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    Exploring the use of local inconsistency measures as thresholds for dead reckoning update packet generation


    Roberts, Dave and Marshall, Damien and McLoone, Seamus and Delaney, Declan and Ward, Tomas E. (2005) Exploring the use of local inconsistency measures as thresholds for dead reckoning update packet generation. In: Distributed Simulation and Real Time Applications, October, 2005, Montreal, Canada.

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    Abstract

    Human-to-human interaction across distributed applications requires that sufficient consistency be maintained among participants in the face of network characteristics such as latency and limited bandwidth. Techniques and approaches for reducing bandwidth usage can reduce network delays, exploiting available bandwidth by reducing the network traffic. However, these approaches induce inconsistencies within the level of human perception. Dead reckoning is a well-known technique for reducing the number of update packets transmitted between participating nodes. It employs a distance threshold for deciding when to generate update packets. This paper questions the use of such a distance threshold in the context of absolute consistency and it highlights a major drawback with such a technique. An alternative threshold criterion based on time and distance is examined and it is compared to the distance only threshold. A drawback with this proposed technique is also identified and a hybrid threshold criterion is then proposed. However, the trade-off between spatial and temporal inconsistency remains.

    Item Type: Conference or Workshop Item (Paper)
    Keywords: local inconsistency measures; dead reckoning update packet generation;
    Academic Unit: Faculty of Science and Engineering > Electronic Engineering
    Item ID: 1308
    Depositing User: Dr Tomas Ward
    Date Deposited: 25 Mar 2009 12:41
    Refereed: Yes
    URI:

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