| Title: | Shape nature of error-control codes |
| Author(s): | Sodha, J.; Als, A. |
| Author's Affiliation: | Dept. of Comput. Sci., Math. & Phys., West Indies Univ., Cave Hill, Barbados |
| Source: | Signal Processing, vol.83, no.7, July 2003. p. 1457-65.
ISSN: 01651684 CODEN: SPRODR SICI: 0165-1684(200307)83:7L.1457:SNEC;1-C
Publisher: Elsevier for EURASIP Place of Publication: Netherlands |
| Language: | English |
| Digital Object Identifier: | http://dx.doi.org/10.1016/S0165-1684(03)00062-8 |
| Abstract: | The
perception of a shape property within error-control codes providing
alternative insight to their error-control capability is demonstrated.
This insight may lead to the development of new class error-control
codes based on shapes. To demonstrate the concept of shape, the shape
nature of conventional codes within the Viterbi, maximum a posteriori,
and Turbo decoding algorithms are illustrated. The concept of shape
codes is also illustrated, in which binary conformation digits are
mapped onto predefined imaginary shapes within a given signal
constellation, and make use of these predefined shapes to provide a
coding gain at very low signal-to-noise ratios, with a penalty of a
reduction in the information throughput. Abstract Number(s):
B2003-12-6120B-127; C2003-12-1260S-065 |
| Inspec Heading(s): | binary codes; convolutional codes; error correction codes; iterative decoding; maximum likelihood decoding; turbo codes; Viterbi decoding |
| Key Phrase Heading(s): | error-control codes; shape nature; shape property; error-control capability; convolutional codes; Viterbi algorithm; maximum a posteriori decoding; MAP; turbo decoding algorithms; shape codes; binary information digits; signal constellation; predefined imaginary shapes; coding gain; signal-to-noise ratios; reduction penalty; information throughput; iterative decoding |
| Classification: | B6120B Codes
B0240Z Other topics in statistics
C1260S Signal processing theory
C1140Z Other topics in statistics |
| Treatment: | Theoretical or Mathematical |
| Number of References: | 7 |
| Publication Type: | Journal Paper |
| Copyright Clearance Center: | 0165-1684/03/ 30.00 |
| Document URL: | http://www.elsevier.com/locate/sigpro |
| Entry Date: | 20031115 |
| Accession Number: | 7785571 |
| Copyright Information: | Copyright 2003, IEE |
| Persistent link to this record: | http://search.epnet.com/login.aspx?direct=true&db=inh&an=7785571 |
| Database: | Inspec |
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