A Novel Compress-Forward-Based Hybrid-Duplex Relaying Scheme for Gaussian Relay Channel

Zhengchuan Chen, Quanwei Xiang, Zhong Tian, Min Wang, Dapeng O. Wu, Tony Q.S. Quek

研究成果: Article同行評審


Full-duplex (FD) transmission has great potential to improve the transmission rate of the relay channel. To alleviate the effect of self-interference at the FD relay, we propose a novel hybrid-duplex (HyD) scheme based on compress-forward (CF) protocol, where the relay operates in receive-only, FD and transmit-only modes consecutively. The signalling, encoding and decoding procedures are characterized clearly based on Wyner-Ziv coding with side information. The transmission rate achieved by the proposed HyD scheme is derived in closed-form. Two variants of the proposed HyD scheme are also elaborated, which are demonstrated to achieve transmission rates no less than that of pure FD and half-duplex CF schemes. Numerical results show that the proposed HyD scheme and the two variants outperform existing benchmark schemes for most cases and provide an achievable rate gain up to 10.16% for some cases.

頁(從 - 到)854-858
期刊IEEE Wireless Communications Letters
出版狀態Published - 2024 3月 1

All Science Journal Classification (ASJC) codes

  • 控制與系統工程
  • 電氣與電子工程


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