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    Performance Evaluation of the Priority Resolution Scheme in PLC Networks


    Cano, Christina and Malone, David (2014) Performance Evaluation of the Priority Resolution Scheme in PLC Networks. In: 2014 18th IEEE International Symposium on Power Line Communications and its Applications (ISPLC). IEEE, pp. 290-295. ISBN 9781479949809

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    Abstract

    Power Line Communications standards, such as Homeplug and IEEE 1901, aim to provide strict channel access prioritisation in CSMA/CA mode. This is achieved by making lower-priority access categories postpone contention when packets belonging to categories with higher priority are pending for transmission. For this purpose, specific slots in which stations advertise the priority of the current packets to be transmitted are allocated. However, they are only present after the occurrence of successful frame exchanges. Thus, in lightly loaded conditions as well as after channel errors or collisions, the priority resolution mechanism is not employed. In this work, we evaluate the implications of these features on the QoS experienced by each access category. Results show the network provides a complex performance behaviour caused by the interdependence of higherpriority traffic contention and lower-priority traffic preemption.

    Item Type: Book Section
    Additional Information: This work has been partially supported by the Science Foundation Ireland grant 08/SRC/I1403 and 07/SK/I1216a.
    Keywords: Power Line Communications; Homeplug; IEEE 1901; QoS; Access Categories; Priority Resolution;
    Academic Unit: Faculty of Science and Engineering > Research Institutes > Hamilton Institute
    Faculty of Science and Engineering > Mathematics and Statistics
    Item ID: 6304
    Identification Number: https://doi.org/10.1109/ISPLC.2014.6812330
    Depositing User: Dr. David Malone
    Date Deposited: 19 Aug 2015 15:57
    Publisher: IEEE
    Refereed: Yes
    Funders: Science Foundation Ireland (SFI)
    URI:

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