IEEE/ICACT20230157 Slide.06        [Big Slide]       [YouTube] Oral Presentation
The traditional channel estimation methods are described below. Least square (LS) is designed according to the least square criterion[kraɪˈtɪriən]. With known reflecting phase matrix P and received signal Yk, the channel matrix estimated by LS algorithm can be denoted by Equation 4 ,The channel estimation error JLS is denoted as Equation 5.

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