Distributed MIMO Systems for 6G
Paper i proceeding, 2023

This study focuses on Distributed MIMO (D-MIMO) systems and provides a discussion about their role in next generation networks. The paradigm shift to distributed networks offers great potential to address the 6G requirements, through macro diversity. As 6G scenarios and use cases continue to emerge, new challenges are likely to arise that may affect the widespread imp-lementation of D-MIMO. To address those, different deployment options have been proposed for roll-out considerations. They are composed of several sub-components that can be categorized as (i) wireless or wired fronthaul/backhaul, (ii) analog or digital signals, (iii) distributed or centralized processing, and (iv) coherent or non-coherent transmission. To facilitate standardization efforts, we provide 3GPP-aligned terminology for network nodes, multi-point transmission and reception schemes. In order to enable large-scale implementation of D-MIMO systems, it is important to determine the needed amount of distribution, develop practical solutions for high-frequency bands, and ways to convey data that meet the transport requirements. On this regard, we discuss key enablers and present simulation results for D-MIMO systems towards 6G. In particular, we present solutions for D-MIMO networks in dynamic scenarios related to channel estimation and layer-l mobility considering coherent and non-coherent joint transmission, and analog fronthaul implementation using analog-radio-over-fiber that are promising for high (upper mm-Wave and (sub-)THz) carrier frequencies, as well as integrated access and backhaul, network-controlled repeaters, and reconfigurable intelligent surfaces that are possible enablers for cost-efficient network densification at both low (cm-Wave, lower mm-Wave) and high carrier frequencies.

reconfigurable intelligent surfaces

Distributed MIMO

RIS

NCR

channel estimation

D-MIMO

non-coherent transmission

integrated access and backhaul

analog fronthaul

cell-free massive MIMO

network controlled repeaters

5G

Ll mobility

6G

IAB

Författare

Omer Haliloglu

Ericsson AB

Han Yu

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

Charitha Madapatha Madapathage Don

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

Hao Guo

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

Fehmi Emre Kadan

Ericsson AB

Andreas Wolfgang

Qamcom Research & Technology

Rafael Puerta

Ericsson AB

Pal K. Frenger

Ericsson AB

Tommy Svensson

Chalmers, Elektroteknik, Kommunikation, Antenner och Optiska Nätverk

2023 Joint European Conference on Networks and Communications and 6G Summit, EuCNC/6G Summit 2023

156-161
9798350311020 (ISBN)

2023 Joint European Conference on Networks and Communications and 6G Summit, EuCNC/6G Summit 2023
Gothenburg, Sweden,

A flagship for B5G/6G vision and intelligent fabric of technology enablers connecting human, physical, and digital worlds (Hexa-X )

Europeiska kommissionen (EU) (EC/HE/101120332), 2023-10-01 -- 2027-09-30.

Europeiska kommissionen (EU) (EC/2020/101015956), 2021-01-01 -- 2023-06-30.

Styrkeområden

Informations- och kommunikationsteknik

Ämneskategorier

Telekommunikation

Kommunikationssystem

Signalbehandling

DOI

10.1109/EUCNC/6GSUMMIT58263.2023.10188355

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Senast uppdaterat

2024-01-12