双智能反射平面辅助无线携能通信系统的安全通信优化

doi:10.11959/j.issn.1000-0801.2022015

电信科学 ›› 2022, Vol. 38 ›› Issue (1): 47-60.doi: 10.11959/j.issn.1000-0801.2022015

双智能反射平面辅助无线携能通信系统的安全通信优化

陈健锋¹, 崔苗¹^,², 张广驰¹^,³, 武庆庆⁴, 曾慧²

¹ 广东工业大学信息工程学院，广东广州 510006
² 中国电子科技集团公司第七研究所，广东广州 510310
³ 广东省信息光子技术重点实验室，广东广州 510006
⁴ 澳门大学智慧城市物联网国家重点实验室，澳门 999078

修回日期:2021-12-06 出版日期:2022-01-20 发布日期:2022-01-01
作者简介:陈健锋（1998- ），男，广东工业大学信息工程学院硕士生，主要研究方向为智能反射面和物理层安全
崔苗（1978- ），女，广东工业大学信息工程学院讲师，主要研究方向为新一代无线通信技术
张广驰（1982- ），男，广东工业大学信息工程学院教授，主要研究方向为新一代无线通信技术
武庆庆（1991- ），男，博士，澳门大学助理教授、科睿唯安全球高被引科学家，主要研究方向为智能反射面等新一代无线通信技术
曾慧（1983- ），男，现任职于中国电子科技集团公司第七研究所，主要研究方向为通信系统设计、物联网系统应用等
基金资助:
国家重点研发计划项目(2020YFB1805300);广东省科技计划项目(2021A0505030015);广东省科技计划项目(2020A050515010);广东省科技计划项目(2019B010119001);澳门科学技术发展基金项目(SKL-IOTSC(UM)-2021-2023);澳门科学技术发展基金项目(0119/2020/A3);澳门科学技术发展基金项目(0108/2020/A);广东省自然科学基金资助项目(2021A1515011900);东南大学移动通信国家重点实验室公开项目(2021D15);广东特支计划项目(2019TQ05X409)

Secure communication optimization for double-IRS assisted SWIPT system

Jianfeng CHEN¹, Miao CUI¹^,², Guangchi ZHANG¹^,³, Qingqing WU⁴, Hui ZENG²

¹ School of Information Engineering, Guangdong University of Technology, Guangzhou 510006, China
² No.7 Research Institute of China Electronics Technology Group Cooperation, Guangzhou 510310, China
³ Guangdong Provincial Key Laboratory of Information Photonics Technology, Guangzhou 510006, China
⁴ State Key Laboratory of Internet of Things for Smart City, University of Macau, Macau 999078, China

Revised:2021-12-06 Online:2022-01-20 Published:2022-01-01
Supported by:
The National Key Research and Development Program of China(2020YFB1805300);The Science and Technology Plan Project of Guangdong Province(2021A0505030015);The Science and Technology Plan Project of Guangdong Province(2020A050515010);The Science and Technology Plan Project of Guangdong Province(2019B010119001);Science and Technology Development Fund of Macau SAR(SKL-IOTSC(UM)-2021-2023);Science and Technology Development Fund of Macau SAR(0119/2020/A3);Science and Technology Development Fund of Macau SAR(0108/2020/A);The Natural Science Foundation of Guangdong Province(2021A1515011900);The Open Research Fund of National Mobile Communications Research Laboratory, Southeast University(2021D15);Special Support Plan for High-Level Talents of Guangdong Province(2019TQ05X409)

摘要/Abstract

摘要：

摘要：研究采用两个智能反射平面保障无线携能通信系统信息传输的物理层安全。通过联合优化两个智能反射平面的反射波束成形和基站的发射波束成形以最大化系统的总信息传输速率，同时满足基站的发射功率约束、能量收集用户的最小能量收集约束与最大窃听速率约束，以及智能反射平面反射系数的模一约束。由于存在两个智能反射平面之间的反射链路，所构建优化问题的优化变量高度耦合，难以直接求解。提出一种基于交替优化、半正定松弛和连续凸逼近的算法求问题的次优解。仿真结果表明，与现有的基准方案相比，所提算法能在保证信息传输安全和满足能量传输要求的情况下大幅提高系统的总数据速率。

关键词: 双智能反射平面, 无线携能通信, 物理层安全

Abstract:

Two intelligent reflecting surfaces (IRS) was applied to ensure the physical layer security of the information transmission in a simultaneous wireless information and power transfer (SWIPT) system, where a multi-antenna base station (BS) simultaneously transmits information and energy to multiple single-antenna information receivers (IR) and energy receivers (ER) and the ERs are regarded as potential information eavesdroppers.The system deploys two IRSs to ensure the security of information transmission while meeting the requirements of energy transmission.Due to the inter-IRS signal reflection, the variables of the considered optimization problem are highly coupled, thus the problem is difficult to solve.To tackle this difficulty, an algorithm based on the alternating optimization, semidefinite relaxation, and successive convex approximation methods was proposed to obtain a suboptimal solution to the problem.Simulation results show that the proposed algorithm can significantly increase the total rate of the IRs and guarantee the security of the information transmission and the requirement of energy transmission, as compared to some existing benchmark schemes.

Key words: double-intelligent reflecting surface, simultaneous wireless information and power transfer, physical layer security

中图分类号:

TN929

陈健锋, 崔苗, 张广驰, 武庆庆, 曾慧. 双智能反射平面辅助无线携能通信系统的安全通信优化[J]. 电信科学, 2022, 38(1): 47-60.

Jianfeng CHEN, Miao CUI, Guangchi ZHANG, Qingqing WU, Hui ZENG. Secure communication optimization for double-IRS assisted SWIPT system[J]. Telecommunications Science, 2022, 38(1): 47-60.

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双智能反射平面辅助无线携能通信系统的安全通信优化

Secure communication optimization for double-IRS assisted SWIPT system

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