi NOUN fcis-2485 64 6 itself itself PRON fcis-2485 64 7 has have VERB fcis-2485 64 8 low low ADJ fcis-2485 64 9 hardware hardware NOUN fcis-2485 64 10 requirements requirement NOUN fcis-2485 64 11 , , PUNCT fcis-2485 64 12 but but CCONJ fcis-2485 64 13 is be AUX fcis-2485 64 14 also also ADV fcis-2485 64 15 susceptible susceptible ADJ fcis-2485 64 16 to to ADP fcis-2485 64 17 environmental environmental ADJ fcis-2485 64 18 influences influence NOUN fcis-2485 64 19 . . PUNCT fcis-2485 65 1 when when SCONJ fcis-2485 65 2 hardware hardware NOUN fcis-2485 65 3 conditions condition NOUN fcis-2485 65 4 allow allow VERB fcis-2485 65 5 , , PUNCT fcis-2485 65 6 rssi rssi ADJ fcis-2485 65 7 and and CCONJ fcis-2485 65 8 other other ADJ fcis-2485 65 9 algorithms algorithm NOUN fcis-2485 65 10 can can AUX fcis-2485 65 11 be be AUX fcis-2485 65 12 combined combine VERB fcis-2485 65 13 to to PART fcis-2485 65 14 complement complement VERB fcis-2485 65 15 each each DET fcis-2485 65 16 other other ADJ fcis-2485 65 17 to to PART fcis-2485 65 18 improve improve VERB fcis-2485 65 19 the the DET fcis-2485 65 20 localization localization NOUN fcis-2485 65 21 accuracy accuracy NOUN fcis-2485 65 22 . . PUNCT fcis-2485 66 1 for for ADP fcis-2485 66 2 example example NOUN fcis-2485 66 3 , , PUNCT fcis-2485 66 4 zhang zhang PROPN fcis-2485 66 5 et et PROPN fcis-2485 66 6 al al PROPN fcis-2485 66 7 used use VERB fcis-2485 66 8 a a DET fcis-2485 66 9 gauss gauss ADJ fcis-2485 66 10 - - PUNCT fcis-2485 66 11 markov markov NOUN fcis-2485 66 12 migration migration NOUN fcis-2485 66 13 model model NOUN fcis-2485 66 14 in in ADP fcis-2485 66 15 the the DET fcis-2485 66 16 face face NOUN fcis-2485 66 17 of of ADP fcis-2485 66 18 3d 3d PROPN fcis-2485 66 19 spatial spatial ADJ fcis-2485 66 20 localization localization NOUN fcis-2485 66 21 , , PUNCT fcis-2485 66 22 using use VERB fcis-2485 66 23 rssi rssi NOUN fcis-2485 66 24 for for ADP fcis-2485 66 25 close close ADJ fcis-2485 66 26 - - PUNCT fcis-2485 66 27 range range NOUN fcis-2485 66 28 ranging ranging NOUN fcis-2485 66 29 and and CCONJ fcis-2485 66 30 toa toa VERB fcis-2485 66 31 for for ADP fcis-2485 66 32 long long ADJ fcis-2485 66 33 - - PUNCT fcis-2485 66 34 range range NOUN fcis-2485 66 35 ranging range VERB fcis-2485 66 36 to to PART fcis-2485 66 37 compensate compensate VERB fcis-2485 66 38 for for ADP fcis-2485 66 39 the the DET fcis-2485 66 40 problem problem NOUN fcis-2485 66 41 that that PRON fcis-2485 66 42 toa toa NOUN fcis-2485 66 43 algorithm algorithm NOUN fcis-2485 66 44 is be AUX fcis-2485 66 45 prone prone ADJ fcis-2485 66 46 to to ADP fcis-2485 66 47 excessive excessive ADJ fcis-2485 66 48 errors error NOUN fcis-2485 66 49 and and CCONJ fcis-2485 66 50 rssi rssi ADJ fcis-2485 66 51 accuracy accuracy NOUN fcis-2485 66 52 is be AUX fcis-2485 66 53 greatly greatly ADV fcis-2485 66 54 affected affect VERB fcis-2485 66 55 by by ADP fcis-2485 66 56 the the DET fcis-2485 66 57 environment environment NOUN fcis-2485 66 58 when when SCONJ fcis-2485 66 59 used use VERB fcis-2485 66 60 alone alone ADV fcis-2485 66 61 . . PUNCT fcis-2485 67 1 wang wang PROPN fcis-2485 67 2 combined combine VERB fcis-2485 67 3 aoa aoa PROPN fcis-2485 67 4 and and CCONJ fcis-2485 67 5 12 12 NUM fcis-2485 67 6 rssi rssi ADJ fcis-2485 67 7 algorithms algorithm NOUN fcis-2485 67 8 , , PUNCT fcis-2485 67 9 and and CCONJ fcis-2485 67 10 after after ADP fcis-2485 67 11 using use VERB fcis-2485 67 12 various various ADJ fcis-2485 67 13 ways way NOUN fcis-2485 67 14 to to PART fcis-2485 67 15 accurately accurately ADV fcis-2485 67 16 obtain obtain VERB fcis-2485 67 17 the the DET fcis-2485 67 18 data datum NOUN fcis-2485 67 19 obtained obtain VERB fcis-2485 67 20 from from ADP fcis-2485 67 21 aoa aoa PROPN fcis-2485 67 22 parameters parameter NOUN fcis-2485 67 23 , , PUNCT fcis-2485 67 24 the the DET fcis-2485 67 25 kalman kalman NOUN fcis-2485 67 26 filter filter NOUN fcis-2485 67 27 is be AUX fcis-2485 67 28 used use VERB fcis-2485 67 29 to to PART fcis-2485 67 30 combine combine VERB fcis-2485 67 31 the the DET fcis-2485 67 32 aoa aoa PROPN fcis-2485 67 33 and and CCONJ fcis-2485 67 34 rssi rssi ADJ fcis-2485 67 35 information information NOUN fcis-2485 67 36 to to PART fcis-2485 67 37 complete complete VERB fcis-2485 67 38 the the DET fcis-2485 67 39 fusion fusion NOUN fcis-2485 67 40 localization localization NOUN fcis-2485 67 41 . . PUNCT fcis-2485 68 1 3.5 3.5 NUM fcis-2485 68 2 . . PUNCT fcis-2485 69 1 advanced advance VERB fcis-2485 69 2 algorithmic algorithmic ADJ fcis-2485 69 3 techniques technique NOUN fcis-2485 69 4 with with ADP fcis-2485 69 5 the the DET fcis-2485 69 6 development development NOUN fcis-2485 69 7 of of ADP fcis-2485 69 8 computers computer NOUN fcis-2485 69 9 , , PUNCT fcis-2485 69 10 information information NOUN fcis-2485 69 11 technology technology NOUN fcis-2485 69 12 , , PUNCT fcis-2485 69 13 advanced advanced ADJ fcis-2485 69 14 algorithms algorithm NOUN fcis-2485 69 15 , , PUNCT fcis-2485 69 16 such such ADJ fcis-2485 69 17 as as ADP fcis-2485 69 18 computer computer NOUN fcis-2485 69 19 vision vision NOUN fcis-2485 69 20 and and CCONJ fcis-2485 69 21 neural neural ADJ fcis-2485 69 22 networks network NOUN fcis-2485 69 23 , , PUNCT fcis-2485 69 24 are be AUX fcis-2485 69 25 becoming become VERB fcis-2485 69 26 popular popular ADJ fcis-2485 69 27 research research NOUN fcis-2485 69 28 directions direction NOUN fcis-2485 69 