Uncoordinated and Decentralized Processing in Extra-Large MIMO Arrays

Abolfazl Amiri, Carles Navarro Manchon, Elisabeth De Carvalho

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12 Citationer (Scopus)

Abstract

We propose a decentralized receiver for extra-large multiple-input multiple-output (XL-MIMO) arrays. Our method operates with no central processing unit (CPU) and all the signal detection tasks are done in distributed nodes. We exploit a combined message-passing framework to design an uncoordinated detection scheme that overcomes three major challenges in the XL-MIMO systems: computational complexity, scalability and non-stationarities in user energy distribution. Our numerical evaluations show a significant performance improvement compared to benchmark distributed methods while operating very close to the centralized receivers.

OriginalsprogEngelsk
TidsskriftI E E E Wireless Communications Letters
Vol/bind11
Udgave nummer1
Sider (fra-til)81-85
Antal sider5
ISSN2162-2337
DOI
StatusUdgivet - 1 jan. 2022

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