Post on 02-Feb-2016
description
CELLULAR COMMUNICATION
• The cellular concept is a system level idea which makes use of multiple low power transmitters (100 W or less), each providing coverage to a small portion of the service area.
• In cellular system an area is divided into large number of cell, each one served by a base station
GSM
• Global System for Mobile Communication
• European Standard for cellular communication
• Developed by ETSI( European Telecommunication Standards Institute)
• In 1990
• Considered as 2nd Generation mobile phone system
• GSM Services– Data Services– Tele services– Supplementary Services
GSM Block diagram