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- Publisher Website: 10.1109/TVT.2023.3243545
- Scopus: eid_2-s2.0-85148438898
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Article: Security Enhancement for Coupled Phase-Shift STAR-RIS Networks
Title | Security Enhancement for Coupled Phase-Shift STAR-RIS Networks |
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Authors | |
Keywords | Beamforming coupled phase shifts physical layer security simultaneous transmission and reflection (STAR) |
Issue Date | 2023 |
Citation | IEEE Transactions on Vehicular Technology, 2023, v. 72, n. 6, p. 8210-8215 How to Cite? |
Abstract | The secure transmission of the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided communication system is investigated. Considering the coupled phase shifts of STAR-RISs and the fair secrecy requirement of users, a new secure beamforming design is proposed for addressing the unique full-space mutual eavesdropping in STAR-RIS aided communications. In particular, a penalty-based secrecy beamforming algorithm is proposed to solve the resulting non-convex optimization problem, where closed-form solutions of the coupled phase-shift coefficients are obtained in each iteration. Numerical results demonstrate that 1) the proposed scheme achieves higher secrecy capacity than conventional RIS; 2) 4-bit discrete phase shifters are sufficient for secrecy guarantee. |
Persistent Identifier | http://hdl.handle.net/10722/349869 |
ISSN | 2023 Impact Factor: 6.1 2023 SCImago Journal Rankings: 2.714 |
DC Field | Value | Language |
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dc.contributor.author | Zhang, Zheng | - |
dc.contributor.author | Wang, Zhaolin | - |
dc.contributor.author | Liu, Yuanwei | - |
dc.contributor.author | He, Bingtao | - |
dc.contributor.author | Lv, Lu | - |
dc.contributor.author | Chen, Jian | - |
dc.date.accessioned | 2024-10-17T07:01:31Z | - |
dc.date.available | 2024-10-17T07:01:31Z | - |
dc.date.issued | 2023 | - |
dc.identifier.citation | IEEE Transactions on Vehicular Technology, 2023, v. 72, n. 6, p. 8210-8215 | - |
dc.identifier.issn | 0018-9545 | - |
dc.identifier.uri | http://hdl.handle.net/10722/349869 | - |
dc.description.abstract | The secure transmission of the simultaneously transmitting and reflecting reconfigurable intelligent surface (STAR-RIS) aided communication system is investigated. Considering the coupled phase shifts of STAR-RISs and the fair secrecy requirement of users, a new secure beamforming design is proposed for addressing the unique full-space mutual eavesdropping in STAR-RIS aided communications. In particular, a penalty-based secrecy beamforming algorithm is proposed to solve the resulting non-convex optimization problem, where closed-form solutions of the coupled phase-shift coefficients are obtained in each iteration. Numerical results demonstrate that 1) the proposed scheme achieves higher secrecy capacity than conventional RIS; 2) 4-bit discrete phase shifters are sufficient for secrecy guarantee. | - |
dc.language | eng | - |
dc.relation.ispartof | IEEE Transactions on Vehicular Technology | - |
dc.subject | Beamforming | - |
dc.subject | coupled phase shifts | - |
dc.subject | physical layer security | - |
dc.subject | simultaneous transmission and reflection (STAR) | - |
dc.title | Security Enhancement for Coupled Phase-Shift STAR-RIS Networks | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1109/TVT.2023.3243545 | - |
dc.identifier.scopus | eid_2-s2.0-85148438898 | - |
dc.identifier.volume | 72 | - |
dc.identifier.issue | 6 | - |
dc.identifier.spage | 8210 | - |
dc.identifier.epage | 8215 | - |
dc.identifier.eissn | 1939-9359 | - |