An interactive concatenated turbo coding system

This paper presents a concatenated turbo coding system in which a Reed-Solomon outer code is concatenated with a binary turbo inner code. In the proposed system, the outer code decoder and the inner turbo code decoder interact to achieve both good bit error and frame error performance. The outer cod...

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Bibliographic Details
Published in:IEEE transactions on vehicular technology Vol. 51; no. 5; pp. 998 - 1010
Main Authors: Cathy Ye Liu, Heng Tang, Shu Lin, Fossorier, M.P.C.
Format: Journal Article
Language:English
Published: New York, NY IEEE 01.09.2002
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects:
Applied sciences
Bit error rate
Channel capacity
Coding, codes
Concatenated codes
Concatenation system
Delay
Exact sciences and technology
Information, signal and communications theory
Iterative decoding
Large scale integration
Reed-Solomon codes
Signal and communications theory
Signal to noise ratio
Telecommunications and information theory
Turbo codes
Reed Solomon code
Performance evaluation
Reed-Solomon codes
turbo codes
Coding
Bit error rate
Wireless telecommunication
Signal processing
Turbo code
Concatenated codes
Decoding
Concatenation system
ISSN:0018-9545, 1939-9359
Online Access:Get full text
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Summary:This paper presents a concatenated turbo coding system in which a Reed-Solomon outer code is concatenated with a binary turbo inner code. In the proposed system, the outer code decoder and the inner turbo code decoder interact to achieve both good bit error and frame error performance. The outer code decoder helps the inner turbo code decoder to terminate its decoding iteration while the inner turbo code decoder provides soft-output information to the outer code decoder to carry out a reliability-based algebraic soft-decision decoding algorithm. In the case that outer code decoding fails, the outer code decoder instructs the inner code decoder to continue its decoding iterations until outer code decoding is successful or a preset maximum number of decoding iterations is reached. This interaction between outer and inner code decoders reduces decoding delay.
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ISSN:0018-9545
1939-9359
DOI:10.1109/TVT.2002.801345