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SYSTEM AND METHOD FOR REDUCED OVERHEAD FEEDBACK SCHEME FOR INTERFERENCE MITIGATION IN CELLULAR NETWORKS
SYSTEM AND METHOD FOR REDUCED OVERHEAD FEEDBACK SCHEME FOR INTERFERENCE MITIGATION IN CELLULAR NETWORKS
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机译:减少蜂窝网络干扰缓解的开销反馈方案的系统和方法
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摘要
A system and methods are provided for reducing radio interference in a cellular network comprising a plurality of Base Stations (BSs) and a plurality of User Equipment devices (UEs). The method includes receiving at a base station (BS) serving a user equipment device (UE) a feedback signal, estimated by the UE in response to a radio signal, wherein the feedback signal includes a quantized representation of a direct channel of the BS. The method further includes determining at the BS a pre-coding matrix having a smaller number of dimensions than a number of antennas of the BS and applying the pre-coding matrix to filter subsequent radio signals transmitted by the BS.
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