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Decision-Feedback Aided Multiple-Symbol Differential Detection in Two-Way Relay Transmission

机译:决策反馈在双向继电器传输中辅助多符号差分检测

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摘要

In this paper, noncoherent transmission algorithms are proposed in a two-way relay transmission (TWRT), where differential space-time block codes based multiple-symbol differential detection (MSDD) is performed. Specifically, generalized likelihood ratio test aided MSDD (GLRT-MSDD) is developed with the exhaustive search in the TWRT. In order to solve the challenging problem of high complexity, the GLRT-MSDD model is reformulated and a decision-feedback aided MSDD (DF-MSDD) model is derived. Furthermore, performance analysis and the simulations confirm that the proposed DF-MSDD provides solid bit error-rate performance with a lower complexity than GLRT-MSDD in the TWRT.
机译:在本文中,在双向继电器传输(TWRT)中提出了非相干传输算法,其中执行基于多符号差分检测(MSDD)的差分空间 - 时间块代码。具体地,通过TWRT中的详尽搜索,开发了广义似然比测试辅助MSDD(GLRT-MSDD)。为了解决高复杂性的具有挑战性的问题,重新制定了GLRT-MSDD模型,派生了决策反馈辅助MSDD(DF-MSDD)模型。此外,性能分析和模拟确认所提出的DF-MSDD在TWRT中提供比GLRT-MSDD的复杂性较低的固体误码率性能。

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  • 来源
    《Mathematical Problems in Engineering》 |2019年第16期|8595091.1-8595091.7|共7页
  • 作者单位

    Lanzhou Univ Technol Sch Comp & Commun Lanzhou 730050 Gansu Peoples R China;

    Lanzhou Univ Technol Sch Comp & Commun Lanzhou 730050 Gansu Peoples R China;

    Lanzhou Univ Technol Sch Comp & Commun Lanzhou 730050 Gansu Peoples R China;

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