An uplink power control based on truncated channel inversion for data traffic in a cellular CDMA system

A power control scheme, called truncated channel inversion, in which a mobi le suspends transmission when the wireless channel is in a bad condition in order to reduce out-cell interference is examined. It is found that capaci ty is improved and battery power consumption is reduced as a consequence of suspending transmission, but extra queuing delay is introduced, It is show n that the extra queuing delay depends on how fast the channel characterist ics change and that the truncated scheme works well, even for moderate mobi le velocities.