Optimal Joint Beamforming and Power Control in Cell-Free Massive MIMO Downlink

被引：4
|
作者：
Elwekeil, Mohamed [1 ,2 ]
Zappone, Alessio [1 ,3 ]
Buzzi, Stefano [1 ,3 ]
机构：
[1] Univ Cassino & Southern Lazio, Dept Elect & Informat Engn, Cassino, Italy
[2] Menoufia Univ, Fac Elect Engn, Dept Elect & Elect Commun Engn, Menoufia 32952, Egypt
[3] Consorzio Nazl Interuniv Telecomunicaz, Parma, Italy
来源：
SPAWC 2021: 2021 IEEE 22ND INTERNATIONAL WORKSHOP ON SIGNAL PROCESSING ADVANCES IN WIRELESS COMMUNICATIONS (IEEE SPAWC 2021) | 2020年
基金：
欧盟地平线“2020”;
关键词：
Cell-free massive MIMO; beamforming; power control; min-max optimization; energy efficiency;
D O I：
10.1109/SPAWC51858.2021.9593141
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：
In this paper, a novel optimization model for joint beamforming and power control in the downlink (DL) of a cell-free massive MIMO (CFmMIMO) system is presented. The objective of the proposed optimization model is to minimize the maximum user interference while satisfying quality of service (QoS) constraints and power consumption limits. The proposed min-max optimization model is formulated as a mixed-integer nonlinear program, that is directly tractable. Numerical results show that the proposed joint beamforming and power control scheme is effective and outperforms competing schemes in terms of data rate, power consumption, and energy efficiency.
引用
收藏
页码：81 / 85
页数：5
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