Resource allocation algorithm for intelligent reflecting surface-aided SWIPT networks
In order to achieve the efficient interconnection of everything, under the limitations of terminal devices’ batteries and network coverage, the intelligent reflecting surface (IRS) technology was introduced to build a new IRS-aided simultaneous wireless information and power transfer (SWIPT) network...
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| Format: | Article |
| Language: | zho |
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Editorial Department of Journal on Communications
2022-02-01
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| Series: | Tongxin xuebao |
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| Online Access: | http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2022023/ |
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| author | Wei SUN Qingyang SONG Lei GUO |
| author_facet | Wei SUN Qingyang SONG Lei GUO |
| author_sort | Wei SUN |
| collection | DOAJ |
| description | In order to achieve the efficient interconnection of everything, under the limitations of terminal devices’ batteries and network coverage, the intelligent reflecting surface (IRS) technology was introduced to build a new IRS-aided simultaneous wireless information and power transfer (SWIPT) network.To further improve the total throughput of the network, a resource allocation (RA) scheme aiming at sum-rate maximization was proposed.Considering that the constraints of the maximum transmit power of a base station, the minimum energy requirement of each device and the phase shifts on an IRS, a joint transmit beamforming, power splitting (PS) ratio and phase shift optimization problem was formulated.Due to the non-convex problem and coupled variables, a block coordinate descent (BCD)-based algorithm was proposed.Then, the joint transmit beam forming design, PS ratio optimization and phase shift design were solved by using the successive convex approximation (SCA) and Riemannian manifold methods, respectively.Simulation results show that the proposed RA scheme performs better than the existing RA schemes in terms of sum-rate. |
| format | Article |
| id | doaj-art-66f116f044424f418378c2a348e9c5c8 |
| institution | Kabale University |
| issn | 1000-436X |
| language | zho |
| publishDate | 2022-02-01 |
| publisher | Editorial Department of Journal on Communications |
| record_format | Article |
| series | Tongxin xuebao |
| spelling | doaj-art-66f116f044424f418378c2a348e9c5c82025-01-14T06:29:26ZzhoEditorial Department of Journal on CommunicationsTongxin xuebao1000-436X2022-02-0143344359394122Resource allocation algorithm for intelligent reflecting surface-aided SWIPT networksWei SUNQingyang SONGLei GUOIn order to achieve the efficient interconnection of everything, under the limitations of terminal devices’ batteries and network coverage, the intelligent reflecting surface (IRS) technology was introduced to build a new IRS-aided simultaneous wireless information and power transfer (SWIPT) network.To further improve the total throughput of the network, a resource allocation (RA) scheme aiming at sum-rate maximization was proposed.Considering that the constraints of the maximum transmit power of a base station, the minimum energy requirement of each device and the phase shifts on an IRS, a joint transmit beamforming, power splitting (PS) ratio and phase shift optimization problem was formulated.Due to the non-convex problem and coupled variables, a block coordinate descent (BCD)-based algorithm was proposed.Then, the joint transmit beam forming design, PS ratio optimization and phase shift design were solved by using the successive convex approximation (SCA) and Riemannian manifold methods, respectively.Simulation results show that the proposed RA scheme performs better than the existing RA schemes in terms of sum-rate.http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2022023/IRSSWIPTresource allocationbeamforming designsum-rate maximization |
| spellingShingle | Wei SUN Qingyang SONG Lei GUO Resource allocation algorithm for intelligent reflecting surface-aided SWIPT networks Tongxin xuebao IRS SWIPT resource allocation beamforming design sum-rate maximization |
| title | Resource allocation algorithm for intelligent reflecting surface-aided SWIPT networks |
| title_full | Resource allocation algorithm for intelligent reflecting surface-aided SWIPT networks |
| title_fullStr | Resource allocation algorithm for intelligent reflecting surface-aided SWIPT networks |
| title_full_unstemmed | Resource allocation algorithm for intelligent reflecting surface-aided SWIPT networks |
| title_short | Resource allocation algorithm for intelligent reflecting surface-aided SWIPT networks |
| title_sort | resource allocation algorithm for intelligent reflecting surface aided swipt networks |
| topic | IRS SWIPT resource allocation beamforming design sum-rate maximization |
| url | http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2022023/ |
| work_keys_str_mv | AT weisun resourceallocationalgorithmforintelligentreflectingsurfaceaidedswiptnetworks AT qingyangsong resourceallocationalgorithmforintelligentreflectingsurfaceaidedswiptnetworks AT leiguo resourceallocationalgorithmforintelligentreflectingsurfaceaidedswiptnetworks |