GSM Technology: Architecture, Security and Future Challenges

GSM means Global System for mobile communication. GSM is generally utilized mobile correspondence framework on the planet. GSM framework was produced as an advanced framework utilizing time division multiple access (TDMA) method for correspondence reason. In this paper we have introduced a concise review of GSM system. GSM arrange otherwise called 2G network. The possibility of GSM was produced at Bell Laboratories in 1970. It is generally utilized portable correspondence framework on the planet. GSM is an open and advanced cell innovation utilized for transmitting versatile voice and information service works at the 850MHz, 900MHz, 1800MHz and 1900MHz frequency bands.