id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ajird-685	Abdugafur Hotamov; Shahlo Rasulova	SECURITY OF CELLULAR COMMUNICATION SYSTEMS!	2023	6	.pdf	application/pdf	2567	116	54	Shahlo Rasulova Student of the Samarkand Branch of TUIT named after Muhammad al-Khwarizmi Annotation First generation cellular communication systems such as NMT, TACS and AMPS had little security capability and this resulted in significant levels of fraudulent activity that harms both subscribers and network operators. The GSM system has many security features that are designed to provide the subscriber and network operator with a greater level of protection against fraudulent activity.	cache/ajird-685.pdf	txt/ajird-685.txt