发明名称 Interference suppression with virtual antennas
摘要 A receiver suppresses co-channel interference (CCI) from other transmitters and intersymbol interference (ISI) due to channel distortion using “virtual” antennas. The virtual antennas may be formed by (1) oversampling a received signal for each actual antenna at the receiver and/or (1) decomposing a sequence of complex-valued samples into a sequence of inphase samples and a sequence of quadrature samples. In one design, the receiver includes a pre-processor, an interference suppressor, and an equalizer. The pre-processor processes received samples for at least one actual antenna and generates at least two sequences of input samples for each actual antenna. The interference suppressor suppresses co-channel interference in the input sample sequences and provides at least one sequence of CCI-suppressed samples. The equalizer performs detection on the CCI-suppressed sample sequence(s) and provides detected bits. The interference suppressor and equalizer may be operated for one or multiple iterations.
申请公布号 US7801248(B2) 申请公布日期 2010.09.21
申请号 US20050122654 申请日期 2005.05.04
申请人 QUALCOMM INCORPORATED 发明人 CHALLA RAGHU;RICK ROLAND REINHARD
分类号 H04L27/06;H03D1/04 主分类号 H04L27/06
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