Secure symbol level precoding for cell-free network based on band-region constraint of the eavesdropper's receiving signal

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外文标题：Secure symbol level precoding for cell-free network based on band-region constraint of the eavesdropper's receiving signal

外文摘要：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.

外文关键词：

cell-freesymbol-level precoding(SLP)physical layer security(PLS)multi-ple-input multiple-output(MIMO)band-region constraint

作者：

李泽文、JIN Yong、FU Chunling、PENG Xin、HU Zhentao

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作者单位：

School of Artifical Intelligence,Henan University,Zhengzhou 450000,P.R.China

School of Physics and Electronics,Henan University,Kaifeng 475000,P.R.China

关键词：

cell-free symbol-level precoding(SLP) physical layer security(PLS) multi-ple-input multiple-output(MIMO) band-region constraint

出版年：

2024

DOI：

10.3772/j.issn.1006-6748.2024.03.010

高技术通讯(英文版)

中国科学技术信息研究所（ISTIC）

高技术通讯(英文版)

影响因子：0.058

ISSN：1006-6748

年,卷(期)：2024.30(3)