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Paper detail

Complete Power Reallocation for MU-MIMO under Per-Antenna Power Constraint

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 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.

preprint2021arXivOpen access
Sucheol KimHyeongtaek LeeHwanjin KimYongyun ChoiJunil Choi
math.ITInformation Theoryeess.SP
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Sucheol KimHyeongtaek LeeHwanjin KimYongyun ChoiJunil Choi

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