Multi-envelope precoding for massive MIMO systems

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buir.contributor.authorDuman, Tolga
dc.citation.epage723en_US
dc.citation.issueNumber5en_US
dc.citation.spage720en_US
dc.citation.volumeNumber7en_US
dc.contributor.authorGümüş, M.en_US
dc.contributor.authorDuman, Tolgaen_US
dc.date.accessioned2019-02-21T16:04:43Z
dc.date.available2019-02-21T16:04:43Z
dc.date.issued2018en_US
dc.departmentDepartment of Electrical and Electronics Engineeringen_US
dc.description.abstractConstant envelope (CE) precoding is a recently proposed technique for massive MIMO systems that decreases the hardware complexity of base station circuitry. In this letter, we build on this idea and propose a multi-envelope precoding method, which utilizes more than one (but only a few, e.g., 2 or 3) envelope levels and assigns higher levels on the antenna group(s) requiring more power in order to increase the achievable rates. The results demonstrate substantial gains with respect to the CE approach for both cases of discrete and continuous phase shifters with almost no increase in hardware complexity and a small increase in computational complexity.
dc.description.provenanceMade available in DSpace on 2019-02-21T16:04:43Z (GMT). No. of bitstreams: 1 Bilkent-research-paper.pdf: 222869 bytes, checksum: 842af2b9bd649e7f548593affdbafbb3 (MD5) Previous issue date: 2018en
dc.identifier.doi10.1109/LWC.2018.2815679
dc.identifier.issn2162-2337
dc.identifier.urihttp://hdl.handle.net/11693/50205
dc.language.isoEnglish
dc.publisherInstitute of Electrical and Electronics Engineers
dc.relation.isversionofhttps://doi.org/10.1109/LWC.2018.2815679
dc.source.titleIEEE Wireless Communications Lettersen_US
dc.subjectconstant envelope precodingen_US
dc.subjectLarge scale MIMOen_US
dc.subjectMassive MIMOen_US
dc.subjectMulti-envelope precodingen_US
dc.titleMulti-envelope precoding for massive MIMO systemsen_US
dc.typeArticleen_US

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