| LI Zewen(李泽文)*,JIN Yong*,FU Chunling**,PENG Xin*,HU Zhentao*.[J].高技术通讯(英文),2024,30(3):304~309 |
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| Secure symbol level precoding for cell-free network based on band-region constraint of the eavesdropper’ s receiving signal |
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| DOI：10. 3772 / j. issn. 1006-6748. 2024. 03. 010 |
| 中文关键词: |
| 英文关键词: cell-free, symbol-level precoding( SLP), physical layer security( PLS), multiple-input multiple-output (MIMO), band-region constraint |
| 基金项目: |
| Author Name | Affiliation | | LI Zewen(李泽文)* | ( * School of Artifical Intelligence, Henan University, Zhengzhou 450000, P. R. China)
( ** School of Physics and Electronics, Henan University, Kaifeng 475000, P. R. China) | | JIN Yong* | | | FU Chunling** | | | PENG Xin* | | | HU Zhentao* | |
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| 中文摘要: |
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| 英文摘要: |
| A symbol level secure precoding scheme based on band-region constraint of the eavesdropper’s
receiving signal is proposed to enhance the energy efficiency of cell-free multiple-input multiple-output
(MIMO) networks in the presence of an eavesdropper while guaranteeing the quality of service (QoS)
of user and the security of system. Moreover, to lighten its high computational complexity, original
problem is divided into several cascade sub-problems firstly, and then those sub-problems are handled
by combining Lagrangian dual function and improved Hooke-Jeeves method together. Comparative ex-
periment with other secure symbol-level precoding schemes demonstrate that proposed scheme can
achieve the lower power consumption with almost same symbol error rate and QoS of user. |
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