Network coding-based block acknowledgement scheme for wireless regenerative relay networks

Quoc Tuan Vien, Huan Nuygen, Jinho Choi, Brian Stewart, Huaglory Tianfield

    Research output: Contribution to journalArticle

    Abstract

    This paper is concerned with block acknowledgement (ACK) mechanisms in wireless regenerative relay networks. In an N-relay network, a total of (2N+1) block ACK packets is required to acknowledge the data transmission between source and destination nodes via the N-relay nodes. In this paper, the authors propose a block ACK scheme based on network coding (NC) to significantly reduce the ACK overheads by N block ACK packets. In addition, this achieves a reduction of N(N–1) computational operators. Particularly, we derive the error probability of the determination of the packets to be retransmitted at the source and relays, which shows that the NC-based scheme also improves the reliability of block ACK transmissions.
    Original languageEnglish
    Pages (from-to)2593-2601
    Number of pages9
    JournalIET Communications
    Volume6
    Issue number16
    DOIs
    Publication statusPublished - Nov 2012

    Keywords

    • wireless systems
    • relay networks
    • data transmission

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