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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    Titel :

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


    Beteiligte:
    Meng, Xiangming (Autor:in) / Wu, Sheng (Autor:in) / Kuang, Linling (Autor:in) / Ni, Zuyao (Autor:in) / Lu, Jianhua (Autor:in)


    Erscheinungsdatum :

    01.09.2015


    Format / Umfang :

    289639 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch




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