Joint Activity and Channel Estimation for Extra-Large MIMO Systems

Extra large MIMO (XL-MIMO) systems are subject to spatial non-stationarity forming visibility regions (VRs), which leads to a sub-array-wise sparse structure of the channel matrix. When XL-MIMO systems operate in grant-free access mode, in which only a fraction of the potential users are active duri...

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Vydáno v:	IEEE transactions on wireless communications Ročník 21; číslo 9; s. 7253 - 7270
Hlavní autoři:	Iimori, Hiroki, Takahashi, Takumi, Ishibashi, Koji, de Abreu, Giuseppe Thadeu Freitas, Gonzalez G., David, Gonsa, Osvaldo
Médium:	Journal Article
Jazyk:	angličtina
Vydáno:	New York IEEE 01.09.2022 The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Témata:	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
ISSN:	1536-1276, 1558-2248
On-line přístup:	Získat plný text
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