智能反射面辅助下设备间通信系统速率研究

符凤婷; 李莉; 张静

doi:10.13756/j.gtxyj.2022.06.012

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智能反射面辅助下设备间通信系统速率研究

无线通信技术 | 更新时间：2023-01-29

- 智能反射面辅助下设备间通信系统速率研究
- Research on the Rate of Devices-to-Devices Communication System based on Reconfigurable Intelligent Surface
- 光通信研究 2022年第6期页码：70-76
- 作者机构：
  
  上海师范大学　信息与机电工程学院，上海　200234
- 作者简介：
  
  符凤婷(1997-)，女，海南文昌人。硕士，主要研究方向为无线通信。
  李莉，教授。E-mail：lilyxuan@shnu.edu.cn
- 基金信息：
  
  上海市自然科学基金面上项目(19ZR1437600)
- DOI：10.13756/j.gtxyj.2022.06.012
  中图分类号： TN929.5
- 纸质出版日期：2022-12-10，
  
  收稿日期：2022-04-20，
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符凤婷, 李莉, 张静. 智能反射面辅助下设备间通信系统速率研究[J]. 光通信研究, 2022,(6):70-76.

FU Feng-ting, LI Li, ZHANG Jing. Research on the Rate of Devices-to-Devices Communication System based on Reconfigurable Intelligent Surface[J]. Study on Optical Communications, 2022,(6):70-76.
符凤婷, 李莉, 张静. 智能反射面辅助下设备间通信系统速率研究[J]. 光通信研究, 2022,(6):70-76. DOI： 10.13756/j.gtxyj.2022.06.012.

FU Feng-ting, LI Li, ZHANG Jing. Research on the Rate of Devices-to-Devices Communication System based on Reconfigurable Intelligent Surface[J]. Study on Optical Communications, 2022,(6):70-76. DOI： 10.13756/j.gtxyj.2022.06.012.

摘要

针对智能反射面(RIS)辅助下的设备间(D2D)通信系统中，D2D通信用户与蜂窝用户存在干扰、D2D通信用户间互相干扰以及由于环境障碍物的存在而导致环境干扰的问题，在保证蜂窝用户和D2D通信用户服务质量的同时，文章提出了一种以系统总速率最大化为目标的优化算法。仿真实验表明，系统总速率在禁忌搜索—逐步凸优化算法下与相移优化算法相比提升了56%，系统总速率在禁忌搜索—逐步凸优化算法下与功率分配算法相比提升了21.2%。

Abstract

There are problems of interference between Devices-to-Devices (D2D) communication users and cellular users

mutual interference between D2D communication users

and environmental interference caused by the existence of environmental obstacles in the D2D communication system assisted by Reconfigurable Intelligent Surface (RIS). In order to solve the problems

an optimization algorithm aiming at maximizing the total rate of the system is proposed to maintain the high quality of services among cellular users and D2D communication. Simulation experiments show that the total system speed under the tabu search-successive convex approximation algorithm is improved by 56% compared with the phase shift optimization algorithm. The total system speed under the tabu search-successive convex approximation algorithm is improved by 21.2% compared with the power allocation algorithm.

关键词

设备间通信逐步凸优化算法相移优化智能反射面

Keywords

D2D communicationsuccessive convex approximation algorithmphase shift optimizationRIS

references

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