A Novel Hybrid Duplex Scheme for Two-hop Relaying System

Siling Liu, Zhengchuan Chen, Yunjian Jia, Min Wangt, Tony Q.S. Quek

研究成果: Conference contribution

摘要

To take advantages of the high spectral efficiency of full-duplex (FD) mode and control rate reduction caused by the self-interference introduced to the relay receiver, a novel hybrid duplex scheme is proposed where the relay works in FD mode following a duty cycle, and receives-only for the rest of time. After characterizing the achievable rate, a joint FD duty cycle and source power allocation problem is formulated to maximize the achievable rate. It is proved that the optimal source power allocation follows a water-filling algorithm over time. Moreover, the optimal FD duty cycle is obtained by considering low-, medium-, and high-source power cases. Specially, closed-form approximation of the optimal FD duty cycle for medium-source power case is presented. Besides, it is shown that the proposed hybrid duplex scheme degenerates to half-duplex and FD modes for low-and high-source power cases, respectively. Numerical results demonstrate that the proposed scheme can effectively improve the achievable rate for a wide range of parameters.

原文English
主出版物標題2022 IEEE 95th Vehicular Technology Conference - Spring, VTC 2022-Spring - Proceedings
發行者Institute of Electrical and Electronics Engineers Inc.
ISBN(電子)9781665482431
DOIs
出版狀態Published - 2022
事件95th IEEE Vehicular Technology Conference - Spring, VTC 2022-Spring - Helsinki, Finland
持續時間: 2022 6月 192022 6月 22

出版系列

名字IEEE Vehicular Technology Conference
2022-June
ISSN(列印)1550-2252

Conference

Conference95th IEEE Vehicular Technology Conference - Spring, VTC 2022-Spring
國家/地區Finland
城市Helsinki
期間22-06-1922-06-22

All Science Journal Classification (ASJC) codes

  • 電腦科學應用
  • 電氣與電子工程
  • 應用數學

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