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LT Codes with Limited Feedback

Authors: Dai Jia; Zesong Fei; Shangguan Chenglin; Congzhe Cao; Jingming Kuang 0001;

LT Codes with Limited Feedback

Abstract

Rate less codes, such as LT codes, are a class of widely used practical forward error correcting codes. However, conventional LT codes do not make use of feedback information. In addition, owing to the selection of the symbols randomly, conventional LT codes have large redundancy. In this paper, LT codes with limited feedback are investigated. We use several acknowledgment bits to inform the transmitter the most useful symbol for decoding at the receiver side. Transmitter retransmits an input symbol after each feedback to reduce redundancy. Simulation results show that the proposed LT codes can reduce the redundancy significantly and the performance of bit error rate outperform the conventional LT codes.

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
7
Average
Average
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