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Active Physical-Layer Network Coding for Cooperative Two-Way Relay Channels

机译:双向中继通道的主动物理层网络编码

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For wireless networks, traditional multihop routing, digital network coding (DNC) and physical-layer network coding (PNC) do not make full use of nonorthogonal signal subspace. We develop an active physical-layer network coding (APNC) strategy, introducing bi-directional interference to both destinations in a cooperative two-way relay channel (CTRC), which works on symbol level and uses arbitrary level of overhearing ability to increase the system overall performance. A diversity and multiplexing tradeoff (DMT) study is conducted. The result shows APNC is more general and flexible with great DMT improvement compared to state-of-the-art transmission strategies.
机译:对于无线网络,传统的多跳路由,数字网络编码(DNC)和物理层网络编码(PNC)并未充分利用非正交信号子空间。我们开发了一种主动的物理层网络编码(APNC)策略,在双向双向中继信道(CTRC)中向两个目的地引入了双向干扰,该双向干扰在符号级别上起作用,并使用任意级别的监听能力来增强系统整体表现。进行了分集和多路复用权衡(DMT)研究。结果表明,与最新的传输策略相比,APNC更通用,更灵活,并且DMT有了很大的改进。

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