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In this study, the fastest path algorithm which is known as a routing method from source to destination and Ant colony method which is known to be adaptable to the dynamic changes in the network are compared for average hop counts, power consumption and packet arrival delays by implementing a mobile network simulation. Even the average hop counts for both algorithms reach to almost same value at the...
Delay tolerant networking (DTN) is a new store-and-forward architecture and protocol suite for the networks which is intermittent connectivity. Depending on the nodes ability of store and forward, the messages are delivered to their destination with the proper choice of routing protocol by nodes' mobility. In order to successful delivery, many routing protocols use multiply copies methods. Although...
We are concerned with routing data in networks where the topology ranges from dense to sparse and mostly connected to mostly disconnected. Connection orientated routing algorithms developed for connected environments fail in disconnected environments, due to the instability of these networks. Similarly, forwarding strategies designed to disseminate data hop-by-hop in disconnected environments fail...
We present a framework for performance evaluation and optimization of video applications in mobile multi hop networks. We focus on the perceived video quality depending on the simulated mobility model, traffic pattern, retransmission strategy, and the configuration of the routing protocol. Moreover, the functionality of the framework is demonstrated by evaluating the performance of a video surveillance...
Although wireless mesh network is one of the most hotspots in wireless network field, the routing protocol standardization is still on the way. In this paper, an improved routing protocol based on AODV, MODVWLS, is proposed by using combinative metric, which is composed of node's available bandwidth, buffer queue and throughput, as routing metric. The metric of each hop is accumulated, and the path...
A fundamental issue arising in mobile ad hoc networks (MANETs) is the selection of the optimal path between any two nodes. A method that has been advocated to improve routing efficiency is to select the most stable path so as to reduce the latency and the overhead due to route reconstruction. In this work, we study both the availability and the duration probability of a routing path that is subject...
Multimedia data communication in mobile ad hoc networks involves link un-stability and link-failures. So the existing design of routing protocols failed to achieve a stable QOS. In this paper, we developed an ant colony-based routing protocol for multimedia communications in mobile ad hoc networks. The routing protocol first establishes multiple paths between the source and destination of a data session...
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