可重构智能表面辅助多用户NOMA网络鲁棒资源分配

胡林; 刘锡炎; 齐倩; 陈前斌

doi:10.12263/DZXB.20240456

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可重构智能表面辅助多用户NOMA网络鲁棒资源分配

学术论文 | 更新时间：2026-05-07

- 可重构智能表面辅助多用户NOMA网络鲁棒资源分配
- Robust Resource Allocation for Reconfigurable Intelligent Surface-Assisted Multi-User NOMA Networks
- 电子学报 2024年52卷第10期页码：3359-3367
- 作者机构：
  
  1.重庆邮电大学通信与信息工程学院，重庆 400065
  2.重庆邮电大学移动通信技术重庆市重点实验室，重庆 400065
- 作者简介：
  
  [ "胡林男，1984年12月出生于四川省南部县.2017年博士毕业于电子科技大学.现为重庆邮电大学讲师、硕士生导师.主要研究方向为多天线技术、物联网、安全通信.中国电子学会会员编号：E190017176M.E-mail: linhu@cqupt.edu.cn" ]
  [ "刘锡炎男，1999年出生于湖南省湘潭市.现为重庆邮电大学通信与信息工程学院硕士研究生.研究方向为可重构智能表面，非正交多址接入.E-mail: liu1115226934@qq.com" ]
  [ "齐倩女，2001年出生于安徽省池州市.现为重庆邮电大学通信与信息工程学院硕士研究生.研究方向为可重构智能表面，人工智能与图像处理.E-mail: qiqian0516@gmail.com" ]
  [ "陈前斌男，1967年4月出生于四川省营山县.现为重庆邮电大学教授、博士生导师.主要研究方向为通信网理论与技术、无线通信、多媒体信息传输与处理.中国电子学会会员编号：E190000713S.E-mail: chenqb@cqupt.edu.cn" ]
- 基金信息：
  
  国家自然科学基金(U23A20279;61901089)
- DOI：10.12263/DZXB.20240456
  中图分类号： TN929.5
- 收稿：2024-05-16，
  
  修回：2024-08-29，
  
  纸质出版：2024-10-25
- 稿件说明：
移动端阅览
胡林, 刘锡炎, 齐倩, 等. 可重构智能表面辅助多用户NOMA网络鲁棒资源分配[J]. 电子学报, 2024, 52(10): 3359-3367.

HU Lin, LIU Xi-yan, QI Qian, et al. Robust Resource Allocation for Reconfigurable Intelligent Surface-Assisted Multi-User NOMA Networks[J]. Acta Electronica Sinica, 2024, 52(10): 3359-3367.
胡林, 刘锡炎, 齐倩, 等. 可重构智能表面辅助多用户NOMA网络鲁棒资源分配[J]. 电子学报, 2024, 52(10): 3359-3367. DOI：10.12263/DZXB.20240456

HU Lin, LIU Xi-yan, QI Qian, et al. Robust Resource Allocation for Reconfigurable Intelligent Surface-Assisted Multi-User NOMA Networks[J]. Acta Electronica Sinica, 2024, 52(10): 3359-3367. DOI：10.12263/DZXB.20240456

摘要

在不完美信道状态信息（Channel State Information，CSI）和不完美串行干扰消除（Successive Interference Cancellation，SIC）的场景下，研究了可重构智能表面（Reconfigurable Intelligent Surface，RIS）辅助多用户非正交多址接入（Non-Orthogonal Multiple Access，NOMA）网络的鲁棒资源分配问题.在考虑两类用户（信息用户和能量用户）服务质量（Quality of Service，QoS）和信息用户SIC约束下，建立了基站发射功率最小化的优化问题.该问题是一个多变量耦合的非凸优化问题.为了求解该问题，本文使用松弛变量、线性近似、S-程序、符号定性法转化该问题的非凸约束.然后将优化问题分解为两个子问题，最后使用交替优化方法迭代求解两个子问题，直到发送功率收敛.仿真结果表明：该文算法具有较好的收敛性，实现了资源的鲁棒分配，同时有效地降低基站发射功率.

Abstract

In the scenario of imperfect channel state information (CSI) and imperfect successive interference cancellation (SIC)

the problem of robust resource allocation in reconfigurable intelligent surface (RIS) assisted multi-user non-orthogonal multiple access (NOMA) is studied. Considering the constraints of two types of users (information user and energy user) quality of service (QoS) and information user SIC

a transmit power minimization problem is formulated. This optimization problem is a multi-variable coupled non-convex optimization problem. In this paper

the non-convex constraints of the problem are transformed by using relaxation variables

linear approximation

S-procedure

and sign-definiteness methods. Then

the optimization problem is decomposed into two sub-problems

Finally

the alternate optimization method is used to iteratively solve the above sub-problems. The simulation results show that the proposed approach has a good convergence behavior

realizes the robust allocation of resources and can effectively reduce the transmit power of the base station.

关键词

Keywords

references

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