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Combining interference alignment and Alamouti codes for the 3-user MIMO interference channel
KTH, School of Electrical Engineering (EES), Communication Theory.
KTH, School of Electrical Engineering (EES), Communication Theory.
KTH, School of Electrical Engineering (EES), Communication Theory.ORCID iD: 0000-0001-7182-9543
2013 (English)In: 2013 IEEE Wireless Communications and Networking Conference (WCNC), New York: IEEE , 2013, 3563-3567 p.Conference paper, Published paper (Refereed)
Abstract [en]

The interference channel (IC) is the basic underlying channel model for many practical multi-terminal communication scenarios. Here, we consider a modified three-user IC with dual-antenna transmitters and receivers where we allow one receiver to have a finite-rate unidirectional link to another receiver. This kind of receiver-to-receiver link may exist in cellular networks with base-station backhaul. For this scenario we propose a scheme that combines the interference-cancellation capability of Alamouti codes with the subspace-overlapping property of interference alignment to achieve a sum-rate of three symbols/channel use. The scheme does also simultaneously provide a diversity gain of two for every symbol which significantly improves the bit-error rate performance compared to zero-forcing techniques.

Place, publisher, year, edition, pages
New York: IEEE , 2013. 3563-3567 p.
Series
IEEE Wireless Communications and Networking Conference, WCNC, ISSN 1525-3511
Keyword [en]
Alamouti codes, Cellular network, Interference alignment, Interference channels, Mimo interference channels, Multi terminals, Unidirectional links, Zero-forcing techniques
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-133855DOI: 10.1109/WCNC.2013.6555138ISI: 000326048103112Scopus ID: 2-s2.0-8488159346ISBN: 978-146735939-9 (print)OAI: oai:DiVA.org:kth-133855DiVA: diva2:663540
Conference
2013 IEEE Wireless Communications and Networking Conference, WCNC 2013; Shanghai; China; 7 April 2013 through 10 April 2013
Note

QC 20131112

Available from: 2013-11-12 Created: 2013-11-11 Last updated: 2013-12-10Bibliographically approved

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Rasmussen, Lars K.

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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  • modern-language-association-8th-edition
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Language
  • de-DE
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Output format
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