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Journal Article A Simple Efficient Stopping Criterion for Turbo Decoder
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Authors
Young Sup Kim, Sung Woong Ra
Issue Date
2006-12
Citation
ETRI Journal, v.28, no.6, pp.790-792
ISSN
1225-6463
Publisher
한국전자통신연구원 (ETRI)
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.4218/etrij.06.0206.0113
Abstract
The performance of a turbo decoder depends strongly on the number of iterations in its decoding process. It is necessary to stop the decoding process at an appropriate moment to alleviate the serious burden, in terms of both the computational speed and latency, part of which is associated with too many iterations. In this letter, we introduce a criterion for finding the opportune moment to stop the decoding process, called a hard decision aided criterion based on bit interleaved parity, which is known to have much simpler hardware logic, compared with other schemes, and does not lead to any significant performance degradation.
KSP Keywords
Computational Speed, Stopping criterion, Turbo decoder, hard decision, number of iterations, performance degradation