Ting-Yi Wu, Po-Ning Chen, Hung-Ta Pai, Y. Han, Shin-Lin Shieh
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Reliability-Based Decoding for Convolutional Tail-Biting Codes
In this work, we proposed a reliability-based enhancement for the decoding of convolutional tail-biting codes (CTBC) from the observations that the decoding does not have to start from the beginning of the received vector, and that the reliability of the received vector can be used to determine a good starting position of the decoding process. Simulations show that our reliability-based enhancement can be used together with existing decoding algorithms of the CTBC to improve either their error rate or complexity.