基于压缩感知的MIMONC-OFDM系统信道估计算法,陈恩庆,相小强,多天线不连续正交频分复用(multiple-inputmultiple-outputnon-contiguousorthogonalfrequencydivisionmultiplexing,MIMONC-OFDM)系统是认知无线电(CognitiveRad