SC-MIMO空间复用的联合迭代Tx/Rx MMSE滤波与干扰消除

Shinya Kumagai, F. Adachi
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引用次数: 1

摘要

最近,我们提出了一种基于最小均方误差准则的宽带单载波(SC)多输入多输出(MIMO)空间复用(SM)联合发射/接收空间/频率滤波(联合Tx/Rx MMSE滤波)。联合Tx/Rx MMSE滤波后残留的码间干扰(ISI)限制了传输性能的提高。引入迭代干扰抵消(IC)技术可以有效地抑制残留的ISI,进一步提高传输性能。本文提出了一种用于SC-MIMO-SM的联合迭代Tx/Rx MMSE滤波和集成电路,并推导出最优Tx/Rx滤波器。通过计算机仿真表明,联合迭代Tx/Rx MMSE滤波和IC可以显著提高turbo编码SC-MIMO-SM的平均误码率(BER)性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Joint iterative Tx/Rx MMSE filtering & interference cancellation for SC-MIMO spatial multiplexing
Recently, we proposed a joint transmit/receive spatial/frequency filtering based on minimum mean square error criterion (joint Tx/Rx MMSE filtering) for broadband single-carrier (SC) multiple-input multiple-output (MIMO) spatial multiplexing (SM). The residual inter-symbol interference (ISI) after joint Tx/Rx MMSE filtering limits the improvement of transmission performance. The introduction of iterative interference cancellation (IC) is effective to suppress the residual ISI and further improves the transmission performance. In this paper, we propose a joint iterative Tx/Rx MMSE filtering & IC for SC-MIMO-SM, and derive the optimal Tx/Rx filters. We show, by computer simulation, that joint iterative Tx/Rx MMSE filtering & IC can significantly improve the average bit error rate (BER) performance of turbo coded SC-MIMO-SM.
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