Study of early stopping criteria for turbo decoding and their applications in WCDMA systems

Zhongfeng Wang; Yuping Zhang; Keshab K Parhi

Study of early stopping criteria for turbo decoding and their applications in WCDMA systems

Zhongfeng Wang, Yuping Zhang, Keshab K Parhi

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

5 Scopus citations

Abstract

This paper presents a systematic study of early stopping criteria for Turbo decoding. First, statistical analysis is carried out on numerous hard/soft variables that may be used in an early stopping criterion. Desirable variables are suggested based on their statistical properties. Simulation results show that any stopping criteria based on a single variable will have BER/FER performance loss. Two criteria, each of which uses two variables, are recommended in this paper and neither of them will result in any performance loss. It is also shown in this paper that the thresholds for these variables should be set to be proportional to the logarithm of the block size instead of being proportional to the block size.

Original language	English (US)
Title of host publication	2006 IEEE International Conference on Acoustics, Speech, and Signal Processing - Proceedings
State	Published - Dec 1 2006
Event	2006 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2006 - Toulouse, France Duration: May 14 2006 → May 19 2006

Publication series

Name	ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings
Volume	3
ISSN (Print)	1520-6149

Other

Other	2006 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2006
Country/Territory	France
City	Toulouse
Period	5/14/06 → 5/19/06

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Study of early stopping criteria for turbo decoding and their applications in WCDMA systems. / Wang, Zhongfeng; Zhang, Yuping; Parhi, Keshab K.
2006 IEEE International Conference on Acoustics, Speech, and Signal Processing - Proceedings. 2006. 1660829 (ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings; Vol. 3).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Wang, Z, Zhang, Y & Parhi, KK 2006, Study of early stopping criteria for turbo decoding and their applications in WCDMA systems. in 2006 IEEE International Conference on Acoustics, Speech, and Signal Processing - Proceedings., 1660829, ICASSP, IEEE International Conference on Acoustics, Speech and Signal Processing - Proceedings, vol. 3, 2006 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2006, Toulouse, France, 5/14/06.

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abstract = "This paper presents a systematic study of early stopping criteria for Turbo decoding. First, statistical analysis is carried out on numerous hard/soft variables that may be used in an early stopping criterion. Desirable variables are suggested based on their statistical properties. Simulation results show that any stopping criteria based on a single variable will have BER/FER performance loss. Two criteria, each of which uses two variables, are recommended in this paper and neither of them will result in any performance loss. It is also shown in this paper that the thresholds for these variables should be set to be proportional to the logarithm of the block size instead of being proportional to the block size.",

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N2 - This paper presents a systematic study of early stopping criteria for Turbo decoding. First, statistical analysis is carried out on numerous hard/soft variables that may be used in an early stopping criterion. Desirable variables are suggested based on their statistical properties. Simulation results show that any stopping criteria based on a single variable will have BER/FER performance loss. Two criteria, each of which uses two variables, are recommended in this paper and neither of them will result in any performance loss. It is also shown in this paper that the thresholds for these variables should be set to be proportional to the logarithm of the block size instead of being proportional to the block size.

AB - This paper presents a systematic study of early stopping criteria for Turbo decoding. First, statistical analysis is carried out on numerous hard/soft variables that may be used in an early stopping criterion. Desirable variables are suggested based on their statistical properties. Simulation results show that any stopping criteria based on a single variable will have BER/FER performance loss. Two criteria, each of which uses two variables, are recommended in this paper and neither of them will result in any performance loss. It is also shown in this paper that the thresholds for these variables should be set to be proportional to the logarithm of the block size instead of being proportional to the block size.

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M3 - Conference contribution

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BT - 2006 IEEE International Conference on Acoustics, Speech, and Signal Processing - Proceedings

T2 - 2006 IEEE International Conference on Acoustics, Speech and Signal Processing, ICASSP 2006

Y2 - 14 May 2006 through 19 May 2006

ER -

Study of early stopping criteria for turbo decoding and their applications in WCDMA systems

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