一种Turbo码编码参数的盲识别方法

doi:10.3969/j.issn.1001-2400.2011.02.030

J4 ›› 2011, Vol. 38 ›› Issue (2): 167-172.doi: 10.3969/j.issn.1001-2400.2011.02.030

• Original Articles • Previous Articles Next Articles

Blind recognition method for the Turbo coding parameter

ZHANG Yongguang^1,2

(1. Science and Tech. on Communication Information Security Control Lab., Jiaxing 314033， China;
2. The 36th Research Institute of CETC, Jiaxing 314033， China)

Received:2010-04-15 Online:2011-04-20 Published:2011-05-26
Contact: ZHANG Yongguang E-mail:gfkd123@hotmail.com

Abstract

Abstract:

In order to solve the problem of the blind recognition of Turbo codes,some methods for blind recognition of the Turbo coding parameter with trellis termination are proposed for the first time. Based on the analysis of the sub-encoder structure of Turbo codes,some analytical models of convolutional codes at a rate of 1/2 are proposed, and by recoverying the interleaver sequence of Turbo codes,interleaver mapping is decided by exhaust comparison, and blind recognition of Turbo codes with trellis termination is realized.Simulation results illustrate that given the unknown Turbo encoded data sequence, the recognized coding parameters are correct by comparing prior conditions which validates the accuracy of the proposed methods.

Key words: channel coding, Turbo codes, convolutional codes, blind recognition

ZHANG Yongguang. Blind recognition method for the Turbo coding parameter[J].J4, 2011, 38(2): 167-172.

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Blind recognition method for the Turbo coding parameter

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