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On the Performance of Backhaul Constrained Cell-Free Massive MIMO with Linear Receivers
Univ York, England.
Queens Univ Belfast, North Ireland.
Univ York, England.
Univ York, England.
Show others and affiliations
2018 (English)In: 2018 CONFERENCE RECORD OF 52ND ASILOMAR CONFERENCE ON SIGNALS, SYSTEMS, AND COMPUTERS, IEEE , 2018, p. 624-628Conference paper, Published paper (Refereed)
Abstract [en]

Limited-backhaul cell-free Massive multiple-input multiple-output (MIMO), in which the fog radio access network (F-RAN) is implemented to exchange the information between access points (APs) and the central processing unit (CPU), is investigated. We introduce a novel approach where the APs estimate the channel and send back the quantized version of the estimated channel and the quantized version of the received signal to the central processing unit. The Max algorithm and the Bussgang theorem are exploited to model the optimum uniform quantization. The ergodic achievable rates are derived. We show that exploiting microwave wireless backhaul links and using a small number of hits to quantize the estimated channel and the received signal, the performance of limited-backhaul cell-free Massive MIMO closely approaches the performance of cell-free Massive MIMO with perfect backhaul links.

Place, publisher, year, edition, pages
IEEE , 2018. p. 624-628
Series
Conference Record of the Asilomar Conference on Signals Systems and Computers, ISSN 1058-6393
Keywords [en]
Bussgang decomposition; cell-free Massive MIMO; limited-backhaul; Max algorithm
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:liu:diva-158406DOI: 10.1109/ACSSC.2018.8645433ISI: 000467845100109ISBN: 978-1-5386-9218-9 (electronic)OAI: oai:DiVA.org:liu-158406DiVA, id: diva2:1332819
Conference
52nd Asilomar Conference on Signals, Systems, and Computers
Note

Funding Agencies|H2020-MSCA-RISE-2015 [690750]

Available from: 2019-06-28 Created: 2019-06-28 Last updated: 2019-06-28

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Total: 23 hits
CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf