Secure beamforming design for IRS-assisted SWIPT Internet of things system
In order to meet the new requirements of intelligent signal processing deployment and physical layer security for green interconnection of things, a design method of secure beamforming was proposed to solve the problem of the shortage of sustainable energy supply in the information and energy transm...
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| Main Authors: | , , , , |
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2021-04-01
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| Series: | Tongxin xuebao |
| Subjects: | |
| Online Access: | http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2021060/ |
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| _version_ | 1841539301210324992 |
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| author | Zhengyu ZHU Jinlei XU Gangcan SUN Ning WANG Wanming HAO |
| author_facet | Zhengyu ZHU Jinlei XU Gangcan SUN Ning WANG Wanming HAO |
| author_sort | Zhengyu ZHU |
| collection | DOAJ |
| description | In order to meet the new requirements of intelligent signal processing deployment and physical layer security for green interconnection of things, a design method of secure beamforming was proposed to solve the problem of the shortage of sustainable energy supply in the information and energy transmission at the same time Internet of things (IoT) system assisted by intelligent reflecting surface (IRS).Considering the constraints of secrecy rate, transmit power and IRS reflection phase shift, the optimization problem was modeled as a non-convex quadratic programming problem with quadratic constraints, aiming at maximizing the acquisition power of energy collector, and jointly optimizing the base station transmit beamforming matrix, jammer covariance matrix and IRS phase shift.The non-convex quadratic problem was transformed into an equivalent convex problem by using the relaxation variable, semidefinite relaxation method, auxiliary variable and sequence parameter convex approximation method, and an alternative iterative optimization algorithm was proposed to obtain the feasible solution of the original problem.Simulation results show that the proposed algorithm can converge quickly and improve performance effectively compared with the benchmark scheme. |
| format | Article |
| id | doaj-art-b1754a512d87424bb8e229d2563b4e11 |
| institution | Kabale University |
| issn | 1000-436X |
| language | zho |
| publishDate | 2021-04-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-b1754a512d87424bb8e229d2563b4e112025-01-14T07:22:02ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2021-04-014218519359741672Secure beamforming design for IRS-assisted SWIPT Internet of things systemZhengyu ZHUJinlei XUGangcan SUNNing WANGWanming HAOIn order to meet the new requirements of intelligent signal processing deployment and physical layer security for green interconnection of things, a design method of secure beamforming was proposed to solve the problem of the shortage of sustainable energy supply in the information and energy transmission at the same time Internet of things (IoT) system assisted by intelligent reflecting surface (IRS).Considering the constraints of secrecy rate, transmit power and IRS reflection phase shift, the optimization problem was modeled as a non-convex quadratic programming problem with quadratic constraints, aiming at maximizing the acquisition power of energy collector, and jointly optimizing the base station transmit beamforming matrix, jammer covariance matrix and IRS phase shift.The non-convex quadratic problem was transformed into an equivalent convex problem by using the relaxation variable, semidefinite relaxation method, auxiliary variable and sequence parameter convex approximation method, and an alternative iterative optimization algorithm was proposed to obtain the feasible solution of the original problem.Simulation results show that the proposed algorithm can converge quickly and improve performance effectively compared with the benchmark scheme.http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2021060/intelligent reflecting surfaceInternet of thingssimultaneous wireless information and power transfer systemsecure beamformingenergy harvest |
| spellingShingle | Zhengyu ZHU Jinlei XU Gangcan SUN Ning WANG Wanming HAO Secure beamforming design for IRS-assisted SWIPT Internet of things system Tongxin xuebao intelligent reflecting surface Internet of things simultaneous wireless information and power transfer system secure beamforming energy harvest |
| title | Secure beamforming design for IRS-assisted SWIPT Internet of things system |
| title_full | Secure beamforming design for IRS-assisted SWIPT Internet of things system |
| title_fullStr | Secure beamforming design for IRS-assisted SWIPT Internet of things system |
| title_full_unstemmed | Secure beamforming design for IRS-assisted SWIPT Internet of things system |
| title_short | Secure beamforming design for IRS-assisted SWIPT Internet of things system |
| title_sort | secure beamforming design for irs assisted swipt internet of things system |
| topic | intelligent reflecting surface Internet of things simultaneous wireless information and power transfer system secure beamforming energy harvest |
| url | http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2021060/ |
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