Robust Beamforming Design for SWIPT-Based Multi-Radio Wireless Mesh Network with Cooperative Jamming
Wireless mesh networks (WMNs) can provide flexible wireless connections in a smart city, internet of things (IoT), and device-to-device (D2D) communications. The performance of WMNs can be greatly enhanced by adopting a multi-radio technique, which enables a node to communicate with more nodes simul...
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| Format: | Article |
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MDPI AG
2020-02-01
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| Series: | Information |
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| Online Access: | https://www.mdpi.com/2078-2489/11/3/138 |
| _version_ | 1811330820358537216 |
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| author | Liang Li Xiongwen Zhao Suiyan Geng Yu Zhang Lei Zhang |
| author_facet | Liang Li Xiongwen Zhao Suiyan Geng Yu Zhang Lei Zhang |
| author_sort | Liang Li |
| collection | DOAJ |
| description | Wireless mesh networks (WMNs) can provide flexible wireless connections in a smart city, internet of things (IoT), and device-to-device (D2D) communications. The performance of WMNs can be greatly enhanced by adopting a multi-radio technique, which enables a node to communicate with more nodes simultaneously. However, multi-radio WMNs face two main challenges, namely, energy consumption and physical layer secrecy. In this paper, both simultaneous wireless information and power transfer (SWIPT) and cooperative jamming technologies were adopted to overcome these two problems. We designed the SWIPT and cooperative jamming scheme, minimizing the total transmission power by properly selecting beamforming vectors of the WMN nodes and jammer to satisfy the individual signal-to-interference-plus-noise ratio (SINR) and energy harvesting (EH) constrains. Especially, we considered the channel estimate error caused by the imperfect channel state information. The SINR of eavesdropper (Eve) was suppressed to protect the secrecy of WMN nodes. Due to the fractional form, the problem was proved to be non-convex. We developed a tractable algorithm by transforming it into a convex one, utilizing semi-definite programming (SDP) relaxation and S-procedure methods. The simulation results validated the effectiveness of the proposed algorithm compared with the non-robust design. |
| first_indexed | 2024-04-13T16:09:40Z |
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| id | doaj.art-203eb36b811a4780b028c72fbaee7e6d |
| institution | Directory Open Access Journal |
| issn | 2078-2489 |
| language | English |
| last_indexed | 2024-04-13T16:09:40Z |
| publishDate | 2020-02-01 |
| publisher | MDPI AG |
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| spelling | doaj.art-203eb36b811a4780b028c72fbaee7e6d2022-12-22T02:40:18ZengMDPI AGInformation2078-24892020-02-0111313810.3390/info11030138info11030138Robust Beamforming Design for SWIPT-Based Multi-Radio Wireless Mesh Network with Cooperative JammingLiang Li0Xiongwen Zhao1Suiyan Geng2Yu Zhang3Lei Zhang4North China Electric Power University, Beijing 102206, ChinaNorth China Electric Power University, Beijing 102206, ChinaNorth China Electric Power University, Beijing 102206, ChinaNorth China Electric Power University, Beijing 102206, ChinaShandong Electric Power Research Institute of the State Grid Corporation of China, Jinan 100031, ChinaWireless mesh networks (WMNs) can provide flexible wireless connections in a smart city, internet of things (IoT), and device-to-device (D2D) communications. The performance of WMNs can be greatly enhanced by adopting a multi-radio technique, which enables a node to communicate with more nodes simultaneously. However, multi-radio WMNs face two main challenges, namely, energy consumption and physical layer secrecy. In this paper, both simultaneous wireless information and power transfer (SWIPT) and cooperative jamming technologies were adopted to overcome these two problems. We designed the SWIPT and cooperative jamming scheme, minimizing the total transmission power by properly selecting beamforming vectors of the WMN nodes and jammer to satisfy the individual signal-to-interference-plus-noise ratio (SINR) and energy harvesting (EH) constrains. Especially, we considered the channel estimate error caused by the imperfect channel state information. The SINR of eavesdropper (Eve) was suppressed to protect the secrecy of WMN nodes. Due to the fractional form, the problem was proved to be non-convex. We developed a tractable algorithm by transforming it into a convex one, utilizing semi-definite programming (SDP) relaxation and S-procedure methods. The simulation results validated the effectiveness of the proposed algorithm compared with the non-robust design.https://www.mdpi.com/2078-2489/11/3/138simultaneous wireless information and power transfer (swipt)wireless mesh network (wmn)cooperative jammingrobust beamforming design |
| spellingShingle | Liang Li Xiongwen Zhao Suiyan Geng Yu Zhang Lei Zhang Robust Beamforming Design for SWIPT-Based Multi-Radio Wireless Mesh Network with Cooperative Jamming Information simultaneous wireless information and power transfer (swipt) wireless mesh network (wmn) cooperative jamming robust beamforming design |
| title | Robust Beamforming Design for SWIPT-Based Multi-Radio Wireless Mesh Network with Cooperative Jamming |
| title_full | Robust Beamforming Design for SWIPT-Based Multi-Radio Wireless Mesh Network with Cooperative Jamming |
| title_fullStr | Robust Beamforming Design for SWIPT-Based Multi-Radio Wireless Mesh Network with Cooperative Jamming |
| title_full_unstemmed | Robust Beamforming Design for SWIPT-Based Multi-Radio Wireless Mesh Network with Cooperative Jamming |
| title_short | Robust Beamforming Design for SWIPT-Based Multi-Radio Wireless Mesh Network with Cooperative Jamming |
| title_sort | robust beamforming design for swipt based multi radio wireless mesh network with cooperative jamming |
| topic | simultaneous wireless information and power transfer (swipt) wireless mesh network (wmn) cooperative jamming robust beamforming design |
| url | https://www.mdpi.com/2078-2489/11/3/138 |
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