DocumentCode
1341026
Title
A novel ARQ technique using the turbo coding principle
Author
Narayanan, Krishna R. ; Stüber, Gordon L.
Author_Institution
Sch. of Electr. & Comput. Eng., Georgia Inst. of Technol., Atlanta, GA, USA
Volume
1
Issue
2
fYear
1997
fDate
3/1/1997 12:00:00 AM
Firstpage
49
Lastpage
51
Abstract
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/.
Keywords
automatic repeat request; block codes; convolutional codes; data communication; decoding; error correction codes; interleaved codes; ARQ technique; a priori information; automatic repeat request; decoder; frame error rate; log-likelihood ratio; parallel concatenation; pseudorandom interleaver; recursive systematic convolutional codes; retransmissions decoding; turbo coding principle; AWGN; Additive white noise; Automatic repeat request; Bit error rate; Block codes; Convolutional codes; Error analysis; Iterative decoding; Maximum likelihood decoding; Turbo codes;
fLanguage
English
Journal_Title
Communications Letters, IEEE
Publisher
ieee
ISSN
1089-7798
Type
jour
DOI
10.1109/4234.559361
Filename
559361
Link To Document