Beam switching with low control overhead for millimeter-wave communication

A Kumar, A Roy, R Bhattacharjee - 2022 Asia-Pacific …, 2022 - ieeexplore.ieee.org
2022 Asia-Pacific Microwave Conference (APMC), 2022ieeexplore.ieee.org
Mm-wave communication using massive Multiple-Input Multiple Output (MIMO) is highly
directional in nature, hence making beam scanning and alignment a crucial aspect. In high
mobility scenarios, frequent beam scanning may incur a performance degradation due to
high control overhead. In this paper, we have adopted a supervised learning approach to
determine the precoders and combiners for a hybrid beamforming architecture. To avoid
frequent beam scanning and switching, we propose an overhead-aware strategy that …
Mm-wave communication using massive Multiple-Input Multiple Output (MIMO) is highly directional in nature, hence making beam scanning and alignment a crucial aspect. In high mobility scenarios, frequent beam scanning may incur a performance degradation due to high control overhead. In this paper, we have adopted a supervised learning approach to determine the precoders and combiners for a hybrid beamforming architecture. To avoid frequent beam scanning and switching, we propose an overhead-aware strategy that addresses a trade-off between the spectral efficiency (SE) and the overhead signalling. Simulations are performed using channel data generated using the open source channel simulator NYUSIM.
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