Minimum-Delay Decoding of Turbo-Codes for Upper-Layer FEC

Details Minimum-Delay Decoding of Turbo-Codes for Upper-Layer FEC Minimum-Delay Decoding of Turbo-Codes for Upper-Layer FEC

2008-03-12

arxiv.org/abs/0803.1807v1

Computer Science

Information Theory

5 pages, submitted SPAWC08

Scientific paper

In this paper we investigate the decoding of parallel turbo codes over the binary erasure channel suited for upper-layer error correction. The proposed algorithm performs on-the-fly decoding, i.e. it starts decoding as soon as the first symbols are received. This algorithm compares with the iterative decoding of codes defined on graphs, in that it propagates in the trellises of the turbo code by removing transitions in the same way edges are removed in a bipartite graph under message-passing decoding. Performance comparison with LDPC codes for different coding rates is shown.

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