LoFi User Scheduling for Multiuser Mimo Wireless Systems

We propose new low-fidelity (LoFi) user equipment (UE) scheduling algorithms for multiuser multiple-input multiple-output (MIMO) wireless communication systems. The proposed methods rely on an efficient guess-and-check procedure that, given an objective function, performs paired comparisons between...

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Bibliographic Details
Main Authors: Gallyas-Sanhueza, Alexandra, Marti, Gian, Palhares, Victoria, Wiesmayr, Reinhard, Studer, Christoph
Format: Conference Proceeding
Language:English
Subjects:
Computational efficiency
Linear MMSE
Linear programming
Millimeter wave communication
MIMO communication
multiuser MIMO
paired comparisons
post-equalization SINR
Scheduling algorithms
Systems simulation
UE scheduling
Wireless communication
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Summary:We propose new low-fidelity (LoFi) user equipment (UE) scheduling algorithms for multiuser multiple-input multiple-output (MIMO) wireless communication systems. The proposed methods rely on an efficient guess-and-check procedure that, given an objective function, performs paired comparisons between random subsets of UEs that should be scheduled in certain time slots. The proposed LoFi scheduling methods are computationally efficient, highly parallelizable, and gradient-free, which enables the use of almost arbitrary, non-differentiable objective functions. System simulations in a millimeter-wave (mmWave) multiuser MIMO scenario demonstrate that the proposed LoFi schedulers outperform a range of state-of-the-art user scheduling algorithms in terms of bit error-rate and/or computational complexity.
ISSN:2379-190X
DOI:10.1109/ICASSP48485.2024.10445898