On the Number of RF Chains and Phase Shifters, and Scheduling Design With Hybrid Analog-Digital Beamforming

This paper considers hybrid beamforming (HB) for downlink multiuser massive multiple-input multiple-output (MIMO) systems with frequency selective channels. The proposed HB design employs sets of digitally controlled phase (fixed phase) paired phase shifters (PSs) and switches. For this system, firs...

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Bibliographic Details
Published in:	IEEE transactions on wireless communications Vol. 15; no. 5; pp. 3311 - 3326
Main Authors:	Bogale, Tadilo Endeshaw, Long Bao Le, Haghighat, Afshin, Vandendorpe, Luc
Format:	Journal Article
Language:	English
Published:	New York IEEE 01.05.2016 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Antennas Array signal processing Beamforming Channels Design engineering Digital Downlink Hybrid Analog-Digital Beamforming Massive MIMO Mathematical models Millimeter wave MIMO Phase shifter Phase shifters Radio frequencies Radio frequency RF chain Subcarriers Wireless communication massive MIMO Hybrid analog–digital beamforming millimeter wave RF chain phase shifter
ISSN:	1536-1276, 1558-2248
Online Access:	Get full text
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