GLOBAL SYSTEM FOR MOBILE COMMUNICATION (GSM)
Keywords:
: GSM, Digital cellular communication, mobile cellular radio system, ISDNAbstract
Global system for mobile communication (GSM) is universally accepted standard for digital cellular
communication. GSM is the name of a calibrationgroup established in 1982 to create a common European mobile telephone
standard that would formulate specifications for a pan-European mobile cellular radio system operating at 900 MHz this
paper provides an introduction to basic GSM thoughts, conditions, networks, and facilities. A short antiquity of network
evolution is provided in order to set the background for understanding GSM. In addition to digital transmission, GSM
includes many advanced services and landscapes, including ISDN compatibility and worldwide roaming in other GSM
networks.