Symbol error based power control for mobile...

Details Symbol error based power control for mobile... Symbol error based power control for mobile...

H - Electricity

04

B

H04B 7/005 (2006.01) H04L 1/18 (2006.01) H04Q 7/22 (2006.01)

Patent

CA 2159971

A mobile telecommunication system power control loop includes a symbol error rate detector to detect a number of symbol errors induced during transmission, asumming node to subtract the output of the symbol error rate detector from a symbol error rate target, a multiplier to introduce an adjustment factor, and an integration element to sum the output of the multiplier with past outputs of the multiplier. The output of the integration element is a signal power to noise power ratio target which is used to control the transmission power of the mobile telecommunication system. In one embodiment the symbol error rate target is a constant or parameter set by the user. In another embodiment the symbol error rate target is adjusted automatically to maintain a constant frame error rate.

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