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Unequal Error Protection for Wireless Multimedia Transmission in Decode-and-Forward Relay Networks
Responsible organisation
2009 (English)Conference paper, (Refereed) Published
Abstract [en]

In this paper, we propose an unequal error protection (UEP) scheme for multimedia transmission over wireless decode-and-forward (DF) relay networks. We prove that relay selection combining (R-SC) mode yields a better error rate performance than all-participate relays, i.e., distributed spacetime codes (DSTC) and orthogonal transmission with maximum ratio combining (OT-MRC) at the destination. Hence, we apply the R-SC scheme for transmitting bit sequence with high priority while the cooperative spatial multiplexing scheme is employed for the bit-stream with low priority. With this strategy, we achieve the maximum spatial diversity gain for high priority data and a high spatial multiplexing gain for low priority data. Monte- Carlo simulations and analytical results are shown to validate the proposed UEP scheme.

Place, publisher, year, edition, pages
San Diego, CA: IEEE , 2009.
National Category
Telecommunications Signal Processing
Identifiers
URN: urn:nbn:se:bth-8240ISI: 000273914400169Local ID: oai:bth.se:forskinfo0F2DC242395187C3C1257562004E730CISBN: 978-1-4244-2699-7 (print)OAI: oai:DiVA.org:bth-8240DiVA: diva2:835940
Conference
IEEE Radio and Wireless Symposium
Available from: 2012-09-18 Created: 2009-02-19 Last updated: 2015-06-30Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • harvard1
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