【摘要】 提出了一种频率选择性衰落环境下多输入多输出高速下行分组接入 (MIMOHSDPA)系统中chip级的空时均衡接收方案 ,以消除多天线和多码扩频传输时产生的严重的码间干扰和共信道间干扰 ;并推导出分数采样时的空时均衡接收机以进一步提高接收机性能 ,然后给出分析和接收信干噪比来设计最优权重 .ITUPedestrianA信道环境下的仿真结果验证了本文的分析和接收机优越的性能 .更多还原

【Abstract】 A chip-level space-time equalization receiver scheme is proposed for multiple-input multiple-output high-speed downlink packet access (MIMO HSDPA) systems to jointly combat the co-channel interference and the inter-code interference. A fractional sample equalizer is also derived to further improve the performance of the receiver. Performance analysis and the calculation of the output signal to interference ratio (SINR) at each receiver antenna are presented to help direct the design of equalization weight in a more optimal manner. System simulations demonstrate the significant performance gain over conventional Rake receiver and high potential of MIMO HSDPA for high-data-rate packet transmission.更多还原