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首页> 外文期刊>電子情報通信学会技術研究報告. 無線通信システム. Radio Communication Systems >Parallel-type coherent multi-stage interference canceller using multiple antenna reception in DS-CDMA reverse link
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Parallel-type coherent multi-stage interference canceller using multiple antenna reception in DS-CDMA reverse link

机译：双天线接收在DS-CDMA反向链路中的并行式相干多级干扰器

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摘要

This paper investigated the performance of parallel-type coherent multi-stage interference canceller (COMSIC) with iterative channel estimation using multiple antenna (6-antenna) reception in DS-CDMA reverse link by computer simulation. The computer simulation results showed that the 2-blockwise antenna configuration with large separation (small fading correlation between blocks), each block having 3-antenna with small antenna separation (large fading correlation) (hereafter denoted as (3+3)) can decrease the required transmit E{sub}b/N{sub}0 owing to the improved space diversity effect and channel estimation. It was also shown that the required transmit E{sub}b/N{sub}0 at the average BER of 10{sub}-3 with parallel-type COMSIC using (3+3)-antenna reception could be decreased by approximately 5.3 (5.7) dB compared to the case using 2-branch antenna diversity reception when the number of the multipaths was L=2(3) and that of the active users was K=20.
机译：本文研究了通过计算机仿真在DS-CDMA反向链路中使用多天线（6-天线）接收的迭代信道估计的并行型相干多级干扰消除器（COMSIC）的性能。 计算机仿真结果表明，具有大分离的2-块状天线配置（块之间的小衰落相关性），每个块具有小天线分离的3-天线（大衰落相关）（以下表示（3 + 3））可以减少 由于改进的空间分集效应和信道估计，所需的传输e {sub} b / n {sub} 0。 还示出了在使用（3 + 3） - antenna接收的平行型COMSIC的10 {Sub} -3的平均BER的所需传输e {sub} b / n {sub} 0可以减少大约5.3 （5.7）DB与使用2-分支天线分集接收的情况相比，当多径的数量为L = 2（3）并且有源用户的k = 20时。

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