Turbo packet combining for broadband MIMO relay communication

T. Ait-Idir, H. Chafnaji, H. Yanikomeroglu, S. Saoudi
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引用次数: 1

Abstract

In this paper, we provide a survey of cooperative automatic repeat request (ARQ) protocols for multi-relay systems operating over multiple-input-multiple-output (MIMO) broadband channels. We study three main operating modes: amplify-and-forward (AF), decode-and-forward (DF), and positive/negative acknowledgment (ACK/NACK)-aided DF. We describe efficient minimum mean square error (MMSE) frequency domain equalization (FDE) iterative turbo packet combining techniques for cooperative ARQ, and show that they outperform conventional log-likelihood ratio (LLR)-based turbo combining.
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宽带MIMO中继通信的Turbo分组组合
本文综述了在多输入多输出(MIMO)宽带信道上运行的多中继系统的协作式自动重复请求(ARQ)协议。我们研究了三种主要的工作模式:放大和转发(AF),解码和转发(DF)和正/负确认(ACK/NACK)辅助的DF。我们描述了有效的最小均方误差(MMSE)频域均衡(FDE)迭代turbo包组合技术,并表明该技术优于传统的基于对数似然比(LLR)的turbo组合技术。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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