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Priority Preemption for Real-Time Application QoS Guarantees in Cooperative Vehicular Networks

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6 Author(s)
Ting Zhou ; Dept. of Comput. & Electron. Eng., Univ. of Nebraska-Lincoln, Omaha, NE, USA ; Sharif, H. ; Hempel, M. ; Mahasukhon, P.
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Inter-vehicle and roadside-to-vehicle communications can contribute to a safer and more efficient driving experience by providing time-sensitive and location-aware information. However, its performance suffers from vehicle mobility, intermittent user connectivity, and wireless channel unreliability. In this paper, we propose a novel cross-layer optimization approach based on our Adaptive Distributed Cooperative Medium Access Control (ADC-MAC) protocol to guarantee the quality-of-service (QoS) of real-time applications. Markov chain based theoretical analysis show that our proposed priority preemption approach can improve the quality of a real-time application by guaranteeing its bandwidth and reducing its transmission latency.

Published in:

Vehicular Technology Conference (VTC Spring), 2011 IEEE 73rd

Date of Conference:

15-18 May 2011

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