Forwarding mechanism using prioritized forwarders for opportunistic routing

Taku Yamazaki, Ryo Yamamoto, Takumi Miyoshi, Takuya Asaka, Yoshiaki Tanaka

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

    1 Citation (Scopus)


    In ad hoc networks, backoff-based OR (opportunistic routing) protocols, which autonomously selects a forwarder among the potential forwarders based on a random backoff time, have been proposed. However, each potential forwarder must wait for the backoff time to avoid packet collisions among receivers. In addition, the terminal density strongly affects the performance since the backoff-based OR protocols improve the performance by using multiple terminals. In this paper, we propose a novel OR protocol called PRIOR (prioritized forwarding for opportunistic routing). In PRIOR, a terminal called prioritized forwarder, which forwards packets without using a backoff time, is selected among neighbours. In addition, we propose a hop-by-hop retransmission control that performs the retransmission terminal selection on the basis of a neighbour relation with the PFs. Moreover, we introduce an explicit acknowledgement mechanism on the basis of the difference of hop counts to alleviate the bad effect of the retransmission control in dense environments. Finally, we evaluate PRIOR in comparison with conventional backoff-based OR protocols in computer simulation.

    Original languageEnglish
    Title of host publication18th Asia-Pacific Network Operations and Management Symposium, APNOMS 2016: Management of Softwarized Infrastructure - Proceedings
    PublisherInstitute of Electrical and Electronics Engineers Inc.
    ISBN (Electronic)9784885523045
    Publication statusPublished - 2016 Nov 7
    Event18th Asia-Pacific Network Operations and Management Symposium, APNOMS 2016 - Kanazawa, Japan
    Duration: 2016 Oct 52016 Oct 7


    Other18th Asia-Pacific Network Operations and Management Symposium, APNOMS 2016


    • ad hoc networks
    • hop-by-hop retransmission control
    • opportunistic routing
    • prioritized forwarder

    ASJC Scopus subject areas

    • Information Systems and Management
    • Management Information Systems
    • Management of Technology and Innovation
    • Computer Networks and Communications
    • Hardware and Architecture


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