Context-aware rate-adaptive beaconing for efficient and scalable vehicular safety communication
Sebastian, Alvin, Tang, Maolin, Feng, Yanming, & Looi, Mark (2012) Context-aware rate-adaptive beaconing for efficient and scalable vehicular safety communication. International Journal of Communications, Network and System Sciences, 5(9), pp. 534-547.
Vehicular safety applications, such as cooperative collision warning systems, rely on beaconing to provide situational awareness that is needed to predict and therefore to avoid possible collisions. Beaconing is the continual exchange of vehicle motion-state information, such as position, speed, and heading, which enables each vehicle to track its neighboring vehicles in real time. This work presents a context-aware adaptive beaconing scheme that dynamically adapts the beaconing repetition rate based on an estimated channel load and the danger severity of the interactions among vehicles. The safety, efficiency, and scalability of the new scheme is evaluated by simulating vehicle collisions caused by inattentive drivers under various road traffic densities. Simulation results show that the new scheme is more efficient and scalable, and is able to improve safety better than the existing non-adaptive and adaptive rate schemes.
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|Item Type:||Journal Article|
|Keywords:||VANET, DSRC, Vehicular Safety Communication, Context-Aware|
|Subjects:||Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > OTHER INFORMATION AND COMPUTING SCIENCES (089900) > Information and Computing Sciences not elsewhere classified (089999)|
|Divisions:||Current > Schools > School of Electrical Engineering & Computer Science|
Current > Institutes > Institute for Future Environments
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2012 Scientific Research Publishing|
|Deposited On:||17 Sep 2012 09:10|
|Last Modified:||19 Sep 2012 22:39|
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