Iterative decoding of orthogonal convolutional code is widely used for its excellent performance. However, the iterations lead to high complexity and long decoding delay, which is unsuitable for low- rate voice service in mobile satellite communications with on-board processing. In this paper, a novel scheme of orthogonal convolutional coding as well as an associated non-iterative joint decoding algorithm based on factor graph are proposed. Due to its non-iterative nature, this novel scheme has low decoding complexity and short latency, which indicates its potential on-board use in the low-rate satellite voice service, or other kinds of services with a high bit error rate (BER) tolerance and a tight delay requirement. Simulation results demonstrate the efficacy of the proposed novel coding scheme and non-iterative decoding algorithm in both AWGN and Rician channels.


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    Title :

    Novel Scheme of Orthogonal Convolutional Coding and Non-Iterative Decoding for Mobile Satellite Communication Systems


    Contributors:
    Meng, Xiangming (author) / Wu, Sheng (author) / Kuang, Linling (author) / Ni, Zuyao (author) / Lu, Jianhua (author)


    Publication date :

    2015-09-01


    Size :

    289639 byte




    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English




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