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Performance Analysis of Cell-Free Massive MIMO Over Spatially Correlated Fading Channels
Beijing Jiaotong Univ, Peoples R China.
Beijing Jiaotong Univ, Peoples R China.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-5954-434X
Beijing Jiaotong Univ, Peoples R China.
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2019 (English)In: ICC 2019 - 2019 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC), IEEE , 2019Conference paper, Published paper (Refereed)
Abstract [en]

Cell-free massive multiple-input multiple-output (MIMO) is a promising network architecture for future wireless systems. This paper investigates the uplink performance of cell-free massive MIMO systems employing the least-square (LS) estimator over spatially correlated fading channels. We first derive a generalized closed-form expression of the spectral efficiency as a function of the number of access point (AP) antennas and the spatial correlation matrices. We use this result to analyze the impact that the fronthaul, number of users and number of APs have on the energy efficiency. Compared to traditional colocated massive MIMO using maximum ratio combining (MRC), our analysis shows that the large performance gain of cell-free massive MIMO with low-complexity linear LS estimators.

Place, publisher, year, edition, pages
IEEE , 2019.
Series
IEEE International Conference on Communications, ISSN 1550-3607, E-ISSN 1938-1883
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:liu:diva-161874DOI: 10.1109/ICC.2019.8762051ISI: 000492038806009ISBN: 978-1-5386-8088-9 (electronic)ISBN: 978-1-5386-8089-6 (print)OAI: oai:DiVA.org:liu-161874DiVA, id: diva2:1369329
Conference
IEEE International Conference on Communications (ICC)
Note

Funding Agencies|National Key Research and Development Program [2016YFE0200900, 2016YFB1200102-04]; National Natural Science Foundation of ChinaNational Natural Science Foundation of China [61601020, 61725101, U1834210]; Beijing Natural Science FoundationBeijing Natural Science Foundation [4182049, L171005, L172020]; open research fund of National Mobile Communications Research Laboratory, Southeast University [2018D04]; Key Laboratory of Optical Communication and Networks [KLOCN2018002]; Major projects of Beijing Municipal Science and Technology Commission [Z181100003218010]

Available from: 2019-11-11 Created: 2019-11-11 Last updated: 2019-11-11

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CiteExportLink to record
Permanent link

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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
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