Patent ID: 6836661
Filing Date: 2004-12-28
Classification: H04B,H04W

Abstract:
Signal processing circuitry, for use in a mobile station capable of receiving a downlink signal from each of a plurality of base stations and transmitting an uplink signal to the plurality of base stations through a wireless channel, said signal processing circuitry comprising:a processor which produces a measure of a signal quality of the downlink signals received from the plurality of base stations in a soft handoff mode with said mobile station, selects a base station from which a downlink signal shows a preferred signal quality, and controls transmission of the uplink signal to indicate the selected base station, among the plurality of base stations, for subsequent communication with the mobile station, wherein while in said soft handoff mode, said processor periodically re-selecting a base station from which the downlink signal shows the best signal quality and transmitting the uplink signal indicating the selected base station, among the plurality of base stations in said soft hand-off mode.