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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Veröffentlicht in:	IEEE communications letters 2021-05, Vol.25 (5), p.1398-1402
Hauptverfasser:	Wei, Xiuhong, Shen, Decai, Dai, Linglong
Format:	Artikel
Sprache:	eng
Schlagworte:	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
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