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首页> 外文期刊>IEICE Transactions on Communications >An Iterative Cyclic Prefix Reconstruction Technique For Multi-antenna Single-carrier Transmission Systems Over Multipath Wireless Channels
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An Iterative Cyclic Prefix Reconstruction Technique For Multi-antenna Single-carrier Transmission Systems Over Multipath Wireless Channels

机译：多径无线信道上多天线单载波传输系统的迭代循环前缀重建技术

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摘要

In this paper, an efficient cyclic prefix reconstruction (CPR) technique with turbo equalization is developed for multi-antenna single-carrier frequency-domain equalization (SC-FDE) systems, which are for multi-input multi-output (MIMO), space-time block code (STBC), and space-frequency block code (SFBC) applications. The proposed method includes pre-processing estimation (PPE), weighted interblock interference cancellation (WIBIC), or residual intercarrier interference suppression (RICIS). PPE is employed to compute initial values of MIMO turbo equalization and the WIBIC is developed to cancel interblock interference (IBI) at the initial iteration of the CPR for STBC SC-FDE. RICIS is used to mitigate residual intercarrier interference (ICI) after each iteration of the CPR. By applying the proposed method to the multi-antenna SC-FDE system with insufficient cyclic prefix (CP), we can significantly improve its error performance, obtaining the benefits of spectral efficiency gain and multiplexing/diversity gain in MIMO/STBC/SFBC.
机译：本文为多天线单载波频域均衡（SC-FDE）系统开发了一种具有Turbo均衡的有效循环前缀重构（CPR）技术，该系统用于多输入多输出（MIMO）空间时分组码（STBC）和空频分组码（SFBC）应用。所提出的方法包括预处理估计（PPE），加权块间干扰消除（WIBIC）或残余载波间干扰抑制（RICIS）。 PPE用于计算MIMO Turbo均衡的初始值，而WIBIC用于在STPR SC-FDE的CPR初始迭代时消除块间干扰（IBI）。 RICIS用于减轻CPR每次迭代后的残留载波间干扰（ICI）。通过将所提出的方法应用于循环前缀（CP）不足的多天线SC-FDE系统，可以显着提高其误码性能，从而获得频谱效率增益和MIMO / STBC / SFBC复用/分集增益的优势。

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