High-resolution multi-beam tracking with low overhead for mmWave beamforming system

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In millimeter wave communication, the beamforming technique with accurate angle information plays a key role to overcome the high path-loss and mitigate the interference. Particularly with multiple mobile stations (MSs), accurate multi-beam tracking without any knowledge of dynamic model is challenging. In this regard, we propose the model-free multi-beam tracking algorithm combining the Q-learning with auxiliary beam pair-based angle estimation in multi-MS environment. The proposed scheme benefits from low pilot overhead and high resolution angle estimation. Simulation results show that the proposed scheme outperforms the conventional schemes in terms of the effective sum-rate. (C) 2021 The Korean Institute of Communications and Information Sciences (KICS). Publishing services by Elsevier B.V.
Publisher
ELSEVIER
Issue Date
2021-03
Language
English
Article Type
Article
Citation

ICT EXPRESS, v.7, no.1, pp.28 - 35

ISSN
2405-9595
DOI
10.1016/j.icte.2021.01.014
URI
http://hdl.handle.net/10203/282490
Appears in Collection
EE-Journal Papers(저널논문)
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