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Optimal RIS Allocation in Multi-User MIMO Communications - IEEE Xplore
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Abstract: In this work, we consider the precoder and multiple reconfigurable intelligent surfaces (RISs) optimization problem for a downlink multi-user ...
The method involves selection of the first and best user from all the K users, and then the second user, chosen to be orthogonal based on the correlation ...
Abstract—In this work, we consider the precoder and multiple reconfigurable intelligent surfaces (RISs) optimization prob- lem for a downlink multi-user ...
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Aug 17, 2022 · Abstract—The paper studies a reconfigurable intelligent sur- face (RIS)-assisted multi-user uplink massive multiple-input.
The paper studies a reconfigurable intelligent surface (RIS)-assisted multi-user uplink massive multiple-input multiple-output (MIMO) system with imperfect ...
Jan 22, 2024 · This simplifies optimization of the channels of the users and enhance the performance of RIS. Yet, one of the main factors limiting the ...
Apr 17, 2024 · An optimization model for user grouping, subchannel, and power allocation under reasonable constraints for a spectral-efficient mmWave massive ...
In this paper, we propose a beam selection algorithm that can assign two distinct and unshared beams to each user after optimally adjusting the phases of each ...
In [40], the authors give a novel algorithm for resource allocation in an RIS-assisted multi-cell NOMA system to maximize the sum rate. The authors of [41] ...