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- W3210156164 abstract "Reconfigurable intelligent surface (RIS) has recently drawn significant attention in wireless communication technologies. However, identifying, modeling, and estimating the RIS channel in multiple-input multiple-output (MIMO) systems are considered challenging in recent studies. In this paper, a disassembled channel estimation framework for the RIS-MIMO system is proposed based on the eigenvalue decomposition (EVD) concept to separate the cascaded channel links and estimate each link separately. This estimation is based on modeling the RIS-MIMO channel as a keyhole MIMO system model. Numerical results show that the proposed estimation method has a low estimation time overhead while providing less estimation error." @default.
- W3210156164 created "2021-11-08" @default.
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- W3210156164 date "2021-09-13" @default.
- W3210156164 modified "2023-10-16" @default.
- W3210156164 title "Reconfigurable intelligent surface (RIS): Eigenvalue Decomposition-Based Separate Channel Estimation" @default.
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- W3210156164 doi "https://doi.org/10.1109/pimrc50174.2021.9569501" @default.
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