An Efficient Iterative Decoding Stop Criterion Algorithm using Error Probability Variance Value of Turbo Code 


Vol. 29,  No. 10, pp. 1387-1394, Oct.  2004


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  Abstract

Turbo code, a land of error correction coding technique, has been used m the field of digital mobile communication systems And It 18 well known about the fact that turbo code has better the BER performance as the number of decoding iterations increases m the AWGN charmel environment. However, as the number of decoding iterations is increased under the several channel environments, any further iteration results in very little improvement, and it requires much delay, computation and power consumption in proportion to the number of decoding iterations In this paper, it proposes the efficient Iterative decoding stop criterion algorithm winch can largely reduce the average number of decoding iterations of turbo code Through simulations, It is verifying that the proposed algorithm can efficiently stop the iterative decoding by using the variance value of error probability for the soft output value, and can largely reduce the average number of decoding iterations without BER performance degradation. AB a result of simulation, the average number of decoding iterations for the proposed algorithm is reduced by about 2.25%-14.31% and 379-14.38% respectively compared to conventional schemes, and power consumption is saved in proportion to the number of decoding iterations.

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  Cite this article

[IEEE Style]

D. Jeong, B. Shim, S. Lim, T. Kim, H. Kim, "An Efficient Iterative Decoding Stop Criterion Algorithm using Error Probability Variance Value of Turbo Code," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 10, pp. 1387-1394, 2004. DOI: .

[ACM Style]

Dae-ho Jeong, Byoung-Sup Shim, Soon-Ja Lim, Tae-hyung Kim, and Hwan-yong Kim. 2004. An Efficient Iterative Decoding Stop Criterion Algorithm using Error Probability Variance Value of Turbo Code. The Journal of Korean Institute of Communications and Information Sciences, 29, 10, (2004), 1387-1394. DOI: .

[KICS Style]

Dae-ho Jeong, Byoung-Sup Shim, Soon-Ja Lim, Tae-hyung Kim, Hwan-yong Kim, "An Efficient Iterative Decoding Stop Criterion Algorithm using Error Probability Variance Value of Turbo Code," The Journal of Korean Institute of Communications and Information Sciences, vol. 29, no. 10, pp. 1387-1394, 10. 2004.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880