| Title: | Turbo code frame synchronization |
| Author(s): | Sodha, J. |
| Author's Affiliation: | Dept. of Comput. Sci., Univ. of the West Indies, Bridgetown, Barbados |
| Source: | Signal Processing, vol.82, no.5, May 2002. p. 803-9.
ISSN: 01651684 CODEN: SPRODR SICI: 0165-1684(200205)82:5L.803:TCFS;1-2
Publisher: Elsevier for EURASIP Place of Publication: Netherlands |
| Language: | English |
| Digital Object Identifier: | http://dx.doi.org/10.1016/S0165-1684(02)00159-7 |
| Abstract: | A
novel frame synchronization technique for a turbo decoder is presented
based on the concept of a probability surface metric within a modified
maximum a posteriori decoder. Using a counter with a reflecting barrier
to establish whether there is sufficient evidence to reject the
existing synchronization state, theoretical expressions are derived for
the performance of this technique for any channel signal-to-noise
ratio. The probability of a false-alarm can be reduced to an extremely
small value with a penalty of only a slight increase in the average
number of information bits to be processed to reject an incorrect
synchronization state. Simulation results are presented for the
standard rate 1/2 (7,5) turbo code. Abstract Number(s):
B2002-09-6120B-067 |
| Inspec Heading(s): | digital communication; error correction codes; iterative decoding; maximum likelihood decoding; probability; synchronisation; telecommunication channels; turbo codes |
| Key Phrase Heading(s): | turbo decoder; frame synchronization; probability surface metric; maximum a posteriori decoder; channel signal-to-noise ratio; SNR; error-control coding; digital communication system; MAP decoder; iterative decoding |
| Classification: | B6120B Codes
B0240Z Other topics in statistics |
| Treatment: | Theoretical or Mathematical |
| Number of References: | 5 |
| Publication Type: | Journal Paper |
| Document Number: | S0165-1684(02)00159-7 |
| Copyright Clearance Center: | 0165-1684/02/ 22.00 |
| Entry Date: | 20020810 |
| Accession Number: | 7354583 |
| Copyright Information: | Copyright 2002, IEE |
| Persistent link to this record: | http://search.epnet.com/login.aspx?direct=true&db=inh&an=7354583 |
| Database: | Inspec |
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