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Capacity Limits and Multiplexing Gains of MIMO Channels with Transceiver Impairments
KTH, School of Electrical Engineering (EES), Signal Processing.
KTH, School of Electrical Engineering (EES), Signal Processing.
KTH, School of Electrical Engineering (EES), Signal Processing.ORCID iD: 0000-0002-3599-5584
KTH, School of Electrical Engineering (EES), Signal Processing. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0003-2298-6774
2013 (English)In: IEEE Communications Letters, ISSN 1089-7798, E-ISSN 1558-2558, Vol. 17, no 1, 91-94 p.Article in journal (Refereed) Published
Abstract [en]

The capacity of ideal MIMO channels has a high-SNR slope that equals the minimum of the number of transmit and receive antennas. This letter analyzes if this result holds when there are distortions from physical transceiver impairments. We prove analytically that such physical MIMO channels have a finite upper capacity limit, for any channel distribution and SNR. The high-SNR slope thus collapses to zero. This appears discouraging, but we prove the encouraging result that the relative capacity gain of employing MIMO is at least as large as with ideal transceivers.

Place, publisher, year, edition, pages
IEEE Communications Society, 2013. Vol. 17, no 1, 91-94 p.
National Category
Signal Processing Telecommunications
Identifiers
URN: urn:nbn:se:kth:diva-117611DOI: 10.1109/LCOMM.2012.112012.122003ISI: 000314713700024Scopus ID: 2-s2.0-84873058853OAI: oai:DiVA.org:kth-117611DiVA: diva2:602262
Funder
Swedish Research Council, 2012-228
Note

QC 20130212

Available from: 2013-01-31 Created: 2013-01-31 Last updated: 2017-12-06Bibliographically approved

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