Covert Communication with Relay Selection

Su, Yinjie; Sun, Hongjian; Zhang, Zhenkai; Lian, Zhuxian; Xie, Zhibin; Wang, Yajun

Abstract

In this letter, we investigate covert communication in relay networks with relay selection. We consider the scenario that while forwarding the source’s message, the selected relay opportunistically transmits its own message to the destination covertly. We derive the probability of detection error (PDE) and the average covert rate (ACR) in a closed form, based on which we analyse the effects of system parameters on the performance of the covert communication. Our analysis indicates that applying relay selection causes a decrease in the PDE, however, it can provide an ACR gain when the transmission rate of the source increases.

Citation

Su, Y., Sun, H., Zhang, Z., Lian, Z., Xie, Z., & Wang, Y. (2021). Covert Communication with Relay Selection. IEEE Wireless Communications Letters, 10(2), 421-425. https://doi.org/10.1109/lwc.2020.3033786

• Journal Article Type: Article
• Acceptance Date: Oct 21, 2020
• Online Publication Date: Oct 27, 2020
• Publication Date: 2021-02
• Deposit Date: Oct 26, 2020
• Publicly Available Date: Oct 26, 2020
• Journal: IEEE Wireless Communications Letters
• Print ISSN: 2162-2337
• Publisher: Institute of Electrical and Electronics Engineers
• Peer Reviewed: Peer Reviewed
• Volume: 10
• Issue: 2
• Pages: 421-425
• DOI: https://doi.org/10.1109/lwc.2020.3033786