Routing Protocol Enhancement for handling
Node Mobility in Wireless Sensor Networks
G. Santhosh Kumar
1
, Vinu Paul M V
2
, G. Athithan
3
and K Poulose Jacob
4
1,4
Department of Computer Science, Cochin University of Science and Technology, Cochin -682 022,
Kerala, INDIA. Email: {san, kpj}@cusat.ac.in
2,3
Centre for AI and Robotics, DRDO, Bangalore-560 093, INDIA
Email: {vinumanayil, athithan.g}@gmail.com
Authorized licensed use limited to: COCHIN UNIVERSITY OF SCIENCE AND TECHNOLOGY. Downloaded on February 7, 2009 at 06: ....etc

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Abstract
A fundamental problem in wireless sensor networks is to maximize network lifetime under given energy constraints. In this paper, we study the network lifetime problem by considering not only maximizing the time until the first node fails, but also maximizing the lifetimes for all the nodes in the network, which we define as the Lexicographic Max-Min (LMM) node lifetime problem. The main contributions of this paper are two-fold. First, we develop a polynomial-time algorithm to derive the LMM-optimal node lifetime vector, which effec ....etc

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Impact of Node Mobility on Routing Protocols for Wireless Sensor Networks
G. Santhosh Kumar, M.V. Vinu Paul and K. Poulose Jacob
Abstract”
1
Wireless sensor networks monitor their
surrounding environment for the occurrence of some
anticipated phenomenon. Most of the research related to
sensor networks considers the static deployment of sensor
nodes. Mobility of sensor node can be considered as an
extra dimension of complexity, which poses interesting
and challenging problems. Node mobility is a very
important aspect in the des ....etc

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Efficient Node Admission and Certificateless Secure Communication in Short-Lived MANETs

Decentralized node admission is an essential and fundamental security service in mobile ad hoc networks (MANETs).It is needed to securely cope with dynamic membership and topology as well as to bootstrap other important security primitives (such as key management) and services (such as secure routing) without the assistance of any centralized trusted authority.An ideal admission technique must involve minimal interaction among MANET nodes, since connectiv ....etc

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Abstract:
A flexible job scheduling environment to enable jobs to be placed onto its Cray XT3 system in ways that can help them achieve better performance, work on a graphical machine monitor to help visualize jobs placed on the system, and node assignment changes to help minimize communication overhead to all jobs. system changes that have been made to enable them will be discussed Xt3dmon has been developed that features several views of the machine including both physical and wired (logical) ones using node attribute infor ....etc

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Mitigation of Control Channel Jamming under Node Capture Attacks



Abstract:

Availability of service in many wireless networks depends on the ability for network users to establish and maintain communication channels using control messages from base stations and other users. An adversary with knowledge of the underlying communication protocol can mount an efficient denial of service attack by jamming the communication channels used to exchange control messages. The use of spread spectrum techniques can deter an external adversa ....etc

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hai! plz
give any referce for the java code on detection of Seflish node in manets ....etc

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ABSTRACT
Colored Trees (CTs) is an efficient approach to route packets along link-or node-disjoint paths in packet-switched networks. her two trees, namely red and blue, are constructed rooted at a drain such that the path from any node to the drain are link-or node-disjoint. For applications where both the trees are used simultaneously, it is critical to maintain the trees after page link or node failures. this seminar discuss an algorithm, referred to as SimCT, that efficiently constructs and maintains colored trees under failures using only ....etc

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