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One key goal of Vehicular Ad-hoc Networks (VANETs) is to provide sufficient Quality-of-Service (QoS) for real-time safety applications. These applications facilitate wireless broadcast warning messages between neighboring vehicles to inform drivers on time about dangerous situations like accidents. The IEEE 1609.4 standard in DSRC defines a MAC layer implementation for multichannel operations in VANETs...
Mechanical systems in cars are replaced by electronic equivalents. To be authorized for the road, validation that the replacements are at least as good as the old systems is required. For electronic braking systems (brake-by-wire), this goodness translates to safety in terms of maintaining timing constraints. Yet, in the future, the safety of braking maneuvres will depend, not only, on electronic...
Driven by road safety requirements and intelligent traffic control, Vehicular Ad-hoc Networks (VANETs) have been attracting significant interest in both academia and industry. One key goal of VANETs is to provide sufficient Quality-of-Service (QoS) for real-time safety applications. The MAC protocol for VANETs is crucial to provide for an efficient and reliable medium access. The challenge is to design...
Traffic safety applications exploit vehicle-to-vehicle communication is an emerging and promising area within the intelligent transportation system (ITS) environment. This objective would be achieved essentially by the employ of efficient safety applications which should be able to wirelessly broadcast warning messages between neighboring vehicles in order to inform drivers about a dangerous situation;...
In the last decade, cooperative communication and network coding techniques gained rising attention. Based on these techniques, this paper introduces a novel protocol called cooperation and network coding based MAC (CNCMAC) for vehicular ad-hoc networks (VANETs). It employs cooperative automatic repeat request (ARQ) and network coding techniques to enhance throughput. The CNC-MAC protocol works in...
Established in 1989, the Washington Accord is an international accreditation covenant for the undergraduate engineering programs. It recognizes that there is significant equivalency of the engineering programs accredited by those signatories and that graduates of accredited programs in any of the signatory countries are acknowledged by the other signatory countries as having met the academic requirements...
Cooperative driving and the associated need for vehicular communication motivate vehicular ad-hoc networks (VANETs). One major challenge is to provide for robust communication — in spite of highly dynamic topologies and the presence of shielding obstacles — without installing extra relay infrastructure. Traffic-density information and density estimation schemes are a valuable asset to approach this...
Previous works for airborne ad-hoc networks based on full connectivity is not suitable for actual situations in the sky. To solve this problem, in this poster, we propose a new DTN routing protocol by introducing multi-copy scheme with utility based forwarding. The proposed scheme introduces bounding box for dense deployment and new utility metric for data packet routing for sparse deployment. Simulation...
"Universal service" is the policy that all Pakistani Nationals, especially those located in rural areas, should have the opportunity to use same affordable telephony and related services as provided to the urban population in a sustainable manner keeping in view the as available resources. The policy rests on the maxim that all Pakistani, both residing in urban and rural areas, should benefit...
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