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Abstract
In this paper, the existing ad hoc on demand multipath distance vector (AOMDV) routing scheme for vehicular ad hoc networks (VANETs) is extended to a reliable low-latency multipath routing (RLLMR) scheme based on multipath link reliability, capable of determining the reliable routes preemptively. Here, the link reliability refers to the probability that a direct transmission link among any two vehicles remains constantly available for a specific period of time, which can be computed based on the position, route, and velocity of the vehicles to facilitate the reliable routing process in VANETs. In the proposed RLLMR scheme, the mathematical distribution of vehicles movements and link breakages is also considered to increase the reliability of the vehicular networks. The simulation results show that proposed RLLMR scheme performs better compared to existing schemes in terms of latency, reliability, throughput, and energy consumption at the cost of marginally increased routing overhead.
Highlights
As an essential part of smart cities, intelligent transportation systems (ITS) and vehicular ad hoc networks (VANETs) have attracted immense attentions from academia and industries
We employed the link reliability in VANETs routing to a multipath routing scheme based on reliability and shows the benefits of employing the link reliability to enhance the performance of existing ad hoc on demand multipath distance vector (AOMDV) scheme in VANETs
The routing reliability is integrated with AOMDV routing scheme to discover reliable low-latency multipath routing (RLLMR) scheme
Summary
As an essential part of smart cities, intelligent transportation systems (ITS) and vehicular ad hoc networks (VANETs) have attracted immense attentions from academia and industries It is considered as a unique type of mobile ad hoc networks (MANETs) [1]. An effective and most reliable low-latency multipath routing scheme is vital for data dissemination to deal with the dynamic environment of VANETs. In the absence of an efficient and reliable lowlatency multi-path routing schemes, vehicles may not be able to exchange information and will lose all the advantages offered by the advance VANETs technology. The proposed model checks and includes a most stable route from other vehicles which belong to similar groups. In [9], Feng et al proposed a speed-based routing scheme, which depends on the relative speed among the transmitting and sending node. The area to which the packet is forwarded is predicted by estimating the future path of the receiver node depending on the position information and the speed
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