A Cascaded Bit Coupled Architecture for Turbo Codes for Error Detection and Correction with Puncturing
Keywords:
Internet of Things (IoT), Trustworthiness, Information Theory, Turbo Codes, (BCJR) algorithm, recursive decoding, bit sharing, bit error rateAbstract
Internet of things (IoT) is being explored today for a wide variety of automated networks. However, once of the concerns associated with IoT is trustworthiness of data transfer which makes error detection and correction extremely important. In the proposed technique, the adjacent code block information and parity bits have been coupled so as to enhance upon the performance of the only information cup-led or partially coupled turbo coding technique. The interleaving technique has been kept as the block interleaving technique with row wise read and column wise write operations being done. Non adjacent code block coupling of the Information and Parity bits has not been employed deliberately so as to cut down on the already complex Bahl, Cocke, Jelinek and Raviv (BCJR) decoding mechanism for the turbo codes. In the proposed work, the BER analysis has been employed which clearly shows that the proposed technique attains lesser BER compared to previously existing technique which has been considered as the primary reference.
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