In this paper, a random access with priority protocol named irregular repetition slotted ALOHA with priority (PIRSA) is introduced. By optimizing the packets repetition and using successive interference cancellation (SIC), irregular repetition slotted ALOHA (IRSA) has achieved a high throughput. Contention resolution diversity slotted ALOHA with access control (AC-CDRSA) enhances both throughput and efficiency under high traffic load. In P-IRSA, priority is considered in order to handle traffics from the users who demands enhanced access and throughput. Access control is added before the traffic, and users with high priority gain higher probability to access the channel under high traffic load. Further more, performance of the proposed P- IRSA in terms of the packet loss rate, throughput and channel efficiency are verified by simulations and are compared with IRSA and AC-CDRSA protocols. Simulation results show that the throughput of users with high priority can be enhanced under high traffic load with the proposed protocol.


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    Titel :

    Irregular Repetition Slotted ALOHA with Priority (P-IRSA)


    Beteiligte:
    Sun, Jingyun (Autor:in) / Liu, Rongke (Autor:in) / Wang, Yan (Autor:in) / Chen, Chang Wen (Autor:in)


    Erscheinungsdatum :

    2016-05-01


    Format / Umfang :

    374606 byte




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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