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Wireless Sensor Networks (WSN) consists of many small compact devices equipped with sensors. It is a very popular area for exploration. The nodes are movable and set themselves into a network. However in larger networks, geographical routing protocol is required. Geographical routing uses location information to send the packets to the target region. In this paper, some of major geographic routing...
Topology change is the main factor that affects the network life time of Wireless Sensor Network (WSN) applications. In static WSN, the topology change is often caused by node failure which is due to energy depletion. However, in the Mobile WSN (MWSN), the main reason of the topology change is caused by the node movement. Since the mobile sensor nodes are limited in power supply and have a low radio...
Sensor deployment is one of the key topics addressed in Wireless Sensor Network (WSN). This paper proposes a new deployment technique of sensor nodes for WSN called as Quasi Random Deployment (QRD). The novel approach to deploy sensor nodes in QRD fashion is to improve the energy efficiency of the WSN in order to increase the network life time and coverage. The QRD produces highly uniform coordinates...
In this paper, we present the simulation results of the comparative investigation of the performance of the constrained flooding routing protocol (CF) based on different path loss exponents using PROWLER. Our simulation results indicate that the path loss exponent 4.10 increases the network lifetime for the CF routing protocol than the path loss exponent 3.0.
In wireless sensor networks (WSNs), multi-path routing can find multiple paths from source node to sink node. In data transmission, multiple paths can be used to improve reliability, energy-efficiency, etc. In the literature, there have been many works about multi-path routing. But those multi-path routing protocols are not efficient as they cost much time and energy to construct multiple paths. In...
Sensor networks are a sensing, computing and communication infrastructure that are able to observe and respond to phenomena in the natural environment and in our physical and cyber infrastructure. The sensors themselves can range from small passive micro-sensors to larger scale, controllable weather-sensing platforms. To reduce the consumed energy of a large scale sensor network, we consider a mobile...
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