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Asymptotic analysis of asymmetric MIMO links: EVM limits for joint decoding of PSK and QAM
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
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2015 (English)In: 2015 IEEE International Conference on Communications (ICC), IEEE conference proceedings, 2015, Vol. 2015, 1869-1873 p.Conference paper (Refereed)Text
Abstract [en]

Hardware non-idealities in wireless transmitter electronics cause distortion that is not captured by conventional linear channel models; in fact, error-vector magnitude (EVM) measurements in conformance testing conceptually reduce their collective effect to an additive noise component at each subcarrier. Motivated by the EVM, the present paper considers a 'binoisy' multiple-input multiple-output (MIMO) channel model where the additional non-idealities manifest themselves as an additive distortion noise term at the transmit side. Through this extended MIMO relation, the effects of hardware impairments on the achievable rates of different digital modulation schemes are studied via large system analysis. The numerical results illustrate how tolerable EVM levels depend non-trivially on various factors, including the signal-to-noise ratio, modulation order and the level of asymmetry in antenna array configurations.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2015. Vol. 2015, 1869-1873 p.
, IEEE International Conference on Communications, ISSN 1550-3607
Keyword [en]
Statistical Physics, Capacity, Systems, CDMA
National Category
Communication Systems
URN: urn:nbn:se:kth:diva-181157DOI: 10.1109/ICC.2015.7248597ISI: 000371708102013ScopusID: 2-s2.0-84953708408ISBN: 978-1-4673-6432-4OAI: diva2:903589
IEEE International Conference on Communications, ICC 2015, London, United Kingdom, 8 June 2015 through 12 June 2015

QC 20160216, QC 20160421

Available from: 2016-02-16 Created: 2016-01-29 Last updated: 2016-04-21Bibliographically approved

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Girnyk, MaksymKildehøj Rasmussen, Lars
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Communication TheoryACCESS Linnaeus Centre
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