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WSN(Wireless sensor network) depicted as an emerging technology, with its potential applications in the field of territory monitoring and industrial applications. The sensors employed in the surrounding environment will monitor the physical attribute changes such as temperature, humidity, etc. and makes notice of the data being gathered and delivers the gathered information to the (BS) base station...
The limited battery supply of a sensor node is one of the most important factors that limit the lifetime of the WSNs. As a consequence, increasing the lifetime of WSNs through energy efficient mechanisms has become a challenging research area. Previous studies have shown that instead of implementing direct transmission or multi-hop routing, clustering can significantly improve the total energy dissipation...
Wireless sensor networks are composed of a large number of sensor nodes with limited energy resources. One critical issue in wireless sensor networks is how to gather sensed information in an energy efficient way since the energy is limited. The clustering algorithm is a technique used to reduce energy consumption. It can improve the scalability and lifetime of wireless sensor network. In this paper...
In this paper we present a distributed self organizing trust based clustering framework for securing ad hoc networks. The mobile nodes are vulnerable to security attacks, so ensuring the security of the network is essential. To enhance security, it is important to evaluate the trustworthiness of nodes without depending on central authorities. In our proposal the evidence of trustworthiness is captured...
Heterogeneous Sensor Networks are more powerful and efficient than homogeneous sensor networks. It has been shown that homogeneous sensor networks perform poorly because of routine limits and scalability. In our research, we consider to use heterogeneous topology to securely route data in a wireless sensor network. The given area of interest is initially partitioned into Voronoi clusters, where low-end...
Heterogeneous Sensor Networks are more powerful and efficient than homogeneous sensor networks. It has been shown that homogeneous sensor networks perform poorly because of routine limits and scalability. In our research, we consider to use heterogeneous topology to securely route data in a wireless sensor network. The given area of interest is initially partitioned into Voronoi clusters, where low-end...
Clustering is a good method to increase WSN lifetime and particularly for smart environment. In this paper, we present fuzzy position based routing for clustered sensor network. It is very useful for the smart environment applications of wireless sensor network without GPS support. The destinations could be located with ambiguous position vectors, and the long time and energy consumption of requesting/replying...
DHT systems are structured overlay networks capable of using P2P resources as a scalable platform for very large data storage applications. However, their efficiency expects a level of uniformity in the association of data to index keys that is often not present in inverted indexes. Index data tends to follow non-uniform distributions, often power law distributions, creating intense local storage...
This paper studies the effects of clustering as a pre-processing step and routability estimation in the placement flow. The study shows that when clustering and routability estimation are considered, the placer effectively improves the routed wirelength for the circuits of IBM-PLACE 2.0 standard-cell Benchmark Suite and results in the best average routed wirelength when compared against state-of-the-art...
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