Tensor-Based Algebraic Channel Estimation for Hybrid IRS-Assisted MIMO-OFDM

Yuxing Lin,Shi Jin,Michalis Matthaiou,Xiaohu You

IEEE Transactions on Wireless Communications（2021）

引用 62|浏览8

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摘要

We consider the channel estimation problem in multiple-input multiple-output orthogonal frequency division multiplexing (MIMO-OFDM) systems assisted by intelligent reconfigurable surfaces (IRSs). To avoid the inherent estimation ambiguities of the two-hop channels from mobile stations (MS) to the base station (BS), we adopt a hybrid IRS architecture composed of passive reflectors and active sensor...

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关键词

Channel estimation,CPD tensor completion,intelligent reconfigurable surfaces,MIMO-OFDM

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