Journal of Systems Engineering and Electronics ›› 2009, Vol. 20 ›› Issue (1): 27-31.

• ELECTRONICS TECHNOLOGY • Previous Articles     Next Articles

Performance analysis of Turbo-Codes in communication channels with impulsive noise

Li Chong, Deng Weibo & Duan Lingjie   

  1. Dept. of Electrical and Information, Harbin Inst. of Technology, Harbin 150001, P. R. China
  • Online:2009-02-18 Published:2010-01-03

Abstract:

Performance of Turbo-Codes in communication channels with impulsive noise is analyzed. First, mathematical model of impulsive noise is presented because it has non-Gaussian nature and is found in many wireless channels due to impulsive phenomena of radio-frequency interference. Then, with linear Log-MAP decoding algorithm for its low complexity, Turbo-Codes are adopted and analyzed in such communication channels. To confirm the performance of the proposed method, simulations on both static and fully interleaved flat Rayleigh fading channels with impulsive noise have been carried out. It is shown that Turbo-Codes have a better performance than the conventional methods (e.g. convolutionally coded system).