CRC-Turbo Concatenated Code for Hybrid ARQ System 


Vol. 32,  No. 3, pp. 195-204, Mar.  2007


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  Abstract

The cyclic redundancy check(CRC) code used to decide retransmission request in hybrid automatic repeat request(HRAQ) system can also be used to stop iterative decoding of turbo code if it is used as an error correcting code(ECC) of HARQ system. Thus a scheme to use CRC code for both iteration stop and repeat request in the HARQ system with turbo code based on the standard of cdma 2000 system is proposed in this paper. At first, the optimum CRC code which has the minimum length without performance degradation due to undetected errors is found. And the most appropriate turbo encoder structure is also suggested. As results, it is shown that at least 32-bit CRC code should be used and a turbo code with 3 constituent encoders is considered to be the most appropriate one.

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  Cite this article

[IEEE Style]

W. T. Kim, J. G. Kim, E. K. Joo, "CRC-Turbo Concatenated Code for Hybrid ARQ System," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 3, pp. 195-204, 2007. DOI: .

[ACM Style]

Woo Tae Kim, Jeong Goo Kim, and Eon Kyeong Joo. 2007. CRC-Turbo Concatenated Code for Hybrid ARQ System. The Journal of Korean Institute of Communications and Information Sciences, 32, 3, (2007), 195-204. DOI: .

[KICS Style]

Woo Tae Kim, Jeong Goo Kim, Eon Kyeong Joo, "CRC-Turbo Concatenated Code for Hybrid ARQ System," The Journal of Korean Institute of Communications and Information Sciences, vol. 32, no. 3, pp. 195-204, 3. 2007.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880