Abstract
A useful tool in the design of reliable digital communication systems is channel coding. Turbo codes [1, 2] have been shown to yield an outstanding coding gain close to theoretical Shannon limit in the Additive White Gaussian Noise (AWGN) channel. This is due to relatively large coding gains that can be achieved. Turbo codes are widely used in many communication systems. In this paper, we chose two of them − Mobile WiMAX and UMTS − to study their convolutional turbo encoder’s structure, and then compare their relative Bit Error Rate (BER) performance.
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