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Achievable energy per bit for the multi-pair MIMO bidirectional broadcast channel
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0001-7421-0113
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-0036-9049
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.ORCID iD: 0000-0002-7926-5081
2012 (English)In: European Wireless, 2012. EW. 18th European Wireless Conference, 2012Conference paper, Published paper (Refereed)
Abstract [en]

This paper presents a transmit strategy for the AWGN multi-pair MIMO bidirectional broadcast channels in the wideband regime. An achievable wideband rate region and an achievable energy per bit region are provided. The transmit covariance matrix at the relay has been designed in order to maximize the wideband weighted rate sum. A closed form of the optimal matrix is derived, which shows that a single beam transmit strategy is optimal. In addition, an energy efficiency versus fairness analysis is considered. Lastly, some discussions on the minimum energy per bit are given.

Place, publisher, year, edition, pages
2012.
Keyword [en]
Minimum energy per bit, Multiple antenna, Optimal transmission, Single beam, Weighted sum-rate, Wide-band, Broadcasting
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-134851Scopus ID: 2-s2.0-84907087749ISBN: 978-3-8008-3426-9 (print)OAI: oai:DiVA.org:kth-134851DiVA: diva2:668388
Conference
18th European Wireless Conference, Poznan, Poland, 18-20 April, 2012.
Funder
ICT - The Next Generation
Note

QC 20131212

Available from: 2013-11-29 Created: 2013-11-29 Last updated: 2013-12-12Bibliographically approved

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Authority records BETA

Do, Tan TaiOechtering, TobiasSkoglund, Mikael

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf