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A flat mobile ad hoc network has an inherent scalability limitation in terms of achievable network capacity. It is seen that when the network size increases, per node throughput of an ad hoc network rapidly decreases. This is due to the fact that in large scale networks, flat structure of networks results in long hop paths which are prone to breaks. These long hop paths can be avoided by using virtual...
Secret sharing is an efficient method of transmitting the image securely. This paper discusses an efficient secret sharing scheme for multiple secret images. It has been shown through the experimental result that the proposed scheme transmits the images secretly and then efficiently recovers the same at the receiver end. This scheme is general in nature and can be applied on any image size. The scheme...
In order to facilitate communication within a mobile ad hoc network, an efficient routing protocol is required to discover routes between mobile nodes. Power is one of the most important design criteria for adhoc networks as batteries provide limited working capacity to the mobile nodes. Power failure of a mobile node not only affects the node itself but also its ability to forward packets on behalf...
In this paper an efficient on demand QoS based routing protocol is developed which considers end to end application requirement and energy efficiency together with the route discovery mechanism of DSR to set up QoS route. The proposed QoS aware protocol works as per the user request for a route. If a request comes for QoS route, based on some application requirement (available bandwidth, transmission...
Secret sharing is an efficient method of transmitting the image securely. This paper discusses an efficient secret sharing scheme. It has been shown through the experimental result that the proposed scheme transmits the image secretly and then efficiently recovers the same at the receiver end. The scheme is general in nature and can be applied on any image size. The scheme comprises of the important...
Mobile ad hoc networking is a challenging task due to the lack of resources in the network as well as the frequent changes in network topology. Although lots of research has been done on supporting QoS in the Internet and other networks, but they are not suitable for mobile Ad hoc networks and still QoS support for such networks remains an open problem. In this paper, a new scheme has been proposed...
The dynamic topology of mobile ad hoc networks (MANETs) and limited battery capacity of mobile nodes entail routing schemes to consider these factors in the route discovery and maintenance. On demand protocols like AODV initially choose an optimum path but initiate a route rediscovery with the first link failure. The variants of these protocols strive to overcome the limitations of high route discovery...
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