29 in in ADP fcis-2485 69 30 the the DET fcis-2485 69 31 computer computer NOUN fcis-2485 69 32 and and CCONJ fcis-2485 69 33 information information NOUN fcis-2485 69 34 industries industry NOUN fcis-2485 69 35 and and CCONJ fcis-2485 69 36 are be AUX fcis-2485 69 37 also also ADV fcis-2485 69 38 able able ADJ fcis-2485 69 39 to to PART fcis-2485 69 40 be be AUX fcis-2485 69 41 applied apply VERB fcis-2485 69 42 in in ADP fcis-2485 69 43 wireless wireless ADJ fcis-2485 69 44 sensing sensing NOUN fcis-2485 69 45 and and CCONJ fcis-2485 69 46 positioning positioning NOUN fcis-2485 69 47 algorithms algorithm NOUN fcis-2485 69 48 . . PUNCT fcis-2485 70 1 for for ADP fcis-2485 70 2 example example NOUN fcis-2485 70 3 , , PUNCT fcis-2485 70 4 bp bp PROPN fcis-2485 70 5 neural neural ADJ fcis-2485 70 6 networks network NOUN fcis-2485 70 7 were be AUX fcis-2485 70 8 used use VERB fcis-2485 70 9 to to PART fcis-2485 70 10 optimize optimize VERB fcis-2485 70 11 rssi rssi ADJ fcis-2485 70 12 ranging range VERB fcis-2485 70 13 algorithms algorithm NOUN fcis-2485 70 14 by by ADP fcis-2485 70 15 yao yao PROPN fcis-2485 70 16 et et PROPN fcis-2485 70 17 al al PROPN fcis-2485 70 18 , , PUNCT fcis-2485 70 19 a a DET fcis-2485 70 20 research research NOUN fcis-2485 70 21 group group NOUN fcis-2485 70 22 that that PRON fcis-2485 70 23 proposed propose VERB fcis-2485 70 24 a a DET fcis-2485 70 25 ranging ranging NOUN fcis-2485 70 26 method method NOUN fcis-2485 70 27 that that PRON fcis-2485 70 28 applied apply VERB fcis-2485 70 29 a a DET fcis-2485 70 30 bp bp PROPN fcis-2485 70 31 neural neural ADJ fcis-2485 70 32 network network NOUN fcis-2485 70 33 model model NOUN fcis-2485 70 34 based base VERB fcis-2485 70 35 on on ADP fcis-2485 70 36 the the DET fcis-2485 70 37 k k NOUN fcis-2485 70 38 - - PUNCT fcis-2485 70 39 means mean VERB fcis-2485 70 40 clustering clustering ADJ fcis-2485 70 41 algorithm algorithm NOUN fcis-2485 70 42 , , PUNCT fcis-2485 70 43 divided divide VERB fcis-2485 70 44 the the DET fcis-2485 70 45 distance distance NOUN fcis-2485 70 46 intervals interval NOUN fcis-2485 70 47 for for ADP fcis-2485 70 48 the the DET fcis-2485 70 49 sample sample NOUN fcis-2485 70 50 data datum NOUN fcis-2485 70 51 during during ADP fcis-2485 70 52 ranging ranging NOUN fcis-2485 70 53 , , PUNCT fcis-2485 70 54 fed feed VERB fcis-2485 70 55 the the DET fcis-2485 70 56 classified classified ADJ fcis-2485 70 57 data datum NOUN fcis-2485 70 58 into into ADP fcis-2485 70 59 the the DET fcis-2485 70 60 neural neural ADJ fcis-2485 70 61 network network NOUN fcis-2485 70 62 , , PUNCT fcis-2485 70 63 built build VERB fcis-2485 70 64 the the DET fcis-2485 70 65 model model NOUN fcis-2485 70 66 and and CCONJ fcis-2485 70 67 calculated calculate VERB fcis-2485 70 68 the the DET fcis-2485 70 69 measured measured ADJ fcis-2485 70 70 distances distance NOUN fcis-2485 70 71 . . PUNCT fcis-2485 71 1 lou lou PROPN fcis-2485 71 2 first first ADV fcis-2485 71 3 proposed propose VERB fcis-2485 71 4 in in ADP fcis-2485 71 5 her her PRON fcis-2485 71 6 study study NOUN fcis-2485 71 7 a a DET fcis-2485 71 8 propagation propagation NOUN fcis-2485 71 9 model model NOUN fcis-2485 71 10 environment environment NOUN fcis-2485 71 11 parameter parameter PROPN fcis-2485 71 12 adaptive adaptive ADJ fcis-2485 71 13 strategy strategy NOUN fcis-2485 71 14 and and CCONJ fcis-2485 71 15 cluster cluster NOUN fcis-2485 71 16 - - PUNCT fcis-2485 71 17 based base VERB fcis-2485 71 18 adaptive adaptive ADJ fcis-2485 71 19 perception perception NOUN fcis-2485 71 20 , , PUNCT fcis-2485 71 21 then then ADV fcis-2485 71 22 proposed propose VERB fcis-2485 71 23 a a DET fcis-2485 71 24 new new ADJ fcis-2485 71 25 optimization optimization NOUN fcis-2485 71 26 scheme scheme NOUN fcis-2485 71 27 based base VERB fcis-2485 71 28 on on ADP fcis-2485 71 29 machine machine NOUN fcis-2485 71 30 learning learning NOUN fcis-2485 71 31 , , PUNCT fcis-2485 71 32 joint joint ADJ fcis-2485 71 33 adaptive adaptive ADJ fcis-2485 71 34 algorithm algorithm NOUN fcis-2485 71 35 , , PUNCT fcis-2485 71 36 solving solve VERB fcis-2485 71 37 the the DET fcis-2485 71 38 problem problem NOUN fcis-2485 71 39 that that SCONJ fcis-2485 71 40 the the DET fcis-2485 71 41 general general ADJ fcis-2485 71 42 improvement improvement NOUN fcis-2485 71 43 algorithm algorithm NOUN fcis-2485 71 44 can can AUX fcis-2485 71 45 not not PART fcis-2485 71 46 be be AUX fcis-2485 71 47 applied apply VERB fcis-2485 71 48 to to ADP fcis-2485 71 49 the the DET fcis-2485 71 50 multiple multiple ADJ fcis-2485 71 51 ranging ranging NOUN fcis-2485 71 52 and and CCONJ fcis-2485 71 53 positioning positioning NOUN fcis-2485 71 54 model model NOUN fcis-2485 71 55 and and CCONJ fcis-2485 71 56 effectively effectively ADV fcis-2485 71 57 improve improve VERB fcis-2485 71 58 the the DET fcis-2485 71 59 accuracy accuracy NOUN fcis-2485 71 60 . . PUNCT fcis-2485 72 1 jiang jiang PROPN fcis-2485 72 2 et et PROPN fcis-2485 72 3 al al PROPN fcis-2485 72 4 chose choose VERB fcis-2485 72 5 image image NOUN fcis-2485 72 6 processing processing NOUN fcis-2485 72 7 as as ADP fcis-2485 72 8 the the DET fcis-2485 72 9 optimization optimization NOUN fcis-2485 72 10 method method NOUN fcis-2485 72 11 , , PUNCT fcis-2485 72 12 then then ADV fcis-2485 72 13 the the DET fcis-2485 72 14 original original ADJ fcis-2485 72 15 signal signal NOUN fcis-2485 72 16 was be AUX fcis-2485 72 17 subjected