id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ap-844	Lakkundi, V.	Ultra Wideband Communications: History, Evolution and Emergence	2006	3	.pdf	application/pdf	1577	80	52	UWB radios are designed to use coherent wide-rela- tive-bandwidth propagation, which has no Rayleigh fading. Another chal- lenge is the need for the industry to agree upon common standards for interoperability of UWB devices.	cache/ap-844.pdf	txt/ap-844.txt