Beamforming design for active RIS-aided NOMA networks

被引：10
作者：
Yang, Fengming [1 ]
Dai, Jianxin [2 ]
Pan, Cunhua [3 ,4 ]
机构：
[1] Nanjing Univ Posts & Telecommun, Coll Telecommun & Informat Engn, Nanjing, Peoples R China
[2] Nanjing Univ Posts & Telecommun, Sch Sci, Nanjing, Peoples R China
[3] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing, Peoples R China
[4] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Peoples R China
来源：
IET COMMUNICATIONS | 2023年 / 17卷 / 04期
关键词：
active RIS; NOMA; beamforming design; RECONFIGURABLE INTELLIGENT SURFACES; ROBUST;
D O I：
10.1049/cmu2.12556
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper studies the beamforming design for an active reconfigurable intelligent surface (RIS) aided non-orthogonal multiple access (NOMA) network. It aims to minimize the transmission power while satisfying the requirement of the quality of service (QoS). To solve this problem, an iterative algorithm based on approximate transformations and penalty functions is proposed. Finally, simulation results illustrate that an active RIS-aided NOMA system can achieve significant performance gains over the passive RIS-aided NOMA network.
引用
收藏
页码：460 / 468
页数：9
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