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Investigation of using Turbo Code to Improve the Performance of DWT-OFDM System over Selective Fading Channel

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2 Author(s)
Ameen, S.Y. ; Gulf Univ., Sanad ; Hadi, W.A.H.

In this paper DWT-OFDM system was modeled and simulated over Rayleigh selective fading mobile radio channel. Furthermore, a turbo DWT-COFDM system was proposed to improve the BER performance of system. The type of turbo code used is parallel-concatenated convolutional code (PCCC). The simulation results include a comparison between coded and uncoded DWT-OFDM system with different parameters. The result shows that the performance of DWT-OFDM system can be greatly enhanced using the turbo code system. Furthermore, the performance of proposed turbo DWT-COFDM system can be further enhanced with the increasing in the number of iterations and input frame length

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Information and Communication Technologies, 2006. ICTTA '06. 2nd  (Volume:2 )

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