Spatially-coupled LDPC coding in cooperative wireless networks

Dushantha Nalin K Jayakody, Vitaly Skachek, Bin Chen

    Результат исследования: Материалы для книги/типы отчетовМатериалы для конференции

    Аннотация

    This paper proposes a new technique of spatially-coupled low-density parity-check (SC-LDPC) code-based soft information relaying scheme for a two-way relay system. We introduce an optimized SC-LDPC codes in relay channels. A more precise model is proposed to characterize the soft noise on the soft symbols, using a pre-calculated look-up table at the destination. This requires less signalling overhead compared to existing soft noise modelling techniques. We also introduce a variance correction factor to provide a rectification to the equivalent total noise variance at the destination. Finally, we modify the LLR former at the destination which is tailored to the proposed soft information relaying technique. Simulation results demonstrate that the proposed relay protocol yields an improved BER performance compared to competitive schemes proposed in the literature.

    Язык оригиналаАнглийский
    Заголовок главной публикации2016 IEEE Wireless Communications and Networking Conference, WCNC 2016
    ИздательInstitute of Electrical and Electronics Engineers Inc.
    Том2016-September
    ISBN (электронная версия)9781467398145
    DOI
    Статус публикацииОпубликовано - 12 сен 2016
    Событие2016 IEEE Wireless Communications and Networking Conference, WCNC 2016 - Doha, Катар
    Длительность: 3 апр 20167 апр 2016

    Конференция

    Конференция2016 IEEE Wireless Communications and Networking Conference, WCNC 2016
    СтранаКатар
    ГородDoha
    Период3.4.167.4.16

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    ASJC Scopus subject areas

    • Engineering(all)

    Цитировать

    Jayakody, D. N. K., Skachek, V., & Chen, B. (2016). Spatially-coupled LDPC coding in cooperative wireless networks. В 2016 IEEE Wireless Communications and Networking Conference, WCNC 2016 (Том 2016-September). [7564992] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/WCNC.2016.7564992