About this document
GSM Basics: Communication, Channels, and Handover by kamailscribd is a document available to read on EtoBox.
GSM (Global System for Mobile Communication) is a digital cellular mobile communication system. dB and dBm relate to power levels in watts and milliwatts on a logarithmic scale. GSM900 operates from 890-915 MHz uplink and 935-960 MHz downlink, while GSM1800 (DCS) operates from 1710-1785 MHz uplink and 1805-1880 MHz downlink. Traffic and control channels are used in GSM. Timing advance aims to ensure signals from different mobile stations arrive at the base station at the right time. GSM uses GMSK modulation
- Author
- kamailscribd
- Language
- EN