A novel ARQ technique using the turbo coding principle

A novel ARQ technique using the turbo coding principle

A novel automatic repeat request (ARQ) technique based on the turbo coding principle is presented. The technique uses the log-likelihood ratios generated by the decoder during a previous transmission as a priori information when decoding retransmissions. Simulation results show a significant decreas...

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Veröffentlicht in:IEEE communications letters 1997-03, Vol.1 (2), p.49-51
Hauptverfasser: Narayanan, K.R., Stuber, G.L.
Format: Artikel
Sprache:eng
Schlagworte:
Additive white noise
Automatic repeat request
AWGN
Bit error rate
Block codes
Convolutional codes
Error analysis
Iterative decoding
Maximum likelihood decoding
Turbo codes
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Zusammenfassung:A novel automatic repeat request (ARQ) technique based on the turbo coding principle is presented. The technique uses the log-likelihood ratios generated by the decoder during a previous transmission as a priori information when decoding retransmissions. Simulation results show a significant decrease in frame error rate, especially at low-to-moderate E/sub b//N/sub 0/.
ISSN:1089-7798
1558-2558
DOI:10.1109/4234.559361