Channel Estimation for RIS Assisted Wireless Communications-Part I: Fundamentals, Solutions, and Future Opportunities

The reconfigurable intelligent surface (RIS) with low hardware cost and energy consumption has been recognized as a potential technique for future 6G communications to enhance coverage and capacity. To achieve this goal, accurate channel state information (CSI) in RIS assisted wireless communication...

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Bibliographic Details

Published in:	IEEE communications letters Vol. 25; no. 5; pp. 1398 - 1402
Main Authors:	Wei, Xiuhong, Shen, Decai, Dai, Linglong
Format:	Journal Article
Language:	English
Published:	New York IEEE 01.05.2021 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:	Array signal processing Beamforming Channel estimation Communications systems Energy consumption Estimation Receiving antennas Reconfigurable intelligent surface (RIS) Signal processing Signal processing algorithms Uplink Wireless communication Wireless communication systems Wireless communications
ISSN:	1089-7798, 1558-2558
Online Access:	Get full text
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