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Vehicle mobile ad-hoc networks (VANETs) are becoming the mainstream of network research in these days. Researches have been carried out from many aspects. However, due to the limitation of the characteristics of VANETs, the implementation in real-world still requires much effort to overcome the shortcomings to guarantee a reliable link and efficient data delivery. In the paper, we present an improved...
This paper proposes a geographical routing algorithm based on Zone Routing Protocol (ZRP) to limit the area for discovering a new route by utilizing location information of nodes. Mobile Ad Hoc Networks (MANETs) have attracted much attention in the research and the industry. In MANETs using ZRP algorithm, nodes use Route REQuest messages (RREQs) to obtain a new route often by bordercasting them to...
We address the route optimization problem for a nested mobile IPv6 NEtwork MObility (NEMO) environment. We propose an adaptive scheme which can optimize the routing process of the data communication, and minimize the end-to-end delay. The adaptive scheme consists of two sub-schemes: mobility-transparency sub-scheme and time-saving sub-scheme. The mobility-transparency sub-scheme performs well for...
As effective routing is critical in mobile ad hoc networks (MANETs), the Ad hoc On-demand Distance Vector (AODV) has been extensively studied in recent years. Given that AODV requires a new route discovery procedure whenever a link breaks, such frequent route discoveries incur a high routing overhead and increase end-to-end delay. Therefore, by modifying the AODV protocol, this work presents a novel...
The focus of this letter is to derive a scaling law for the ene-to-end delay of wireless random networks under node mobility, where n nodes randomly move with the speed of v. To that end, we apply the cover time analysis and relate it to the delay scaling law. As a result, we derive that the mean delay per S-D pair as ??(n) or ??(??(n)/v), and the worst case delay is ??(n log n) or ??(??(n) log n/v),...
The aim of this paper is to present a novel multipath routing approach in MANETs as new extensions to AODV, a well-known traditional reactive routing protocol. The approach is called Threshold efficient Routes in multipath AODV (TRAODV) which is a link-disjoint multipath extension that tries to optimise routing delay overhead in the route discovery process of traditional AODV. The optimisation in...
For mobile ad-hoc wireless network, the route protocol is very important. This paper proposes a modified CBRP scheme based on the cloud model to improve the performance. And some experiments are conducted, the results show that the ad-hoc network will be lower average end-to-end delay and higher packet delivery ratio with the proposed scheme.
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