subject VERB fcis-2485 72 18 to to ADP fcis-2485 72 19 gaussian gaussian ADJ fcis-2485 72 20 filtering filtering NOUN fcis-2485 72 21 , , PUNCT fcis-2485 72 22 kalman kalman NOUN fcis-2485 72 23 filtering filtering PROPN fcis-2485 72 24 , , PUNCT fcis-2485 72 25 after after ADP fcis-2485 72 26 a a DET fcis-2485 72 27 series series NOUN fcis-2485 72 28 of of ADP fcis-2485 72 29 processing processing NOUN fcis-2485 72 30 such such ADJ fcis-2485 72 31 as as ADP fcis-2485 72 32 fingerprint fingerprint NOUN fcis-2485 72 33 library library ADJ fcis-2485 72 34 establishment establishment NOUN fcis-2485 72 35 and and CCONJ fcis-2485 72 36 k k NOUN fcis-2485 72 37 - - PROPN fcis-2485 72 38 d d ADJ fcis-2485 72 39 tree tree NOUN fcis-2485 72 40 establishment establishment NOUN fcis-2485 72 41 , , PUNCT fcis-2485 72 42 the the DET fcis-2485 72 43 initial initial ADJ fcis-2485 72 44 localization localization NOUN fcis-2485 72 45 points point NOUN fcis-2485 72 46 are be AUX fcis-2485 72 47 screened screen VERB fcis-2485 72 48 out out ADP fcis-2485 72 49 by by ADP fcis-2485 72 50 the the DET fcis-2485 72 51 improved improved ADJ fcis-2485 72 52 knearest knearest NOUN fcis-2485 72 53 neighbor neighbor NOUN fcis-2485 72 54 algorithm algorithm NOUN fcis-2485 72 55 , , PUNCT fcis-2485 72 56 and and CCONJ fcis-2485 72 57 then then ADV fcis-2485 72 58 image image NOUN fcis-2485 72 59 processing processing NOUN fcis-2485 72 60 is be AUX fcis-2485 72 61 used use VERB fcis-2485 72 62 for for ADP fcis-2485 72 63 localization localization NOUN fcis-2485 72 64 , , PUNCT fcis-2485 72 65 which which PRON fcis-2485 72 66 achieves achieve VERB fcis-2485 72 67 the the DET fcis-2485 72 68 same same ADJ fcis-2485 72 69 accuracy accuracy NOUN fcis-2485 72 70 as as ADP fcis-2485 72 71 traditional traditional ADJ fcis-2485 72 72 rssi rssi ADJ fcis-2485 72 73 positioning positioning NOUN fcis-2485 72 74 with with ADP fcis-2485 72 75 more more ADJ fcis-2485 72 76 nodes node NOUN fcis-2485 72 77 in in ADP fcis-2485 72 78 the the DET fcis-2485 72 79 case case NOUN fcis-2485 72 80 of of ADP fcis-2485 72 81 fewer few ADJ fcis-2485 72 82 nodes node NOUN fcis-2485 72 83 and and CCONJ fcis-2485 72 84 reduces reduce VERB fcis-2485 72 85 the the DET fcis-2485 72 86 equipment equipment NOUN fcis-2485 72 87 requirements requirement NOUN fcis-2485 72 88 and and CCONJ fcis-2485 72 89 algorithm algorithm NOUN fcis-2485 72 90 complexity complexity NOUN fcis-2485 72 91 . . PUNCT fcis-2485 73 1 irsan irsan PROPN fcis-2485 73 2 taufik taufik PROPN fcis-2485 73 3 ali ali PROPN fcis-2485 73 4 et et PROPN fcis-2485 73 5 al al PROPN fcis-2485 73 6 selected select VERB fcis-2485 73 7 the the DET fcis-2485 73 8 deepfi deepfi NOUN fcis-2485 73 9 - - PUNCT fcis-2485 73 10 lorain lorain NOUN fcis-2485 73 11 technique technique NOUN fcis-2485 73 12 to to PART fcis-2485 73 13 train train VERB fcis-2485 73 14 the the DET fcis-2485 73 15 rssi rssi ADJ fcis-2485 73 16 values value NOUN fcis-2485 73 17 and and CCONJ fcis-2485 73 18 use use VERB fcis-2485 73 19 the the DET fcis-2485 73 20 resulting result VERB fcis-2485 73 21 model model NOUN fcis-2485 73 22 for for ADP fcis-2485 73 23 location location NOUN fcis-2485 73 24 prediction prediction NOUN fcis-2485 73 25 in in ADP fcis-2485 73 26 dynamic dynamic ADJ fcis-2485 73 27 environments environment NOUN fcis-2485 73 28 , , PUNCT fcis-2485 73 29 which which PRON fcis-2485 73 30 reduces reduce VERB fcis-2485 73 31 the the DET fcis-2485 73 32 environmental environmental ADJ fcis-2485 73 33 impact impact NOUN fcis-2485 73 34 during during ADP fcis-2485 73 35 data data NOUN fcis-2485 73 36 collection collection NOUN fcis-2485 73 37 and and CCONJ fcis-2485 73 38 improves improve VERB fcis-2485 73 39 the the DET fcis-2485 73 40 localization localization NOUN fcis-2485 73 41 accuracy accuracy NOUN fcis-2485 73 42 . . PUNCT fcis-2485 74 1 4 4 X fcis-2485 74 2 . . X fcis-2485 74 3 conclusion conclusion VERB fcis-2485 74 4 the the DET fcis-2485 74 5 rssi rssi NOUN fcis-2485 74 6 - - PUNCT fcis-2485 74 7 based base VERB fcis-2485 74 8 positioning positioning NOUN fcis-2485 74 9 algorithm algorithm NOUN fcis-2485 74 10 has have VERB fcis-2485 74 11 considerable considerable ADJ fcis-2485 74 12 application application NOUN fcis-2485 74 13 prospects prospect NOUN fcis-2485 74 14 and and CCONJ fcis-2485 74 15 conditions condition NOUN fcis-2485 74 16 for for ADP fcis-2485 74 17 promotion promotion NOUN fcis-2485 74 18 , , PUNCT fcis-2485 74 19 but but CCONJ fcis-2485 74 20 due due ADP fcis-2485 74 21 to to ADP fcis-2485 74 22 the the DET fcis-2485 74 23 characteristics characteristic NOUN fcis-2485 74 24 of of ADP fcis-2485 74 25 the the DET fcis-2485 74 26 algorithm algorithm NOUN fcis-2485 74 27 itself itself PRON fcis-2485 74 28 , , PUNCT fcis-2485 74 29 its its PRON fcis-2485 74 30 accuracy accuracy NOUN fcis-2485 74 31 problem problem NOUN fcis-2485 74 32 makes make VERB fcis-2485 74 33 it it PRON fcis-2485 74 34 not not PART fcis-2485 74 35 yet yet ADV fcis-2485 74 36 competent competent ADJ fcis-2485 74 37 for for ADP fcis-2485 74 38 higher high ADJ fcis-2485 74 39 precision precision NOUN fcis-2485 74 40 work work NOUN fcis-2485 74 41 and and CCONJ fcis-2485 74 42 applications application NOUN fcis-2485 74 43 . . PUNCT fcis-2485 75 1 it it PRON fcis-2485 75 2 is be AUX fcis-2485 75 3 notable notable ADJ fcis-2485 75 4 that that SCONJ fcis-2485 75 5 many many ADJ fcis-2485 75 6 researchers