Performance Evaluation of Interleavers for Turbo Codes

Turbo codes performance depends on various components like encoder, decoder and interleaver. The variation lies in the components with metrics of complexity and bit error rate. Interleaver is an important component of turbo code that plays a key role in the determination of its performance. The sequence of symbols is permuted by interleaver. They are widely applied in the improvement of coding schemes' error correction capabilities by increasing the code randomness over the noisy channels. This paper evaluates the effectiveness of Block, Helical and Random interleaver with their performance analysis.