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A Joint Channel-Network Coding Based on Product Codes for the Multiple-Access Relay Channel
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. KTH, School of Information and Communication Technology (ICT), Centres, Center for Wireless Systems, Wireless@kth. (Radio Communication Systems)
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS. (Radio Communication Systems)ORCID iD: 0000-0001-9697-9978
2012 (English)In: ISRN Communications and Networking, ISSN 2090-4355, E-ISSN 2090-4363, Vol. 2012, 1-13 p.Article in journal (Refereed) Published
Abstract [en]

The multiple access relay channel with network coding has the potential to achieve diversity and improve coverage of wireless networks. Its network coding scheme provides an extra redundancy that can be used at the receiver to improve the performance of the cooperating users. This paper shows that the combination of channel coding and network coding, in the multiple access relay channel, can be seen as a product code with rows formed by the code-words of the individual channel codes of the users and columns formed by the network coding code-words. This new representation allows the use of any decoding algorithm of product codes at the receiver to decode the information data of the cooperating users. This decoding process is a complete joint channel-network decoding algorithm as it sees the combination of the two coding schemes as a single coding scheme. It also gives the possibility to use network coding schemes more powerful than conventional XOR-based network coding. The obtained results show that the proposed product-based network coding structure can improve the performance of themultiple-access relay channel without reducing its efficiency and allow a very flexible cooperation between the involved users.

Place, publisher, year, edition, pages
Hindawi Publishing Corporation, 2012. Vol. 2012, 1-13 p.
National Category
Communication Systems
Research subject
URN: urn:nbn:se:kth:diva-107662DOI: 10.5402/2012/837815OAI: diva2:576998
ICT - The Next Generation

QC 20130502

Available from: 2012-12-14 Created: 2012-12-14 Last updated: 2014-01-16Bibliographically approved

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ur Rehman Ahsin, TafzeelBen Slimane, Slimane
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