Reduced Complexity DVB-RCS Turbo Decoder

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Provided by: Institute of Electrical and Electronics Engineers
Topic: Hardware
Format: PDF
Turbo codes are employed in many robust wireless digital communication systems. Those codes have been adopted for the satellite return channel in Digital Video Broadcasting Return Channel via Satellite (DVB-RCS) standards. The implementation for such codes is complex and dissipates a large amount of power. For decoder hardware implementation, reduced complexity leads to low power consumption which is considered a key implementation issue. This paper investigates the decoder input quantization of low complexity decoding algorithm and proposes an algorithm for efficient decoder quantization to achieve significant improvement in the hardware implementation of the decoder architecture.
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