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Out-of-Band Radiation From Antenna Arrays Clarified
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-7599-4367
Katholieke Univ Leuven, Belgium.
2018 (English)In: IEEE Wireless Communications Letters, ISSN 2162-2337, E-ISSN 2162-2345, Vol. 7, no 4, p. 610-613Article in journal (Refereed) Published
Abstract [en]

Non-linearities in radio-frequency transceiver hardware, particularly in power amplifiers, cause distortion in-band and out-of-band. Contrary to claims made in recent literature, in a multiple-antenna system this distortion is correlated across the antennas in the array. A significant implication of this fact is that out-of-band emissions caused by non-linearities are beamformed, in some cases into the same direction as the useful signal.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2018. Vol. 7, no 4, p. 610-613
Keywords [en]
Antenna arrays; power amplifier; nonlinearity; hardware distortion; MIMO; beamforming; millimeter wave; 5G
National Category
Signal Processing
Identifiers
URN: urn:nbn:se:liu:diva-151208DOI: 10.1109/LWC.2018.2802519ISI: 000442368700031OAI: oai:DiVA.org:liu-151208DiVA, id: diva2:1248034
Note

Funding Agencies|Swedish Research Council (VR); ELLIIT

Available from: 2018-09-13 Created: 2018-09-13 Last updated: 2018-10-05

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Larsson, Erik G.

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