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Channel Estimation for Large Intelligent Surface Aided MISO Communications: From LMMSE to Deep Learning Solutions
The optimal channel estimator, based on the minimum mean-squared-error (MMSE) criterion, is challenging to obtain and is non-linear due to the non-Gaussianity of the effective channel seen at the receiver.
Large Intelligent Surfaces with Channel Estimation Overhead: Achievable Rate and Optimal Configuration
Large intelligent surfaces (LIS) present a promising new technology for enhancing the performance of wireless communication systems.
RIS-Assisted MISO Communication: Optimal Beamformers and Performance Analysis
We study a multiple-input single-output (MISO) communication system assisted by a reconfigurable intelligent surface (RIS).
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