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DSR protocol is less considered for practical application due to its more limitations against other routing protocols. Modification in DSR protocol can make it considerable and it can improve energy efficiency to enhance lifetime of battery operated mobile adhoc networks. This paper proposes the modification for route discovery mechanism in normal DSR protocol for energy efficient route establishment...
In opportunistic networks, rather than accepting an end-to-end communication in the conventional Internet model. Opportunistic networking stems from the research area of mobile ad-hoc networks (MANET). Opportunistic networks are wireless networks in which a completely connected path from source to destination is not likely to exist. Mobile ad hoc routing protocol allows nodes with wireless adaptors...
For many years, opportunistic networks have gained fame in research and industry as a natural evolution of mobile ad hoc networks (MANETs). It is a more common concept of delay tolerant networks, which opens an exciting path for connecting nodes opportunistically. It communicates wirelessly and at the similar time expands the possibilities for real-life application problems. In this paper, a base...
A sensor network consisting of hundreds to thousands of small and limited powered nodes with a processing unit called sink or base station connected wirelessly is called a wireless sensor network. It is considerably reasonable to design and develop these small, limited powered sensing nodes with low cost. As these nodes are limited battery powered therefore energy conservation is a key issue. Various...
Wireless sensor networks represent an innovative prototype for extracting data from the environment for various applications. It consist of various sensors which send their sensed data to base station. So energy preservation is a key issue for sensor nodes as they have restricted power. This has led to a number of routing scheme for maximizing the network lifetime. In this paper we have enhanced the...
Wireless sensor network consisting of various tiny wireless sensor nodes that are equipped with transmission devices that require some amount of energy to transmit the data to other node(s). Most often we cannot charge or change the battery of sensor nodes during transmission. To preserve the longetivity of the network it is very challenging task to build a sensor node that require very little amount...
In MANET's, the routing protocols find routes based on the shortest hop count metric. Due to this the possibility that the selected route may be unreliable in terms of stability, congested & high interference if the network is loaded with heavy traffic.Mobility may also high in such random selected routes. We proposed a routing protocol that uses the link quality information that is calculated...
Routing protocols in wireless ad hoc networks experience high control overhead due to frequent path breaks that occur due to mobility of nodes, which leads to flooding of control packets throughout the network. We propose a preferred link based routing protocol that reduces flooding of control packets by selectively allowing some nodes to forward the packets using a preferred list. We propose two...
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