Energy Efficiency in RIS-Aided Wireless Networks: Active or Passive RIS?

被引：4
|
作者：
Fotock, Robert K. [1 ]
Zappone, Alessio [1 ,2 ]
Di Renzo, Marco [3 ]
机构：
[1] CNIT, Cassino, Italy
[2] Univ Cassino & Southern Lazio, Cassino, Italy
[3] Cent Supelec Univ, Paris, France
来源：
ICC 2023-IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS | 2023年
关键词：
D O I：
10.1109/ICC45041.2023.10279284
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
This work addresses the comparison between active and passive RISs in wireless networks, with reference to the system energy efficiency (EE). Two provably convergent and computationally-friendly EE maximization algorithms are developed, which optimize the reflection coefficients of the RIS, the transmit powers, and the linear receive filters. Numerical results show the performance of the proposed methods and discuss the operating points in which active or passive RISs should be preferred from an energy-efficient perspective.
引用
收藏
页码：2704 / 2709
页数：6
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