Digital Mobile Radio (DMR) is widely used in mission-critical communication due to its cost-effectiveness. However DMR only provide voice service for users in a small range. To address these limitations, a protocol conversion gateway named DoIP was designed and implemented to allow DMR devices to access a variety of communication services over long distances using the internet. In our proposed hierarchical model, DoIP works in an add-on mode. To meet the requirements of real-time, reliable, and multimedia applications, we designed the DMR frame structure, SPI packet structure, and Internet Protocol (IP) packet structure for inter-layer transmission. We also proposed the mapping rules between different protocols and achieved the conversion of DMR frames to IP packets. Finally, we implemented the DoIP on a commodity DMR repeater and evaluated its performance. The comprehensive evaluation revealed that DoIP successfully realized protocol conversion between DMR and TCP/IP, with a conversion delay of 9.10 ms, a packet loss rate of 0.3%, and an average jitter of 1.90 ms.


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    Title :

    DoIP: A Parallel Protocol Conversion Gateway for DMR over Internet Protocol


    Contributors:
    Wang, Wenkai (author) / Zhu, Lina (author) / Luan, Tom H. (author) / Li, Changle (author)


    Publication date :

    2023-06-01


    Size :

    1771227 byte





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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