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Reply To: Uplink/Downlink Frequencies in GSM/CDMA


hey guys, Do you guys know how to design a base station grid for GSM 900 system.

consider an urban area(small to medium city) having a rectangular shape of length 30km and width 25km. if the available base stations have their radiating powers 3w each, the antenna masts are 30m high, the antennas are omnidirectional, and have their gains of 2dB. assuming that mobile antennas are elevated to 1.5m, and have a gain of 0dB. Assume also that minimum signal strenght is -90dB.