An Efficient and Reliable Geographic Routing Protocol Based on Partial Network Coding for Underwater Sensor Networks

Kun Hao, Zhigang Jin, Haifeng Shen, Ying Wang

    Research output: Contribution to journalArticlepeer-review

    31 Citations (Scopus)

    Abstract

    Efficient routing protocols for data packet delivery are crucial to underwater sensor networks (UWSNs). However, communication in UWSNs is a challenging task because of the characteristics of the acoustic channel. Network coding is a promising technique for efficient data packet delivery thanks to the broadcast nature of acoustic channels and the relatively high computation capabilities of the sensor nodes. In this work, we present GPNC, a novel geographic routing protocol for UWSNs that incorporates partial network coding to encode data packets and uses sensor nodes’ location information to greedily forward data packets to sink nodes. GPNC can effectively reduce network delays and retransmissions of redundant packets causing additional network energy consumption. Simulation results show that GPNC can significantly improve network throughput and packet delivery ratio, while reducing energy consumption and network latency when compared with other routing protocols.

    Original languageEnglish
    Pages (from-to)12720-12735
    Number of pages16
    JournalSensors
    Volume15
    Issue number6
    DOIs
    Publication statusPublished - 28 May 2015

    Keywords

    • Energy consumption
    • Geographic routing
    • Packet delivery ratio
    • Partial network coding
    • Underwater sensor networks (UWSNs)

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