Fang, Xinran, Feng, Wei, Chen, Yunfei, Ma, Dingyou, Ge, Ning, Liu, Yimin and Feng, Zhiyong (2022) Radio map-based spectrum sharing for joint communication and sensing networks. In: 2022 IEEE/CIC International Conference on Communications in China (ICCC), Foshan City, China, 11-13 Aug 2022. Published in: Proceedings of the 2022 IEEE/CIC International Conference on Communications in China (ICCC) pp. 238-243. ISBN 9781665484800. doi:10.1109/ICCC55456.2022.9880702 ISSN 2377-8644.
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Abstract
Spectrum sharing among different wireless applications, e.g., communication and sensing (C&S), has become increasingly crucial in the upcoming sixth-generation (6G) era. To achieve effective coexistence, mutual interference should be mitigated. Motivated by this, we consider a joint communication and sensing (JCAS) network with distributed multiple-input and multiple-output (MIMO) configuration, and address the interference problem of spectrum sharing. A loose coordination regime is proposed which only requires C&S systems to exchange some position information. To do so, a site-specific database named the radio map is utilized to estimate the slowly-varying large-scale channel state information (CSI). On this basis, a joint power allocation scheme is designed to optimize the radar detection performance under a service constraint of the communication system. To tackle the complex nonlinear problem, the mathematical tools of the auxiliary function method and fraction programming are applied. An iterative algorithm is further proposed to solve this problem in a low-complexity way. Simulation results corroborate that the extrinsic information, i.e., position, is effective for geographically decoupling C&S interference. This will largely reduce the coordination complexity and cost in practice.
| Item Type: | Conference Item (Paper) |
|---|---|
| Divisions: | Faculty of Science, Engineering and Medicine > Engineering > Engineering |
| Journal or Publication Title: | Proceedings of the 2022 IEEE/CIC International Conference on Communications in China (ICCC) |
| Publisher: | IEEE |
| ISBN: | 9781665484800 |
| ISSN: | 2377-8644 |
| Book Title: | 2022 IEEE/CIC International Conference on Communications in China (ICCC) |
| Official Date: | 22 September 2022 |
| Dates: | Date Event 22 September 2022 Published 10 July 2022 Accepted |
| Page Range: | pp. 238-243 |
| DOI: | 10.1109/ICCC55456.2022.9880702 |
| Status: | Peer Reviewed |
| Publication Status: | Published |
| Re-use Statement: | © 2022 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. |
| Access rights to Published version: | Restricted or Subscription Access |
| Copyright Holders: | IEEE |
| RIOXX Funder/Project Grant: | Project/Grant ID RIOXX Funder Name Funder ID 2020YFA0711301 National Key Research and Development Program of China UNSPECIFIED |
| Conference Paper Type: | Paper |
| Title of Event: | 2022 IEEE/CIC International Conference on Communications in China (ICCC) |
| Type of Event: | Conference |
| Location of Event: | Foshan City, China |
| Date(s) of Event: | 11-13 Aug 2022 |
| Related URLs: | |
| URI: | https://wrap.warwick.ac.uk/170729/ |
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