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In this paper, we present the results of the comparison of three reactive routing protocols for Wireless sensor networks (WSNs), AODV, DYMO and RPL. For the purpose of performance evaluation, detailed comparisons are made with AODV and DYMO. Simulations are run to estimate the network topology change, routing overhead and average packet End-to-End Delay. We simulate RPL with COOJA based on contiki...
In this paper we focus on beacon-based routing optimization of data-gathering wireless sensor networks. Such a network consists of a sink node and a number of scattered sensor nodes which send data packets back to the sink in a multihop fashion. Usually the routing messages, denoted as “beacon”, are initiated by the sink and spread out the whole network by flooding or gossiping. We believe that the...
The field of Wireless Sensor Networks (WSN) is undergoing a major revolution, opening the prospect of significant impact in many application areas (safety, health, environment, food safety, manufacturing, telecommunications. Routing isfundamental such a network because there is no infrastructure that manages the information exchanged between network nodes. Two major classes of routing algorithms are...
In a Wireless Sensor Network (WSN), the sensor nodes rely upon a multi-hop routing protocol to relay their data to the base station. However, most WSN routing protocols are vulnerable to attacks in which a malicious node can disrupt the routes, drop, modify, or divert data away from the base station. In this paper, we use the ns-2 network simulator to demonstrate the vulnerability of the MintRoute...
A principal factor in sensor network design is energy efficiency. In this work, we propose to extend the lifetime of sensor networks using appropriate choice of sensor node distribution. The key idea of our scheme is to deploy more nodes in areas of extensive energy usage. Using this scheme of sensor node distribution, we use probabilistic angular routing to route data packets from the sensor nodes...
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