IRS-assisted full-duplex ISAC system beamforming design
To address the issues of frequency switching differences between communication and sensing systems in traditional integrated sensing and communication (ISAC) scenarios, as well as the susceptibility of communication to obstruction by obstacles, the integration of full-duplex (FD) technology and inte...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | zho |
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Beijing Xintong Media Co., Ltd
2024-07-01
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| Series: | Dianxin kexue |
| Subjects: | |
| Online Access: | http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2024180/ |
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| _version_ | 1841528888625201152 |
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| author | LIU Qilie WANG Long XIN Yanan FANG Jiacheng CHEN Qianbin TAO Yu |
| author_facet | LIU Qilie WANG Long XIN Yanan FANG Jiacheng CHEN Qianbin TAO Yu |
| author_sort | LIU Qilie |
| collection | DOAJ |
| description | To address the issues of frequency switching differences between communication and sensing systems in traditional integrated sensing and communication (ISAC) scenarios, as well as the susceptibility of communication to obstruction by obstacles, the integration of full-duplex (FD) technology and intelligent reflecting surface (IRS) into the ISAC system was studied. The design of FD beamforming assisted by IRS in the ISAC scenario was investigated. An optimization problem for maximizing the user rates of uplink and downlink beamforming was formulated, considering constraints on IRS phase shift, base station receiving beamforming, the maximum transmission power of the base station, the maximum transmission power of uplink users, and the radar sensing threshold. The original non-convex problem was solved by being transformed into a convex optimization problem through the use of alternating optimization, continuous convex approximation, semi-definite relaxation, variable substitution, and semi-definite programming. Simulation results show that the proposed scheme resulted in an 89.02% enhancement under the communication performance indicators considered compared to the corresponding half-duplex scheme and a 70.15% improvement over the random IRS scheme. |
| format | Article |
| id | doaj-art-c131ecb677844a3fbbaeab310e89b9d3 |
| institution | Kabale University |
| issn | 1000-0801 |
| language | zho |
| publishDate | 2024-07-01 |
| publisher | Beijing Xintong Media Co., Ltd |
| record_format | Article |
| series | Dianxin kexue |
| spelling | doaj-art-c131ecb677844a3fbbaeab310e89b9d32025-01-15T03:33:43ZzhoBeijing Xintong Media Co., LtdDianxin kexue1000-08012024-07-0140637567512872IRS-assisted full-duplex ISAC system beamforming designLIU QilieWANG LongXIN YananFANG JiachengCHEN QianbinTAO YuTo address the issues of frequency switching differences between communication and sensing systems in traditional integrated sensing and communication (ISAC) scenarios, as well as the susceptibility of communication to obstruction by obstacles, the integration of full-duplex (FD) technology and intelligent reflecting surface (IRS) into the ISAC system was studied. The design of FD beamforming assisted by IRS in the ISAC scenario was investigated. An optimization problem for maximizing the user rates of uplink and downlink beamforming was formulated, considering constraints on IRS phase shift, base station receiving beamforming, the maximum transmission power of the base station, the maximum transmission power of uplink users, and the radar sensing threshold. The original non-convex problem was solved by being transformed into a convex optimization problem through the use of alternating optimization, continuous convex approximation, semi-definite relaxation, variable substitution, and semi-definite programming. Simulation results show that the proposed scheme resulted in an 89.02% enhancement under the communication performance indicators considered compared to the corresponding half-duplex scheme and a 70.15% improvement over the random IRS scheme.http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2024180/intelligent reflecting surfaceintegrated sensing and communicationfull-duplexbeamforming |
| spellingShingle | LIU Qilie WANG Long XIN Yanan FANG Jiacheng CHEN Qianbin TAO Yu IRS-assisted full-duplex ISAC system beamforming design Dianxin kexue intelligent reflecting surface integrated sensing and communication full-duplex beamforming |
| title | IRS-assisted full-duplex ISAC system beamforming design |
| title_full | IRS-assisted full-duplex ISAC system beamforming design |
| title_fullStr | IRS-assisted full-duplex ISAC system beamforming design |
| title_full_unstemmed | IRS-assisted full-duplex ISAC system beamforming design |
| title_short | IRS-assisted full-duplex ISAC system beamforming design |
| title_sort | irs assisted full duplex isac system beamforming design |
| topic | intelligent reflecting surface integrated sensing and communication full-duplex beamforming |
| url | http://www.telecomsci.com/zh/article/doi/10.11959/j.issn.1000-0801.2024180/ |
| work_keys_str_mv | AT liuqilie irsassistedfullduplexisacsystembeamformingdesign AT wanglong irsassistedfullduplexisacsystembeamformingdesign AT xinyanan irsassistedfullduplexisacsystembeamformingdesign AT fangjiacheng irsassistedfullduplexisacsystembeamformingdesign AT chenqianbin irsassistedfullduplexisacsystembeamformingdesign AT taoyu irsassistedfullduplexisacsystembeamformingdesign |