researcher NOUN fcis-2485 75 7 have have AUX fcis-2485 75 8 improved improve VERB fcis-2485 75 9 the the DET fcis-2485 75 10 rssi rssi NOUN fcis-2485 75 11 - - PUNCT fcis-2485 75 12 based base VERB fcis-2485 75 13 positioning positioning NOUN fcis-2485 75 14 algorithm algorithm NOUN fcis-2485 75 15 from from ADP fcis-2485 75 16 several several ADJ fcis-2485 75 17 perspectives perspective NOUN fcis-2485 75 18 . . PUNCT fcis-2485 76 1 with with ADP fcis-2485 76 2 the the DET fcis-2485 76 3 development development NOUN fcis-2485 76 4 of of ADP fcis-2485 76 5 technology technology NOUN fcis-2485 76 6 and and CCONJ fcis-2485 76 7 the the DET fcis-2485 76 8 emergence emergence NOUN fcis-2485 76 9 of of ADP fcis-2485 76 10 new new ADJ fcis-2485 76 11 algorithms algorithm NOUN fcis-2485 76 12 , , PUNCT fcis-2485 76 13 different different ADJ fcis-2485 76 14 kinds kind NOUN fcis-2485 76 15 of of ADP fcis-2485 76 16 improvements improvement NOUN fcis-2485 76 17 and and CCONJ fcis-2485 76 18 optimizations optimization NOUN fcis-2485 76 19 are be AUX fcis-2485 76 20 making make VERB fcis-2485 76 21 the the DET fcis-2485 76 22 ranging range VERB fcis-2485 76 23 accuracy accuracy NOUN fcis-2485 76 24 of of ADP fcis-2485 76 25 rssi rssi NOUN fcis-2485 76 26 and and CCONJ fcis-2485 76 27 the the DET fcis-2485 76 28 positioning positioning NOUN fcis-2485 76 29 accuracy accuracy NOUN fcis-2485 76 30 with with ADP fcis-2485 76 31 the the DET fcis-2485 76 32 application application NOUN fcis-2485 76 33 of of ADP fcis-2485 76 34 rssi rssi NOUN fcis-2485 76 35 more more ADV fcis-2485 76 36 accurate accurate ADJ fcis-2485 76 37 , , PUNCT fcis-2485 76 38 and and CCONJ fcis-2485 76 39 optimized optimize VERB fcis-2485 76 40 algorithms algorithm NOUN fcis-2485 76 41 with with ADP fcis-2485 76 42 higher high ADJ fcis-2485 76 43 accuracy accuracy NOUN fcis-2485 76 44 and and CCONJ fcis-2485 76 45 more more ADJ fcis-2485 76 46 application application NOUN fcis-2485 76 47 cases case NOUN fcis-2485 76 48 will will AUX fcis-2485 76 49 definitely definitely ADV fcis-2485 76 50 appear appear VERB fcis-2485 76 51 in in ADP fcis-2485 76 52 the the DET fcis-2485 76 53 future future NOUN fcis-2485 76 54 . . PUNCT fcis-2485 77 1 references reference NOUN fcis-2485 77 2 [ [ X fcis-2485 77 3 1 1 NUM fcis-2485 77 4 ] ] SYM fcis-2485 77 5 ou ou PROPN fcis-2485 77 6 , , PUNCT fcis-2485 77 7 s. s. PROPN fcis-2485 77 8 q. q. PROPN fcis-2485 77 9 & & CCONJ fcis-2485 77 10 chen chen PROPN fcis-2485 77 11 , , PUNCT fcis-2485 77 12 j. j. PROPN fcis-2485 77 13 ( ( PUNCT fcis-2485 77 14 2013 2013 NUM fcis-2485 77 15 ) ) PUNCT fcis-2485 77 16 . . PUNCT fcis-2485 78 1 the the DET fcis-2485 78 2 research research NOUN fcis-2485 78 3 overview overview NOUN fcis-2485 78 4 and and CCONJ fcis-2485 78 5 development development NOUN fcis-2485 78 6 prospects prospect NOUN fcis-2485 78 7 of of ADP fcis-2485 78 8 wireless wireless ADJ fcis-2485 78 9 sensor sensor NOUN fcis-2485 78 10 network network NOUN fcis-2485 78 11 . . PUNCT fcis-2485 79 1 computer computer NOUN fcis-2485 79 2 knowledge knowledge NOUN fcis-2485 79 3 and and CCONJ fcis-2485 79 4 technology technology NOUN fcis-2485 79 5 ( ( PUNCT fcis-2485 79 6 33),7418 33),7418 NOUN fcis-2485 79 7 - - SYM fcis-2485 79 8 7419 7419 NUM fcis-2485 79 9 . . PUNCT fcis-2485 80 1 [ [ X fcis-2485 80 2 2 2 NUM fcis-2485 80 3 ] ] PUNCT fcis-2485 80 4 cao cao PROPN fcis-2485 80 5 , , PUNCT fcis-2485 80 6 a. a. PROPN fcis-2485 80 7 l. l. PROPN fcis-2485 80 8 , , PUNCT fcis-2485 80 9 zhang zhang PROPN fcis-2485 80 10 p. p. PROPN fcis-2485 80 11 & & CCONJ fcis-2485 80 12 liu liu PROPN fcis-2485 80 13 , , PUNCT fcis-2485 80 14 t. t. PROPN fcis-2485 80 15 ( ( PUNCT fcis-2485 80 16 2017 2017 NUM fcis-2485 80 17 ) ) PUNCT fcis-2485 80 18 . . PUNCT fcis-2485 81 1 review review NOUN fcis-2485 81 2 on on ADP fcis-2485 81 3 localization localization NOUN fcis-2485 81 4 technology technology NOUN fcis-2485 81 5 of of ADP fcis-2485 81 6 wireless wireless ADJ fcis-2485 81 7 sensor sensor NOUN fcis-2485 81 8 networks network NOUN fcis-2485 81 9 . . PUNCT fcis-2485 82 1 journal journal PROPN fcis-2485 82 2 of of ADP fcis-2485 82 3 yichun yichun PROPN fcis-2485 82 4 college college PROPN fcis-2485 82 5 ( ( PUNCT fcis-2485 82 6 06),15 06),15 NUM fcis-2485 82 7 - - SYM fcis-2485 82 8 22 22 NUM fcis-2485 82 9 [ [ X fcis-2485 82 10 3 3 NUM fcis-2485 82 11 ] ] X fcis-2485 82 12 tang tang NOUN fcis-2485 82 13 , , PUNCT fcis-2485 82 14 m. m. NOUN fcis-2485 82 15 s. s. PROPN fcis-2485 82 16 ( ( PUNCT fcis-2485 82 17 2018 2018 NUM fcis-2485 82 18 ) ) PUNCT fcis-2485 82 19 . . PUNCT fcis-2485 83 1 overview overview NOUN fcis-2485 83 2 of of ADP fcis-2485 83 3 wireless wireless ADJ fcis-2485 83 4 sensor sensor NOUN fcis-2485 83 5 network network NOUN fcis-2485 83 6 application application NOUN fcis-2485 83 7 technologie technologie NOUN fcis-2485 83 8 . . PROPN fcis-2485 84 1 science science PROPN fcis-2485 84 2 & & CCONJ fcis-2485 84 3 technology technology PROPN fcis-2485 84 4 information information NOUN fcis-2485 84 5 ( ( PUNCT fcis-2485 84 6 36),42 36),42 NUM fcis-2485 84 7 - - SYM fcis-2485 84 8 43 43 NUM fcis-2485 84 9 . . PUNCT fcis-2485 85 1 [ [ X fcis-2485 85 2 4 4 NUM fcis-2485 85 3 ] ] X fcis-2485 85 4 liu liu PROPN fcis-2485 85 5 , , PUNCT fcis-2485 85 6 b. b. PROPN fcis-2485 85 7 n. n. PROPN fcis-2485 85 8 ( ( PUNCT fcis-2485 85 9 2018 2018 NUM fcis-2485 85 10 ) ) PUNCT fcis-2485 85 11 . . PUNCT fcis-2485 86 1 indoor indoor ADJ fcis-2485 86 2 space space NOUN fcis-2485 86 3 location location NOUN fcis-2485 86 4 method method NOUN fcis-2485 86 5 based base VERB fcis-2485 86 6 on on ADP fcis-2485 86 7 zigbee zigbee PROPN fcis-2485 86 8 technology technology PROPN fcis-2485 86 9 , , PUNCT fcis-2485 86 10 unpublished unpublished ADJ fcis-2485 86 11 master master NOUN fcis-2485 86 12 ’s ’s PART fcis-2485 86 13 dissertation dissertation NOUN fcis-2485 86 14 , , PUNCT fcis-2485 86 15 beijing beijing PROPN fcis-2485 86 16 institute institute PROPN fcis-2485 86 17 of of ADP fcis-2485 86 18 technology technology PROPN fcis-2485 86 19 , , PUNCT fcis-2485 86 20 beijing beijing PROPN fcis-2485 86 21 . . PUNCT fcis-2485 87 1 [ [ X fcis-2485 87 2 5 5 NUM fcis-2485 87 3 ] ] SYM fcis-2485 87 4 zhang zhang PROPN fcis-2485 87 5 , , PUNCT fcis-2485 87 6 b. b. PROPN fcis-2485 87 7 s. s. PROPN fcis-2485 87 8 , , PUNCT fcis-2485 87 9 tong tong PROPN fcis-2485 87 10 , , PUNCT fcis-2485 87 11 z. z. PROPN fcis-2485 87 12 y. y. PROPN fcis-2485 87 13 , , PUNCT fcis-2485 87 14 tang tang PROPN fcis-2485 87 15 , , PUNCT fcis-2485 87 16 s. s. PROPN fcis-2485 87 17 f. f. PROPN fcis-2485 87 18 , , PUNCT fcis-2485 87 19 tong tong PROPN fcis-2485 87 20 , , PUNCT fcis-2485 87 21 m. m. NOUN fcis-2485 87 22 m. m. PROPN fcis-2485 87 23 & & CCONJ fcis-2485 87 24 xu xu PROPN fcis-2485 87 25 , , PUNCT fcis-2485 87 26 c. c. PROPN fcis-2485 87 27 l. l. PROPN fcis-2485 87 28 ( ( PUNCT fcis-2485 87 29 2018 2018 NUM fcis-2485 87 30 ) ) PUNCT fcis-2485 87 31 . . PUNCT fcis-2485 88 1 overview overview NOUN fcis-2485 88 2 of of ADP fcis-2485 88 3 rssi rssi NOUN fcis-2485 88 4 based base VERB fcis-2485 88 5 indoor indoor ADJ fcis-2485 88 6 positioning positioning NOUN fcis-2485 88 7 technologies technology NOUN fcis-2485 88 8 . . PUNCT fcis-2485 89 1 computer computer NOUN fcis-2485 89 2 era era NOUN fcis-2485 89 3 ( ( PUNCT fcis-2485 89 4 07),1 07),1 NOUN fcis-2485 89 5 - - SYM fcis-2485 89 6 4 4 NUM fcis-2485 89 7 + + NOUN fcis-2485 89 8 8 8 NUM fcis-2485 89 9 . . PUNCT fcis-2485 90 1 [ [ X fcis-2485 90 2 6 6 NUM fcis-2485 90 3 ] ] SYM fcis-2485 90 4 han han PROPN fcis-2485 90 5 , , PUNCT fcis-2485 90 6 l. l. PROPN fcis-2485 90 7 ( ( PUNCT fcis-2485 90 8 2021 2021 NUM fcis-2485 90 9 ) ) PUNCT fcis-2485 90 10 . . PUNCT fcis-2485 91 1 research research NOUN fcis-2485 91 2 on on ADP fcis-2485 91 3 positioning positioning NOUN fcis-2485 91 4 technology technology NOUN fcis-2485 91 5 based base VERB fcis-2485 91 6 on on ADP fcis-2485 91 7 joint joint ADJ fcis-2485 91 8 filter filter NOUN fcis-2485 91 9 fusion fusion NOUN fcis-2485 91 10 prediction prediction NOUN fcis-2485 91 11 , , PUNCT fcis-2485 91 12 unpublished unpublished ADJ fcis-2485 91 13 master master NOUN fcis-2485 91 14 ’s ’s PART fcis-2485 91 15 dissertation dissertation NOUN fcis-2485 91 16 , , PUNCT fcis-2485 91 17 chongqing chongqing PROPN fcis-2485 91 18 university university PROPN fcis-2485 91 19 of of ADP fcis-2485 91 20 posts post NOUN fcis-2485 91 21 and and CCONJ fcis-2485 91 22 telecommunications telecommunication NOUN fcis-2485 91 23 , , PUNCT fcis-2485 91 24 chongqing chongqing PROPN fcis-2485 91 25 . . PUNCT fcis-2485 92 1 [ [ X fcis-2485 92 2 7 7 NUM fcis-2485 92 3 ] ] X fcis-2485 92 4 lu lu PROPN fcis-2485 92 5 , , PUNCT fcis-2485 92 6 z. z. PROPN fcis-2485 92 7 z. z. PROPN fcis-2485 92 8 , , PUNCT fcis-2485 92 9 lu lu PROPN fcis-2485 92 10 , , PUNCT fcis-2485 92 11 x. x. PROPN fcis-2485 92 12 p. p. PROPN fcis-2485 92 13 , , PUNCT fcis-2485 92 14 ma ma PROPN fcis-2485 92 15 , , PUNCT fcis-2485 92 16 l. l. PROPN fcis-2485 92 17 t. t. PROPN fcis-2485 92 18 & & CCONJ fcis-2485 92 19 zhang zhang PROPN fcis-2485 92 20 , , PUNCT fcis-2485 92 21 h. h. PROPN fcis-2485 92 22 ( ( PUNCT fcis-2485 92 23 2019 2019 NUM fcis-2485 92 24 ) ) PUNCT fcis-2485 92 25 . . PUNCT fcis-2485 93 1 gaussian gaussian ADJ fcis-2485 93 2 filter filter NOUN fcis-2485 93 3 rssi rssi NOUN fcis-2485 93 4 ranging range VERB fcis-2485 93 5 algorithm algorithm NOUN fcis-2485 93 6 based base VERB fcis-2485 93 7 on on ADP fcis-2485 93 8 rof rof PROPN fcis-2485 93 9 model model PROPN fcis-2485 93 10 . . PUNCT fcis-2485 94 1 journal journal PROPN fcis-2485 94 2 of of ADP fcis-2485 94 3 navigation navigation NOUN fcis-2485 94 4 and and CCONJ fcis-2485 94 5 positioning positioning NOUN fcis-2485 94 6 ( ( PUNCT fcis-2485 94 7 01),54 01),54 NUM fcis-2485 94 8 - - SYM fcis-2485 94 9 58 58 NUM fcis-2485 94 10 . . PUNCT fcis-2485 95 1 [ [ X fcis-2485 95 2 8 8 NUM fcis-2485 95 3 ] ] X fcis-2485 95 4 feng feng PROPN fcis-2485 95 5 , , PUNCT fcis-2485 95 6 f. f. PROPN fcis-2485 95 7 , , PUNCT fcis-2485 95 8 wu wu PROPN fcis-2485 95 9 , , PUNCT fcis-2485 95 10 c c X fcis-2485 95 11 , , PUNCT fcis-2485 95 12 & & CCONJ fcis-2485 95 13 chen chen PROPN fcis-2485 95 14 , , PUNCT fcis-2485 95 15 j. j. PROPN fcis-2485 95 16 h. h. PROPN fcis-2485 95 17 ( ( PUNCT fcis-2485 95 18 2020 2020 NUM fcis-2485 95 19 ) ) PUNCT fcis-2485 95 20 . . PUNCT fcis-2485 96 1 rssi rssi NOUN fcis-2485 96 2 - - PUNCT fcis-2485 96 3 based base VERB fcis-2485 96 4 indoor indoor ADJ fcis-2485 96 5 localization localization NOUN fcis-2485 96 6 algorithm algorithm NOUN fcis-2485 96 7 combining combine VERB fcis-2485 96 8 with with ADP fcis-2485 96 9 particle particle NOUN fcis-2485 96 10 filter filter NOUN fcis-2485 96 11 and and CCONJ fcis-2485 96 12 kalman kalman PROPN fcis-2485 96 13 filter filter PROPN