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On the Asymptotic Sum-Rate of Uplink MIMO Cellular Systems in the Presence of Non-Gaussian Inter-Cell Interference
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. (Kommunikationsteori, Communication Theory)
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. (Kommunikationsteori, Communication Theory)ORCID iD: 0000-0001-7182-9543
2012 (English)In: 2012 IEEE Global Communications Conference (GLOBECOM 2012), New York: IEEE , 2012, 2475-2480 p.Conference paper, Published paper (Refereed)
Abstract [en]

In this paper we consider a scenario, where several mobile multi-antenna terminals communicate with the multi- antenna base station within a cellular communication system over the flat Rayleigh fading channel. In addition, several terminals from the neighboring cell cause interference. For such a scenario, we derive, using the replica method, the asymptotic sum-rate of the communication in the large-system limit for arbitrary signal constellations. Moreover, we show via numerical results that when the interfering terminals use a QPSK constellation, the resulting interference becomes easier to handle. In effect, we may be able to accumulate more interfering transmitter-receiver pairs within the same area as compared to the case of Gaussian signals. Monte- Carlo simulations show that the derived asymptotic expression matches well with the simulated values even for small numbers of antennas.

Place, publisher, year, edition, pages
New York: IEEE , 2012. 2475-2480 p.
Series
IEEE Global Telecommunications Conference (Globecom), ISSN 1930-529X
Keyword [en]
Arbitrary signals, Asymptotic expressions, Flat Rayleigh fading, Gaussian signals, Intercell interference, MIMO cellular systems, Monte-Carlo simulations, Numerical results
National Category
Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-109508DOI: 10.1109/GLOCOM.2012.6503488ISI: 000322375102138Scopus ID: 2-s2.0-84877643176ISBN: 978-146730921-9 (print)OAI: oai:DiVA.org:kth-109508DiVA: diva2:582930
Conference
2012 IEEE Global Communications Conference, GLOBECOM 2012; Anaheim, CA; United States; 3 December 2012 through 7 December 2012
Funder
Swedish Research CouncilICT - The Next Generation
Note

QC 20130108

Available from: 2013-01-07 Created: 2013-01-07 Last updated: 2013-11-28Bibliographically approved

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Rasmussen, Lars

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