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Asymptotic Analysis of Asymmetric MIMO Links: EVM Limits for Joint Decoding of PSK and QAM
Aalto University, Finland.
Aalto University, Finland.
KTH Royal Institute Technology, Germany; School Elect Engn, Sweden.
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.
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2015 (English)In: 2015 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC), IEEE , 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 , 2015. 1869-1873 p.
, IEEE International Conference on Communications, ISSN 1550-3607
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:liu:diva-127291DOI: 10.1109/ICC.2015.7248597ISI: 000371708102013ISBN: 978-1-4673-6432-4OAI: diva2:921552
IEEE International Conference on Communications (ICC)
Available from: 2016-04-20 Created: 2016-04-19 Last updated: 2016-04-20

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Björnson, Emil
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