UEP LT Codes with Intermediate Feedback

Jesper Hemming Sørensen, Petar Popovski, Jan Østergaard

Research output: Contribution to journalJournal articleResearchpeer-review

16 Citations (Scopus)


We analyze a class of rateless codes, called Luby transform (LT) codes with unequal error protection (UEP). We show that while these codes successfully provide UEP, there is a significant price in terms of redundancy in the lower prioritized segments. We propose a modification with a single intermediate feedback message. Our analysis shows a dramatic improvement on the decoding performance of the lower prioritized segment.
Original languageEnglish
JournalI E E E Communications Letters
Issue number8
Pages (from-to)1636 - 1639
Publication statusPublished - Aug 2013

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