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Full-duplex SIC design and power allocation for dual-functional radar-communication systems
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Chen, Li, Wang, Zhiqin, Jiang, Jiamo, Chen, Yunfei and Yu, F. Richard (2023) Full-duplex SIC design and power allocation for dual-functional radar-communication systems. IEEE Wireless Communications Letters . doi:10.1109/lwc.2022.3222197 ISSN 2162-2337. (In Press)
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Official URL: https://doi.org/10.1109/LWC.2022.3222197
Abstract
To meet the requirements for simultaneous sensing and communication, full-duplex operation is essential for dual-functional radar-communication (DFRC) systems. In this work, both the full-duplex self-interference cancellation (SIC) and the corresponding power allocation problem is studied for a pulsed DFRC system. First, a full-duplex design is provided, and the radar signal to interference-plus-noise ratio (SINR) and the communication rate are derived considering imperfect full-duplex SIC. Then, a max-min-ratio problem is formulated to maximize the radar SINR under the constraint of the communication rate. For time-invariant channels, a closed-form power allocation solution is derived for both radar and communication pulses. For time-variant channels, we provide an iterative solution by adopting quadratic transform and successive convex approximation (SCA). Simulation results are further given to verify the effectiveness of the proposed designs.
| Item Type: | Journal Article | |||||||||
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| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering | |||||||||
| SWORD Depositor: | Library Publications Router | |||||||||
| Journal or Publication Title: | IEEE Wireless Communications Letters | |||||||||
| Publisher: | IEEE | |||||||||
| ISSN: | 2162-2337 | |||||||||
| Official Date: | 2023 | |||||||||
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| DOI: | 10.1109/lwc.2022.3222197 | |||||||||
| Status: | Peer Reviewed | |||||||||
| Publication Status: | In Press | |||||||||
| Access rights to Published version: | Restricted or Subscription Access | |||||||||
| RIOXX Funder/Project Grant: |
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