A weighted open loop power control system for controlling transmission
power levels using a spread spectrum time division duplex (TDD) technique
having frames with timeslots for communication comprises a receiver and a
transmitter. The receiver includes a reference channel data generator, a
spreading and training sequence insertion device, an amplifier, a summer,
a modulator, and an antenna. The transmitter includes a demodulator
configured to receive a transmitted signal from the receiver, a channel
estimation device, a data estimation device, and a weighted open loop
power controller. The weighted open loop power controller includes a
power measurement device, a pathloss estimation device configured to
receive an interpreted power level from the data estimation device and
estimate the pathloss and update a long term average of the pathloss, a
quality measurement device, and a transmit power calculation device for
determining the transmitter's power level and to control the receiver's
amplifier.