A Threshold for the "Early Detection" Method and an Output SNR Stop Criterion for Turbo Codes

Xiang Ming Li; Guang Xin Yue; Chang Chuan Yin

A Threshold for the "Early Detection" Method and an Output SNR Stop Criterion for Turbo Codes

Xiang Ming Li^*
, Guang Xin Yue
, Chang Chuan Yin

^*Corresponding author for this work

Beijing University of Posts and Telecommunications

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

A hypothesis to take the physical channel and the Turbo decoder as a joint equivalent AWGN channel is presented. On the basis of this hypothesis, one can use the signal-to-noise ratio of the Turbo decoder output LLR as a criterion to stop the iterative procedure. To reduce the decoder complexity, one can make a decision for the symbol whose LLR is larger than a given threshold and output it. A theoretical threshold is given.

Original language	English
Pages (from-to)	50
Number of pages	1
Journal	Beijing Youdian Xueyuan Xuebao/Journal of Beijing University of Posts And Telecommunications
Volume	23
Issue number	1
Publication status	Published - 2000
Externally published	Yes

Keywords

Channel coding
Parallel concatenation coding
Turbo codes

Cite this

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AU - Yue, Guang Xin

AU - Yin, Chang Chuan

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N2 - A hypothesis to take the physical channel and the Turbo decoder as a joint equivalent AWGN channel is presented. On the basis of this hypothesis, one can use the signal-to-noise ratio of the Turbo decoder output LLR as a criterion to stop the iterative procedure. To reduce the decoder complexity, one can make a decision for the symbol whose LLR is larger than a given threshold and output it. A theoretical threshold is given.

AB - A hypothesis to take the physical channel and the Turbo decoder as a joint equivalent AWGN channel is presented. On the basis of this hypothesis, one can use the signal-to-noise ratio of the Turbo decoder output LLR as a criterion to stop the iterative procedure. To reduce the decoder complexity, one can make a decision for the symbol whose LLR is larger than a given threshold and output it. A theoretical threshold is given.

KW - Channel coding

KW - Parallel concatenation coding

KW - Turbo codes

UR - https://www.scopus.com/pages/publications/0346638524

M3 - Article

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SN - 1000-5145

VL - 23

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JO - Beijing Youdian Xueyuan Xuebao/Journal of Beijing University of Posts And Telecommunications

JF - Beijing Youdian Xueyuan Xuebao/Journal of Beijing University of Posts And Telecommunications

IS - 1

ER -

A Threshold for the "Early Detection" Method and an Output SNR Stop Criterion for Turbo Codes

Abstract

Keywords

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