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Constant-Envelope Multi-User Precoding for Frequency-Selective Massive MIMO Systems
Indian Institute of Technology, New Delhi, India .
Linköping University, Department of Electrical Engineering, Communication Systems. Linköping University, The Institute of Technology.ORCID iD: 0000-0002-7599-4367
2013 (English)In: IEEE Wireless Communications Letters, ISSN 2162-2337, E-ISSN 2162-2345, Vol. 2, no 5, 547-550 p.Article in journal (Refereed) Published
Abstract [en]

We consider downlink precoding in a frequency-selective multi-user Massive MIMO system with highly efficient but non-linear power amplifiers at the base station (BS). A low-complexity precoding algorithm is proposed, which generates constant-envelope (CE) signals at each BS antenna. To achieve a desired per-user information rate, the extra total transmit power required under the per-antenna CE constraint when compared to the commonly used less stringent total average transmit power constraint, is small.

Place, publisher, year, edition, pages
IEEE , 2013. Vol. 2, no 5, 547-550 p.
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:liu:diva-104719DOI: 10.1109/WCL.2013.071713.130328OAI: oai:DiVA.org:liu-104719DiVA: diva2:698662
Available from: 2014-02-24 Created: 2014-02-24 Last updated: 2017-12-05Bibliographically approved

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Larsson, Erik G.

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