Complete Power Reallocation for MU-MISO Under Per-Antenna Power Constraint

Sucheol Kim; Hyeongtaek Lee; Hwanjin Kim; Yongyun Choi; Junil Choi

doi:10.1109/TCOMM.2023.3240695

Complete Power Reallocation for MU-MISO Under Per-Antenna Power Constraint

Sucheol Kim, Hyeongtaek Lee, Hwanjin Kim, Yongyun Choi, Junil Choi

School of Electronics Engineering

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

This paper proposes a beamforming method under a per-antenna power constraint (PAPC). Although many beamformer designs with the PAPC need to solve complex optimization problems, the proposed complete power reallocation (CPR) method can generate beamformers with excellent performance only with linear operations. CPR is designed to have a simple structure, making it highly flexible and practical. In this paper, three CPR variations considering algorithm convergence speed, sum-rate maximization, and robustness to the channel uncertainty are developed. Simulation results verify that CPR and its variations satisfy their design criteria, and, hence, CPR can be readily utilized for various purposes.

Original language	English
Pages (from-to)	2087-2103
Number of pages	17
Journal	IEEE Transactions on Communications
Volume	71
Issue number	4
DOIs	https://doi.org/10.1109/TCOMM.2023.3240695
State	Published - 1 Apr 2023

Keywords

computational complexity
multi-user multiple-input single-output
Per-antenna power constraint
robust beamforming

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10.1109/TCOMM.2023.3240695

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abstract = "This paper proposes a beamforming method under a per-antenna power constraint (PAPC). Although many beamformer designs with the PAPC need to solve complex optimization problems, the proposed complete power reallocation (CPR) method can generate beamformers with excellent performance only with linear operations. CPR is designed to have a simple structure, making it highly flexible and practical. In this paper, three CPR variations considering algorithm convergence speed, sum-rate maximization, and robustness to the channel uncertainty are developed. Simulation results verify that CPR and its variations satisfy their design criteria, and, hence, CPR can be readily utilized for various purposes.",

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Complete Power Reallocation for MU-MISO Under Per-Antenna Power Constraint

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