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Effect of Oscillator Phase Noise on Uplink Performance of Large MU-MIMO Systems
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7599-4367
2012 (English)In: Proceedings of the 50th Annual Allerton Conference on Communication, Control, and Computing,, IEEE , 2012, 1190-1197 p.Conference paper, Published paper (Refereed)
Abstract [en]

The effect of oscillator phase noise on the sumrate performance of a frequency selective multi-user multipleinputmultiple-output (MU-MIMO) uplink channel is studiedunder imperfect channel state information. A maximum ratiocombining detection strategy is employed by the base station(BS) (having a large antenna array of M elements), and ananalytical expression of a lower bound on the sum capacity ofthe system is derived. It is shown that an array power gainof O(pM) is achievable. It is also observed that phase noiseeffectively limits the fraction of the time used for informationtransmission and the number of users in the system. Finally itis concluded that, phase noise degrades the performance butdoes not eliminate the fundamental gains of a Large ScaleAntenna System (LSAS), i.e., power efficiency and high sumrate performance with low complexity receiver processing.

Place, publisher, year, edition, pages
IEEE , 2012. 1190-1197 p.
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:liu:diva-80178DOI: 10.1109/Allerton.2012.6483353ISI: 000320654000162ISBN: 978-1-4673-4537-8 (print)OAI: oai:DiVA.org:liu-80178DiVA: diva2:546046
Conference
50th Annual Allerton Conference on Communication, Control, and Computing, October 1 – 5, 2012, Monticello, Illinois, USA
Available from: 2012-08-22 Created: 2012-08-22 Last updated: 2016-08-31

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