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Journal of Applied Sciences
  Year: 2008 | Volume: 8 | Issue: 10 | Page No.: 1972-1976
DOI: 10.3923/jas.2008.1972.1976
 
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An Investigation of Code Matched Interleaver for 3G Turbo Code Systems
B. Balamuralithara and S. Kalpana

Abstract:
In this research, we have investigated Code Matched Interleaver (CMI) in turbo code system for both 3G Wireless Communication standards-WCDMA and cdma2000 systems-to substitute 3G interleavers, which are complex. The code matched interleaver design formula in both 3G turbo code systems is obtained through a meticulous study on the weight distributions of the systems. The simulation results for the 3G turbo code system using CMI for N = 400 (WCDMA) and N = 378 (cdma2000), code rate = 1/3 with Log-MAP decoder over Additive White Gaussian Noise (AWGN) and Rayeligh fading channel are obtained and compared with 3G turbo code system using typical 3G interleavers. From the performance results, it is observed that the 3G turbo code system using CMI performs better than the typical 3G turbo code with coding gain of 0.15-0.35 dB.
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How to cite this article:

B. Balamuralithara and S. Kalpana, 2008. An Investigation of Code Matched Interleaver for 3G Turbo Code Systems. Journal of Applied Sciences, 8: 1972-1976.

DOI: 10.3923/jas.2008.1972.1976

URL: https://scialert.net/abstract/?doi=jas.2008.1972.1976

 
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