A METHOD AND DEVICE FOR DOWNLINK FEEDBACK MULTIPLE ANTENNA TRANSMIT IN WIRELESS COMMUNICATION SYSTEM

摘要

A method and device for downlink feedback multiple antenna transmission in wireless communication system, characterized in that, base station comprise : downlink private physical channel unit, second common pilot channel unit, the beam weighting unit of common pilot channel, multiplexing and summation unit, downlink private physical channel weighting unit, private physical channel and second common pilot channel multiplexing unit, array antennas unit of base station, multiple beam weighting vector unit, uplink private physical control channel, feedback unit for feedback bit information; service cell portion comprise : antenna unit, channel Estimation unit, beam selection the unit, beam Quantization unit. The invention has rationally utilized the spacial charateristic of the channel, maked the beam gain and suppressed interference effectively with simple operation.