An efficient cooperative retransmission for wireless regenerative relay networks

Quoc Tuan Vien, Brian G. Stewart, Huaglory Tianfield, Huan X. Nguyen

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    6 Citations (Scopus)

    Abstract

    This paper considers retransmission mechanisms in wireless regenerative relay networks. The retransmission can be realized in a cooperative manner with the assistance of all available relays. This may result in a high overall power consumption due to a considerable number of overlapped packets in the retransmission, especially when the number of relays is large. In this paper, we propose a cooperative retransmission (CR) scheme based on relay cooperation and binary XOR operation to significantly reduce the number of packets to be retransmitted for a more power efficient system with non-overlapped retransmission. Particularly, we derive the error probability of the retransmission decision at the source and relays, which shows that the proposed CR scheme also improves the reliability of the retransmission. Finally, simulation results are presented to verify the analytical findings and show that the proposed CR scheme reduces the number of retransmissions and removes overlapped retransmitted packets.

    Original languageEnglish
    Title of host publication2012 IEEE Global Communications Conference (GLOBECOM)
    PublisherIEEE
    Pages4417-4422
    Number of pages6
    ISBN (Electronic)9781467309219
    ISBN (Print)9781467309202
    DOIs
    Publication statusPublished - 22 Apr 2013
    EventIEEE Global Communications Conference, GLOBECOM 2012 - Disneyland® Hotel , Anaheim, United States
    Duration: 3 Dec 20127 Dec 2012
    https://globecom2012.ieee-globecom.org/

    Publication series

    NameGLOBECOM - IEEE Global Telecommunications Conference

    Conference

    ConferenceIEEE Global Communications Conference, GLOBECOM 2012
    Country/TerritoryUnited States
    CityAnaheim
    Period3/12/127/12/12
    Internet address

    Keywords

    • radio networks
    • relay networks (telecommunication)
    • telecommunication transmission lines

    ASJC Scopus subject areas

    • Electrical and Electronic Engineering

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