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Symmetric Capacity of the Gaussian Two-Way Relay Channel to Within 1/4e [nat]
KTH, School of Electrical Engineering (EES), Communication Theory. KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre.
2013 (English)In: 2013 Information Theory And Applications Workshop (ITA), New York: IEEE , 2013, 278-282 p.Conference paper, Published paper (Refereed)
Abstract [en]

The problem of reliable communication over the Gaussian two-way relay channel is considered and a new achievable rate region by combining structured lattice-and random Gaussian codes is presented. It is then demonstrated that the new bound can outperform previously known rate regions. In particular, having found the optimal time-sharing and power allocation policies, it is established that the proposed strategy achieves the symmetric capacity to within 1/4e approximate to 0.092 [nat] approximate to 0.133 [bit], which improves on earlier bounds.

Place, publisher, year, edition, pages
New York: IEEE , 2013. 278-282 p.
Keyword [en]
Achievable rate region, Gaussian codes, Power allocations, Rate regions, Reliable communication, Symmetric capacity, Time-sharing, Two-way relay channels
National Category
Engineering and Technology
Identifiers
URN: urn:nbn:se:kth:diva-125000DOI: 10.1109/ITA.2013.6502961ISI: 000321214400041Scopus ID: 2-s2.0-84877647214ISBN: 978-1-4673-4648-1 (print)OAI: oai:DiVA.org:kth-125000DiVA: diva2:639176
Conference
2013 Information Theory and Applications Workshop, ITA 2013; San Diego, CA; United States; 10 February 2013 through 15 February 2013
Note

QC 20130806

Available from: 2013-08-06 Created: 2013-08-02 Last updated: 2013-08-06Bibliographically approved

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Output format
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