Bi-Directional Training Methods With Frequency-Division Duplexing

We study distributed algorithms for joint adaptation of precoding and combining filters in frequency division duplex (FDD) multiple-input multiple-output (MIMO) cellular systems. Our approach extends bi-directional training (BiT), designed for time division duplex (TDD) systems, to FDD systems where...

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Vydané v:	IEEE transactions on wireless communications Ročník 20; číslo 10; s. 6493 - 6505
Hlavní autori:	Zhou, Hao, Honig, Michael L., Liu, Jialing, Xiao, Weimin
Médium:	Journal Article
Jazyk:	English
Vydavateľské údaje:	New York IEEE 01.10.2021 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Predmet:	adaptive beamforming Algorithms Antennas Channel estimation distributed optimization Downlink Downlinking FDD Frequency division duplexing Frequency estimation MIMO Optimization Performance degradation precoder optimization Reciprocity Training Uplink
ISSN:	1536-1276, 1558-2248
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