DC-free turbo coding scheme for GPRS system

Authors:
M. Amr Mokhtarc;A. Refaey-Ahmed
Affiliations:
Electrical Engineering Department, Alexandria University, Egypt;Electrical Engineering Department, Alexandria University, Egypt
Venue:
TELE-INFO'06 Proceedings of the 5th WSEAS international conference on Telecommunications and informatics
Year:
2006

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Abstract

A useful tool in the design of reliable digital communication systems is channel coding. Turbo codes have been shown to yield an outstanding coding gain close to theoretical limits in the Additive White Gaussian Noise (AWGN) channel. Recently, they have been studied over Rayleigh fading channel as well and showed a remarkable performance. In this paper, we propose a DC-Free Turbo coding scheme and Turbo coding scheme to replace the Convolutional coding already in use in the General Packet Radio Service (GPRS) system. Evaluation of the proposed encoder by means of computer simulation has shown a performance improvements.