Joint Real-Time Phase Shifter Network Calibration and Beam Tracking for mmWave Communication

14 June 2021

journal article
research article
Published by Institute of Electrical and Electronics Engineers (IEEE) in IEEE Wireless Communications Letters

Vol. 10 (9), 1979-1983
https://doi.org/10.1109/lwc.2021.3089426

Abstract

The time-varying deviations of the phase shifter network (PSN) may cause significant performance degradation in the millimeter-wave (mmWave) multiuser communication system, especially when serving fast-moving users. In this letter, we propose an efficient joint real-time phase shifter network calibration and beam tracking (JRTPSNC-BT) algorithm. In each tracking period, the exploration strategy is determined according to the previously tracked beam directions. Then based on the latest observation and the historical observations, the time-varying channels and the time-varying PSN deviations are jointly tracked and updated. Simulation results show the superiority of our algorithm both in calibration error and spectral efficiency.

Keywords

Funding Information

Key Research and Development Program of China (2018YFB1801102)
National Natural Science Foundation of China (61631013)
Foundation for Innovative Research Groups of the National Natural Science Foundation of China (61621091)
Civil Aerospace Technology Project (D040202)
Tsinghua-Qualcomm Joint Project
Tsinghua University Initiative Scientific Research Program (20193080005)

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