fcis-2485 96 14 . . PUNCT fcis-2485 97 1 technology technology NOUN fcis-2485 97 2 of of ADP fcis-2485 97 3 iot iot PROPN fcis-2485 97 4 & & CCONJ fcis-2485 97 5 ai ai PROPN fcis-2485 97 6 ( ( PUNCT fcis-2485 97 7 05),24 05),24 NUM fcis-2485 97 8 - - SYM fcis-2485 97 9 29 29 NUM fcis-2485 97 10 . . PUNCT fcis-2485 98 1 [ [ X fcis-2485 98 2 9 9 NUM fcis-2485 98 3 ] ] X fcis-2485 98 4 wang wang PROPN fcis-2485 98 5 , , PUNCT fcis-2485 98 6 t. t. PROPN fcis-2485 98 7 t. t. PROPN fcis-2485 98 8 ( ( PUNCT fcis-2485 98 9 2021 2021 NUM fcis-2485 98 10 ) ) PUNCT fcis-2485 98 11 research research NOUN fcis-2485 98 12 on on ADP fcis-2485 98 13 rssi rssi ADJ fcis-2485 98 14 indoor indoor ADJ fcis-2485 98 15 localization localization NOUN fcis-2485 98 16 algorithm algorithm NOUN fcis-2485 98 17 based base VERB fcis-2485 98 18 on on ADP fcis-2485 98 19 set set NOUN fcis-2485 98 20 - - PUNCT fcis-2485 98 21 membership membership NOUN fcis-2485 98 22 filtering filtering NOUN fcis-2485 98 23 , , PUNCT fcis-2485 98 24 unpublished unpublished ADJ fcis-2485 98 25 master master NOUN fcis-2485 98 26 ’s ’s PART fcis-2485 98 27 dissertation dissertation NOUN fcis-2485 98 28 , , PUNCT fcis-2485 98 29 shanxi shanxi PROPN fcis-2485 98 30 university university PROPN fcis-2485 98 31 , , PUNCT fcis-2485 98 32 taiyuan taiyuan PROPN fcis-2485 98 33 , , PUNCT fcis-2485 98 34 shanxi shanxi PROPN fcis-2485 98 35 . . PUNCT fcis-2485 99 1 [ [ X fcis-2485 99 2 10 10 NUM fcis-2485 99 3 ] ] X fcis-2485 99 4 loganathan loganathan PROPN fcis-2485 99 5 , , PUNCT fcis-2485 99 6 a a PRON fcis-2485 99 7 & & CCONJ fcis-2485 99 8 ahmad ahmad PROPN fcis-2485 99 9 , , PUNCT fcis-2485 99 10 n. n. PROPN fcis-2485 99 11 s. s. PROPN fcis-2485 99 12 ( ( PUNCT fcis-2485 99 13 2020 2020 NUM fcis-2485 99 14 ) ) PUNCT fcis-2485 99 15 . . PUNCT fcis-2485 100 1 indoor indoor ADJ fcis-2485 100 2 localization localization NOUN fcis-2485 100 3 of of ADP fcis-2485 100 4 a a DET fcis-2485 100 5 mobile mobile ADJ fcis-2485 100 6 object object NOUN fcis-2485 100 7 via via ADP fcis-2485 100 8 zigbee zigbee NOUN fcis-2485 100 9 - - PUNCT fcis-2485 100 10 based base VERB fcis-2485 100 11 rssi rssi NOUN fcis-2485 100 12 . . PUNCT fcis-2485 101 1 international international ADJ fcis-2485 101 2 journal journal PROPN fcis-2485 101 3 of of ADP fcis-2485 101 4 electrical electrical ADJ fcis-2485 101 5 and and CCONJ fcis-2485 101 6 electronic electronic ADJ fcis-2485 101 7 engineering engineering NOUN fcis-2485 101 8 & & CCONJ fcis-2485 101 9 telecommunications(2 telecommunications(2 NOUN fcis-2485 101 10 ) ) PUNCT fcis-2485 101 11 , , PUNCT fcis-2485 101 12 100 100 NUM fcis-2485 101 13 - - SYM fcis-2485 101 14 104 104 NUM fcis-2485 101 15 . . PUNCT fcis-2485 102 1 [ [ X fcis-2485 102 2 11 11 NUM fcis-2485 102 3 ] ] SYM fcis-2485 102 4 wu wu PROPN fcis-2485 102 5 , , PUNCT fcis-2485 102 6 h. h. PROPN fcis-2485 102 7 , , PUNCT fcis-2485 102 8 liu liu PROPN fcis-2485 102 9 , , PUNCT fcis-2485 102 10 z. z. PROPN fcis-2485 102 11 & & CCONJ fcis-2485 102 12 hu hu PROPN fcis-2485 102 13 , , PUNCT fcis-2485 102 14 j. j. PROPN fcis-2485 102 15 ( ( PUNCT fcis-2485 102 16 2021 2021 NUM fcis-2485 102 17 ) ) PUNCT fcis-2485 102 18 multi multi ADJ fcis-2485 102 19 - - ADJ fcis-2485 102 20 objective objective ADJ fcis-2485 102 21 optimization optimization NOUN fcis-2485 102 22 of of ADP fcis-2485 102 23 rssi rssi ADJ fcis-2485 102 24 sensor sensor NOUN fcis-2485 102 25 deployment deployment NOUN fcis-2485 102 26 considering consider VERB fcis-2485 102 27 obstacles obstacle NOUN fcis-2485 102 28 for for ADP fcis-2485 102 29 indoor indoor ADJ fcis-2485 102 30 positioning positioning NOUN fcis-2485 102 31 . . PUNCT fcis-2485 103 1 geomatics geomatic NOUN fcis-2485 103 2 and and CCONJ fcis-2485 103 3 information information NOUN fcis-2485 103 4 science science NOUN fcis-2485 103 5 of of ADP fcis-2485 103 6 wuhan wuhan PROPN fcis-2485 103 7 university university PROPN fcis-2485 103 8 , , PUNCT fcis-2485 103 9 1 1 NUM fcis-2485 103 10 - - SYM fcis-2485 103 11 12 12 NUM fcis-2485 103 12 . . PUNCT fcis-2485 104 1 [ [ X fcis-2485 104 2 12 12 NUM fcis-2485 104 3 ] ] X fcis-2485 104 4 chen chen PROPN fcis-2485 104 5 , , PUNCT fcis-2485 104 6 y. y. PROPN fcis-2485 104 7 x. x. PROPN fcis-2485 104 8 , , PUNCT fcis-2485 104 9 liu liu PROPN fcis-2485 104 10 , , PUNCT fcis-2485 104 11 r. r. PROPN fcis-2485 104 12 r r PROPN fcis-2485 104 13 , , PUNCT fcis-2485 104 14 chen chen PROPN fcis-2485 104 15 , , PUNCT fcis-2485 104 16 y. y. PROPN fcis-2485 104 17 q q PROPN fcis-2485 104 18 , , PUNCT fcis-2485 104 19 wang wang PROPN fcis-2485 104 20 , , PUNCT fcis-2485 104 21 s. s. PROPN fcis-2485 104 22 q. q. PROPN fcis-2485 104 23 & & CCONJ fcis-2485 104 24 jiang jiang PROPN fcis-2485 104 25 , , PUNCT fcis-2485 104 26 x. x. PROPN fcis-2485 104 27 l. l. PROPN fcis-2485 104 28 ( ( PUNCT fcis-2485 104 29 2017 2017 NUM fcis-2485 104 30 ) ) PUNCT fcis-2485 104 31 . . PUNCT fcis-2485 105 1 a a DET fcis-2485 105 2 context context NOUN fcis-2485 105 3 - - PUNCT fcis-2485 105 4 adaptive adaptive ADJ fcis-2485 105 5 segmentation segmentation NOUN fcis-2485 105 6 heterogeneous heterogeneous ADJ fcis-2485 105 7 rssi rssi ADJ fcis-2485 105 8 fitting fitting ADJ fcis-2485 105 9 positioning positioning NOUN fcis-2485 105 10 method method NOUN fcis-2485 105 11 . . PUNCT fcis-2485 106 1 computer computer NOUN fcis-2485 106 2 engineering engineering PROPN fcis-2485 106 3 & & CCONJ fcis-2485 