Sheet1Simplified link budget for GSM systemDownlinkunitUplinkunitTransmitter characteristicsTransmitter power20W2W43.0102999566dBm33.0102999566dBmTX antenna gain17.425307582dBi0dBiNote: Gain computed belowTX cable loss-4dB0dBTX Body loss0dB-2dBCombiner loss-4dB0dBTransmitter EIRP52.4356075386dBm31.0102999566dBmReceiver characteristicsRX antenna gain0dBi17.425307582dBiRX sensitivity102dBm104dBmRX Cable loss0dB-4dBRX Body loss-2dB0dBDiversity gain0dB3dBTotal receiver gain100dB120.425307582dBSystem gain152.4356075386dB151.4356075386dBMarginsCoverage probability (cell edge)0.90.9Note: Usually we use cell coverge probabilityShadow fading std deviation6dB6dBShadow Fading Margin7.5dB7.5dBNote: Margin computed belowIndoor penetration loss0dB0dBTotal margin7.5dB7.5dBAllowed propagation loss144.9356075386dB143.9356075386dBShadow Fading Margin (cell edge approach)Given coverage probability on cell edge (P)0.91-P(=Q)ArgumentShadow fading standard deviation6dB0.501-P0.10.40.25Closest 1-P in table0.10.30.5Argument (inverse of Q)1.250.220.75Shadow fading margin7.5dB0.1710.11.250.071.50.041.750.0232Antenna GainHorizontal 3dB beam width65degrees0.012.25Horizontal gain7.4937950781dBNumber of dipoles6Vertical gain (dBd)7.7815125038dBdVertical gain (dBi)9.9315125038dBiTotal antenna gain17.425307582dBiRange (Okumura-Hata path loss model)UnitCarrier frequency1800MHzBS antenna height25mMS antenna height1.5mParameter A46.3Parameter B33.9Parameter C44.9MS antenna gain function (large city)-0.000919047Path loss exponent3.5743492943Path loss constant137.3351260501dBDownlink range1.631697261kmUplink range1.5298979556kmCell range1.5298979556km

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