Joint Activity and Channel Estimation for Extra-Large MIMO Systems - Iimori, Hiroki; Takahashi, Takumi; Ishibashi, Koji; de Abreu, Giuseppe Thadeu Freitas; Gonzalez G., David; Gonsa, Osvaldo (IEEE transactions on wireless communications, 2022)
Keywords: Algorithms; Antenna arrays; Approximation algorithms; Arrays; Bayes methods; Bayesian analysis; bayesian inference; Channel estimation; Estimation; extra-large multiple-input multiple-output (XL-MIMO); Grant-free access; Inference algorithms; Mathematical models; Message passing; MIMO communication; Normal distribution; Parameterization; Signal to noise ratio; spatial non-stationarity; Statistical inference; Visibility; Wireless communication