106 4 science science PROPN fcis-2485 106 5 ( ( PUNCT fcis-2485 106 6 07),1288 07),1288 NOUN fcis-2485 106 7 - - PUNCT fcis-2485 106 8 1294 1294 NUM fcis-2485 106 9 . . PUNCT fcis-2485 107 1 [ [ X fcis-2485 107 2 13 13 NUM fcis-2485 107 3 ] ] SYM fcis-2485 107 4 jiang jiang PROPN fcis-2485 107 5 , , PUNCT fcis-2485 107 6 w. w. PROPN fcis-2485 107 7 x. x. PROPN fcis-2485 107 8 , , PUNCT fcis-2485 107 9 liu liu PROPN fcis-2485 107 10 , , PUNCT fcis-2485 107 11 d. d. PROPN fcis-2485 107 12 , , PUNCT fcis-2485 107 13 zhao zhao PROPN fcis-2485 107 14 , , PUNCT fcis-2485 107 15 s. s. PROPN fcis-2485 107 16 r. r. PROPN fcis-2485 107 17 , , PUNCT fcis-2485 107 18 chen chen PROPN fcis-2485 107 19 , , PUNCT fcis-2485 107 20 b. b. PROPN fcis-2485 107 21 z. z. PROPN fcis-2485 107 22 & & CCONJ fcis-2485 107 23 wei wei PROPN fcis-2485 107 24 , , PUNCT fcis-2485 107 25 s. s. PROPN fcis-2485 107 26 f. f. PROPN fcis-2485 107 27 ( ( PUNCT fcis-2485 107 28 2022 2022 NUM fcis-2485 107 29 ) ) PUNCT fcis-2485 107 30 . . PUNCT fcis-2485 108 1 optimization optimization NOUN fcis-2485 108 2 of of ADP fcis-2485 108 3 centroid centroid NOUN fcis-2485 108 4 localization localization NOUN fcis-2485 108 5 algorithm algorithm NOUN fcis-2485 108 6 for for ADP fcis-2485 108 7 wireless wireless ADJ fcis-2485 108 8 sensor sensor NOUN fcis-2485 108 9 networks network NOUN fcis-2485 108 10 based base VERB fcis-2485 108 11 on on ADP fcis-2485 108 12 rssi rssi NOUN fcis-2485 108 13 . . PUNCT fcis-2485 108 14 computer computer NOUN fcis-2485 108 15 systems system NOUN fcis-2485 108 16 & & CCONJ fcis-2485 108 17 applications application NOUN fcis-2485 108 18 ( ( PUNCT fcis-2485 108 19 06),294 06),294 NOUN fcis-2485 108 20 - - SYM fcis-2485 108 21 299 299 NUM fcis-2485 108 22 . . PUNCT fcis-2485 109 1 [ [ X fcis-2485 109 2 14 14 NUM fcis-2485 109 3 ] ] SYM fcis-2485 109 4 nie nie PROPN fcis-2485 109 5 , , PUNCT fcis-2485 109 6 d. d. PROPN fcis-2485 109 7 w. w. PROPN fcis-2485 109 8 , , PUNCT fcis-2485 109 9 zhu zhu PROPN fcis-2485 109 10 , , PUNCT fcis-2485 109 11 h. h. PROPN fcis-2485 109 12 , , PUNCT fcis-2485 109 13 wu wu PROPN fcis-2485 109 14 , , PUNCT fcis-2485 109 15 f. f. PROPN fcis-2485 109 16 & & CCONJ fcis-2485 109 17 han han PROPN fcis-2485 109 18 , , PUNCT fcis-2485 109 19 x. x. PROPN fcis-2485 109 20 f. f. PROPN fcis-2485 109 21 ( ( PUNCT fcis-2485 109 22 2022 2022 NUM fcis-2485 109 23 ) ) PUNCT fcis-2485 109 24 . . PUNCT fcis-2485 110 1 weighted weight VERB fcis-2485 110 2 localization localization NOUN fcis-2485 110 3 method method NOUN fcis-2485 110 4 based base VERB fcis-2485 110 5 on on ADP fcis-2485 110 6 rssi rssi ADJ fcis-2485 110 7 probability probability NOUN fcis-2485 110 8 distribution distribution NOUN fcis-2485 110 9 with with ADP fcis-2485 110 10 bayesian bayesian NOUN fcis-2485 110 11 estimation estimation NOUN fcis-2485 110 12 . . PUNCT fcis-2485 111 1 gnss gnss PROPN fcis-2485 111 2 world world NOUN fcis-2485 111 3 of of ADP fcis-2485 111 4 china china PROPN fcis-2485 111 5 ( ( PUNCT fcis-2485 111 6 02),52 02),52 NUM fcis-2485 111 7 - - PUNCT fcis-2485 111 8 59 59 NUM fcis-2485 111 9 . . PUNCT fcis-2485 112 1 [ [ X fcis-2485 112 2 15 15 NUM fcis-2485 112 3 ] ] X fcis-2485 112 4 zhang zhang PROPN fcis-2485 112 5 , , PUNCT fcis-2485 112 6 l. l. PROPN fcis-2485 112 7 p. p. PROPN fcis-2485 112 8 , , PUNCT fcis-2485 112 9 yang yang PROPN fcis-2485 112 10 , , PUNCT fcis-2485 112 11 z. z. PROPN fcis-2485 112 12 y. y. PROPN fcis-2485 112 13 , , PUNCT fcis-2485 112 14 zhang zhang PROPN fcis-2485 112 15 , , PUNCT fcis-2485 112 16 s. s. PROPN fcis-2485 112 17 l. l. PROPN fcis-2485 112 18 & & CCONJ fcis-2485 112 19 yang yang PROPN fcis-2485 112 20 , , PUNCT fcis-2485 112 21 h. h. PROPN fcis-2485 112 22 h.(2019).three h.(2019).three PROPN fcis-2485 112 23 - - PUNCT fcis-2485 112 24 dimensional dimensional ADJ fcis-2485 112 25 localization localization NOUN fcis-2485 112 26 algorithm algorithm NOUN fcis-2485 112 27 of of ADP fcis-2485 112 28 wsn wsn PROPN fcis-2485 112 29 nodes node NOUN fcis-2485 112 30 based base VERB fcis-2485 112 31 on on ADP fcis-2485 112 32 rssi rssi ADJ fcis-2485 112 33 - - PUNCT fcis-2485 112 34 toa toa NOUN fcis-2485 112 35 and and CCONJ fcis-2485 112 36 single single ADJ fcis-2485 112 37 mobile mobile ADJ fcis-2485 112 38 anchor anchor NOUN fcis-2485 112 39 node node PROPN fcis-2485 112 40 . . PUNCT fcis-2485 112 41 journal journal PROPN fcis-2485 112 42 of of ADP fcis-2485 112 43 electrical electrical ADJ fcis-2485 112 44 and and CCONJ fcis-2485 112 45 computer computer NOUN fcis-2485 112 46 engineering engineering NOUN fcis-2485 112 47 . . PUNCT fcis-2485 113 1 article article NOUN fcis-2485 113 2 i i PROPN fcis-2485 113 3 d d PROPN fcis-2485 113 4 4043106 4043106 NUM fcis-2485 113 5 . . PUNCT fcis-2485 114 1 [ [ X fcis-2485 114 2 16 16 NUM fcis-2485 114 3 ] ] X fcis-2485 114 4 wang wang PROPN fcis-2485 114 5 , , PUNCT fcis-2485 114 6 j. j. PROPN fcis-2485 114 7 c. c. PROPN fcis-2485 114 8 ( ( PUNCT fcis-2485 114 9 2018 2018 NUM fcis-2485 114 10 ) ) PUNCT fcis-2485 114 11 . . PUNCT fcis-2485 115 1 research research NOUN fcis-2485 115 2 on on ADP fcis-2485 115 3 fusion fusion NOUN fcis-2485 115 4 localization localization NOUN fcis-2485 115 5 algorithm algorithm NOUN fcis-2485 115 6 based base VERB fcis-2485 115 7 on on ADP fcis-2485 115 8 aoa aoa PROPN fcis-2485 115 9 and and CCONJ fcis-2485 115 10 rssi rssi PROPN fcis-2485 115 11 . . PROPN fcis-2485 115 