Global System for Mobile (GSM)

Global System for Mobile (GSM):

Global System for Mobile (GSM)
Global System for Mobile (GSM)

  • Global System for Mobile is the world's first cellular system to specify digital modulation. It is a second-generation system (2G) developed in Europe.
  • GSM was developed to solve the fragmentation problems of the first-generation networks.
 Must Read:>> GSM Services

  • A GSM system has a maximum of 200 full-duplex channels per cell. Each cell has a different uplink and downlink frequency. It handles channel access using a combination of FDM, TDM, and slotted ALOHA.
  • The Global System for Mobile (GSM) communications is a feature-rich digital wireless technology. It provides subscribers with a high-quality digital wireless phone service and clarity and enhanced call security and privacy.
Must Read:>> GSM Architecture

    • GSM is a 2G cellular system that uses digital modulation and network-level architectures and services. The commercial services of GSM started in mid-1991.
    • Because of its advantages, it was widely accepted in a number non-European countries like Asia, South America, and Australia by the end of 1993.
    • GSM can handle both voice and data traffic. The voice waveform is digitally encoded before transmission. The GSM transmission is done within frequency bands of 900 MHz, 1800 MHz, and 1900 MHz.

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