A reliable and timely medium access control protocol for vehicular ad hoc networks

Authors:
Lida Rezazade;Hadi S. Aghdasi;Seyed Ali Ghorashi;Maghsoud Abbaspour
Affiliations:
Cognitive Telecommunications Research Group, Electrical Engineering Department, Shahid Beheshti University G.C., Evin 1983963113, Tehran, Iran;Wireless Networking Laboratory, Computer Engineering Department, Shahid Beheshti University G.C., Evin 1983963113, Tehran, Iran;Cognitive Telecommunications Research Group, Electrical Engineering Department, Shahid Beheshti University G.C., Evin 1983963113, Tehran, Iran;Wireless Networking Laboratory, Computer Engineering Department, Shahid Beheshti University G.C., Evin 1983963113, Tehran, Iran
Venue:
International Journal of Ad Hoc and Ubiquitous Computing
Year:
2013

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Abstract

Many vehicular safety applications can be implemented more easily and practically by using reliable and real-time communications between vehicles and roadside infrastructures. Neither schedule-based nor contention-based conventional MAC protocols can properly satisfy the safety requirements of such applications. In contention-based protocols, packets may experience unbounded delays and schedule-based protocols are sensitive to users' motion. In this paper, a new STDMA MAC protocol which provides both reliable and real-time medium access is introduced. Simulation results show that the proposed protocol has succeeded in providing an acceptable level of reliable and real-time communications, simultaneously.