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On-Line Fountain Codes with Unequal Error Protection
KTH, School of Electrical Engineering (EES), Information Science and Engineering.
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2017 (English)In: IEEE Communications Letters, ISSN 1089-7798, E-ISSN 1558-2558, Vol. 21, no 6, 1225-1228 p., 7857018Article in journal (Refereed) Published
Abstract [en]

A new encoding scheme for on-line fountain codes is proposed to provide unequal error protection (UEP) for source symbols. Both the weighted-selection strategy and the expanding-window strategy are used to achieve the UEP property. We analyze the bound of overhead to demonstrate the performance. We also make comparisons with on-line fountain codes that provide equal error protection. Simulation results show that with the proposed scheme, UEP is achieved, where the most important symbols are recovered faster than the least important symbols.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE), 2017. Vol. 21, no 6, 1225-1228 p., 7857018
Keyword [en]
codes with feedback, Fountain codes, on-line codes, unequal error protection
National Category
Communication Systems
Identifiers
URN: urn:nbn:se:kth:diva-210605DOI: 10.1109/LCOMM.2017.2669319Scopus ID: 2-s2.0-85020864411OAI: oai:DiVA.org:kth-210605DiVA: diva2:1118937
Note

QC 20170703

Available from: 2017-07-03 Created: 2017-07-03 Last updated: 2017-07-03Bibliographically approved

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