Hybrid Precoding Based on Partial Connection for Millimeter-Wave Massive MIMO System
Aiming at poor system performance in existing partially connected hybrid precoding schemes, in this paper, we propose a partially connected hybrid precoding scheme based on alternating optimization with the auxiliary precoder. In particular, the spectral efficiency optimization problem is transforme...
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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MDPI AG
2022-07-01
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| Series: | Electronics |
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| Online Access: | https://www.mdpi.com/2079-9292/11/14/2238 |
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| author | Haiyan Cao Qianhong Chen Jiale Peng Zhongliang Wang Fangmin Xu |
| author_facet | Haiyan Cao Qianhong Chen Jiale Peng Zhongliang Wang Fangmin Xu |
| author_sort | Haiyan Cao |
| collection | DOAJ |
| description | Aiming at poor system performance in existing partially connected hybrid precoding schemes, in this paper, we propose a partially connected hybrid precoding scheme based on alternating optimization with the auxiliary precoder. In particular, the spectral efficiency optimization problem is transformed into a sub-optimization problem under certain constraints. For each sub-optimization problem, we use the singular value decomposition method to optimize the analog precoder and digital precoder alternately, and optimal solutions are provided for both digital and analog precoders in each alternate iteration. Moreover, we design a heuristic algorithm to calculate the initial analog precoder as the starting point for alternating optimization, which speeds up the convergence speed. The simulation results show that the proposed algorithm is at least 16.2% higher than the existing two traditional partially connected algorithms at 20 dB received SNR with almost no increase in complexity. |
| first_indexed | 2024-03-09T03:29:37Z |
| format | Article |
| id | doaj.art-929e2717e341428792ddbe8deecdebcc |
| institution | Directory Open Access Journal |
| issn | 2079-9292 |
| language | English |
| last_indexed | 2024-03-09T03:29:37Z |
| publishDate | 2022-07-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Electronics |
| spelling | doaj.art-929e2717e341428792ddbe8deecdebcc2023-12-03T14:57:32ZengMDPI AGElectronics2079-92922022-07-011114223810.3390/electronics11142238Hybrid Precoding Based on Partial Connection for Millimeter-Wave Massive MIMO SystemHaiyan Cao0Qianhong Chen1Jiale Peng2Zhongliang Wang3Fangmin Xu4School of Telecommunication Engineering, Hangzhou Dianzi University, Hangzhou 310018, ChinaSchool of Telecommunication Engineering, Hangzhou Dianzi University, Hangzhou 310018, ChinaSchool of Telecommunication Engineering, Hangzhou Dianzi University, Hangzhou 310018, ChinaSchool of Telecommunication Engineering, Hangzhou Dianzi University, Hangzhou 310018, ChinaSchool of Telecommunication Engineering, Hangzhou Dianzi University, Hangzhou 310018, ChinaAiming at poor system performance in existing partially connected hybrid precoding schemes, in this paper, we propose a partially connected hybrid precoding scheme based on alternating optimization with the auxiliary precoder. In particular, the spectral efficiency optimization problem is transformed into a sub-optimization problem under certain constraints. For each sub-optimization problem, we use the singular value decomposition method to optimize the analog precoder and digital precoder alternately, and optimal solutions are provided for both digital and analog precoders in each alternate iteration. Moreover, we design a heuristic algorithm to calculate the initial analog precoder as the starting point for alternating optimization, which speeds up the convergence speed. The simulation results show that the proposed algorithm is at least 16.2% higher than the existing two traditional partially connected algorithms at 20 dB received SNR with almost no increase in complexity.https://www.mdpi.com/2079-9292/11/14/2238millimeter-wave massive MIMOpartially connected architecturealternating optimizationequivalent channelspectral efficiency |
| spellingShingle | Haiyan Cao Qianhong Chen Jiale Peng Zhongliang Wang Fangmin Xu Hybrid Precoding Based on Partial Connection for Millimeter-Wave Massive MIMO System Electronics millimeter-wave massive MIMO partially connected architecture alternating optimization equivalent channel spectral efficiency |
| title | Hybrid Precoding Based on Partial Connection for Millimeter-Wave Massive MIMO System |
| title_full | Hybrid Precoding Based on Partial Connection for Millimeter-Wave Massive MIMO System |
| title_fullStr | Hybrid Precoding Based on Partial Connection for Millimeter-Wave Massive MIMO System |
| title_full_unstemmed | Hybrid Precoding Based on Partial Connection for Millimeter-Wave Massive MIMO System |
| title_short | Hybrid Precoding Based on Partial Connection for Millimeter-Wave Massive MIMO System |
| title_sort | hybrid precoding based on partial connection for millimeter wave massive mimo system |
| topic | millimeter-wave massive MIMO partially connected architecture alternating optimization equivalent channel spectral efficiency |
| url | https://www.mdpi.com/2079-9292/11/14/2238 |
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