12 unpublished unpublished PROPN fcis-2485 115 13 master master NOUN fcis-2485 115 14 ’s ’s PART fcis-2485 115 15 dissertation dissertation NOUN fcis-2485 115 16 , , PUNCT fcis-2485 115 17 chongqing chongqing PROPN fcis-2485 115 18 university university PROPN fcis-2485 115 19 of of ADP fcis-2485 115 20 posts post NOUN fcis-2485 115 21 and and CCONJ fcis-2485 115 22 telecommunications telecommunication NOUN fcis-2485 115 23 , , PUNCT fcis-2485 115 24 chongqing chongqing PROPN fcis-2485 115 25 . . PUNCT fcis-2485 116 1 [ [ X fcis-2485 116 2 17 17 NUM fcis-2485 116 3 ] ] SYM fcis-2485 116 4 yao yao PROPN fcis-2485 116 5 , , PUNCT fcis-2485 116 6 j. j. PROPN fcis-2485 116 7 , , PUNCT fcis-2485 116 8 zhen zhen PROPN fcis-2485 116 9 , , PUNCT fcis-2485 116 10 z. z. PROPN fcis-2485 116 11 y. y. PROPN fcis-2485 116 12 & & CCONJ fcis-2485 116 13 ma ma PROPN fcis-2485 116 14 , , PUNCT fcis-2485 116 15 y. y. PROPN fcis-2485 116 16 j. j. PROPN fcis-2485 116 17 ( ( PUNCT fcis-2485 116 18 2021 2021 NUM fcis-2485 116 19 ) ) PUNCT fcis-2485 116 20 rssi rssi ADJ fcis-2485 116 21 ranging range VERB fcis-2485 116 22 optimization optimization NOUN fcis-2485 116 23 algorithm algorithm NOUN fcis-2485 116 24 based base VERB fcis-2485 116 25 on on ADP fcis-2485 116 26 bp bp PROPN fcis-2485 116 27 neural neural ADJ fcis-2485 116 28 network network NOUN fcis-2485 116 29 . . PUNCT fcis-2485 117 1 chinese chinese ADJ fcis-2485 117 2 journal journal PROPN fcis-2485 117 3 of of ADP fcis-2485 117 4 radio radio NOUN fcis-2485 117 5 science science NOUN fcis-2485 117 6 ( ( PUNCT fcis-2485 117 7 04 04 NUM fcis-2485 117 8 ) ) PUNCT fcis-2485 117 9 , , PUNCT fcis-2485 117 10 663 663 NUM fcis-2485 117 11 - - SYM fcis-2485 117 12 669 669 NUM fcis-2485 117 13 . . PUNCT fcis-2485 118 1 [ [ X fcis-2485 118 2 18 18 NUM fcis-2485 118 3 ] ] X fcis-2485 118 4 lou lou PROPN fcis-2485 118 5 , , PUNCT fcis-2485 118 6 x. x. PROPN fcis-2485 118 7 y. y. PROPN fcis-2485 118 8 ( ( PUNCT fcis-2485 118 9 2019 2019 NUM fcis-2485 118 10 ) ) PUNCT fcis-2485 118 11 . . PUNCT fcis-2485 119 1 research research NOUN fcis-2485 119 2 on on ADP fcis-2485 119 3 rssi rssi ADJ fcis-2485 119 4 indoor indoor ADJ fcis-2485 119 5 environment environment NOUN fcis-2485 119 6 perception perception NOUN fcis-2485 119 7 and and CCONJ fcis-2485 119 8 location location NOUN fcis-2485 119 9 technology technology NOUN fcis-2485 119 10 based base VERB fcis-2485 119 11 on on ADP fcis-2485 119 12 machine machine NOUN fcis-2485 119 13 learning learning NOUN fcis-2485 119 14 . . PUNCT fcis-2485 120 1 unpublished unpublished ADJ fcis-2485 120 2 master master NOUN fcis-2485 120 3 ’s ’s PART fcis-2485 120 4 dissertation dissertation NOUN fcis-2485 120 5 , , PUNCT fcis-2485 120 6 xidian xidian PROPN fcis-2485 120 7 university university NOUN fcis-2485 120 8 , , PUNCT fcis-2485 120 9 xi’an xi’an PROPN fcis-2485 120 10 , , PUNCT fcis-2485 120 11 shaanxi shaanxi PROPN fcis-2485 120 12 . . PUNCT fcis-2485 121 1 [ [ X fcis-2485 121 2 19 19 NUM fcis-2485 121 3 ] ] X fcis-2485 121 4 jiang jiang PROPN fcis-2485 121 5 , , PUNCT fcis-2485 121 6 w. w. PROPN fcis-2485 121 7 b. b. PROPN fcis-2485 121 8 & & CCONJ fcis-2485 121 9 huang huang PROPN fcis-2485 121 10 , , PUNCT fcis-2485 121 11 c. c. PROPN fcis-2485 121 12 h. h. PROPN fcis-2485 121 13 ( ( PUNCT fcis-2485 121 14 2021 2021 NUM fcis-2485 121 15 ) ) PUNCT fcis-2485 121 16 . . PUNCT fcis-2485 122 1 indoor indoor ADJ fcis-2485 122 2 localization localization NOUN fcis-2485 122 3 algorithm algorithm NOUN fcis-2485 122 4 based base VERB fcis-2485 122 5 on on ADP fcis-2485 122 6 image image NOUN fcis-2485 122 7 processing processing NOUN fcis-2485 122 8 and and CCONJ fcis-2485 122 9 rssi rssi ADJ fcis-2485 122 10 signal signal NOUN fcis-2485 122 11 . . PUNCT fcis-2485 123 1 transducer transducer NOUN fcis-2485 123 2 and and CCONJ fcis-2485 123 3 microsystem microsystem NOUN fcis-2485 123 4 technologies technology NOUN fcis-2485 123 5 ( ( PUNCT fcis-2485 123 6 07),126 07),126 NOUN fcis-2485 123 7 - - SYM fcis-2485 123 8 129 129 NUM fcis-2485 123 9 + + NOUN fcis-2485 123 10 133 133 NUM fcis-2485 123 11 . . PUNCT fcis-2485 124 1 [ [ X fcis-2485 124 2 20 20 NUM fcis-2485 124 3 ] ] X fcis-2485 124 4 irsan irsan PROPN fcis-2485 124 5 taufik taufik PROPN fcis-2485 124 6 ali ali PROPN fcis-2485 124 7 , , PUNCT fcis-2485 124 8 abdul abdul PROPN fcis-2485 124 9 muis muis PROPN fcis-2485 124 10 & & CCONJ fcis-2485 124 11 riri riri PROPN fcis-2485 124 12 fitri fitri PROPN fcis-2485 124 13 sari.(2021).a sari.(2021).a VERB fcis-2485 124 14 deep deep ADJ fcis-2485 124 15 learning learning NOUN fcis-2485 124 16 model model NOUN fcis-2485 124 17 implementation implementation NOUN fcis-2485 124 18 based base VERB fcis-2485 124 19 on on ADP fcis-2485 124 20 rssi rssi ADJ fcis-2485 124 21 fingerprinting fingerprinting NOUN fcis-2485 124 22 for for ADP fcis-2485 124 23 lora lora NOUN fcis-2485 124 24 - - PUNCT fcis-2485 124 25 based base VERB fcis-2485 124 26 indoor indoor ADJ fcis-2485 124 27 localization localization NOUN fcis-2485 124 28 . . PUNCT fcis-2485 125 1 eureka eureka PROPN fcis-2485 125 2 : : PUNCT fcis-2485 125 3 physics physics NOUN fcis-2485 125 4 and and CCONJ fcis-2485 125 5 engineering engineering NOUN fcis-2485 125 6 ( ( PUNCT fcis-2485 125 7 01 01 NUM fcis-2485 125 8 ) ) PUNCT fcis-2485 125 9 , , PUNCT fcis-2485 125 10 40 40 NUM fcis-2485 125 11 - - SYM fcis-2485 125 12 59 59 NUM fcis-2485 125 13 . . PUNCT