Wireless Sensor Network (WSN) is an emerging technology that shows great promise for various futuristic applications both for mass public and military. These small, low-cost, low-powers, multifunctional sensor nodes can communicate in short distances. There is currently enormous research potential in the field of wireless sensor network security. The major challenge for employing any efficient ...

Wireless ad hoc networks of sensor nodes are envisioned to be deployed in the physical environment to monitor a wide variety of real-world phenomena. Wireless sensor networks (WSN’s) are becoming popular in military and civilian applications such as surveillance, monitoring, disaster recovery, home automation and many others. Almost any sensor network application requires some form of self-conf...

Various experiments have shown that the performance of wireless sensor networks is very hard to predict. It is also acknowledged that deploying sensor networks in real settings is a difficult and tedious task. To contribute to the understanding of wireless sensor network behavior we report on our experience from two recently deployed sensor networks: one in-door surveillance network in a factor...

A novel hybrid method for tracking multiple indistinguishable maneuvering targets using a wireless sensor network is introduced in this paper. The problem of tracking the location of targets is formulated as a Maximum Likelihood Estimation. We propose a hybrid optimization method, which consists of an iterative and a heuristic search method, for finding the location of targets simultaneously. T...

Awareness of location is one of the important and critical issue and challenge in wireless sensor network. Knowledge of Location among the participating nodes is one of the crucial requirements in designing of solutions for various issues related to Wireless sensor networks. Wireless sensor networks are being used in environmental applications to perform the number of task such as environment m...

D. Culler, D. Estrin, M. Srivastava: Overview of Sensor Networks, IEEE Computer Society, August 2004. Akyildiz, I. , Su, W. , Sankarasubramaniam, Y. , Cayirci, E. : Wireless sensor networks: A survey. Computer Networks39 (4), 393–422 (2002) Karl, H. , Willig, A. : Protocols and Architectures for Wireless Sensor Networks. Wiley, New York (2005). Sohraby, K. , Minoli, D. , Znati, T. : Wireless Se...

In the next generation wireless sensor networks system, various wireless technologies and wired networks in together, in order to meet the various needs of users. Our focus in this paper is to introduce a few design goals, different wireless/wired networks complement each other, thus help users to access the best network in accordance with the current business. Each network is different with ea...

Wireless Sensor Network (WSN) are the network of sensor nodes which communicate with each other and with the base station using wireless channel. Due to extensive use of wireless sensor networks it is necessary to improve its security. WSN nodes are prone to physical attacks. Wireless sensor networks (WSN) face security threats so traditional key management schemes are no longer accurate for WS...

in the Wireless sensor networks often consists of a large number of low-cost sensor nodes that have strictly limited sensing, computation, and communication capabilities. The security of wireless sensor networks is a challenging problem in the process of data aggregation. As data are send though sensor network confidentiality plays and important role between source and destination. Secure data ...

The advancement in last decade in electronics & communication, computer science and information technology domain has resulted in the new computing and communication era, known as Wireless Sensor Networks. . In the past the wired sensors were implemented in limited applications in industries. However, wireless implementation makes the wide deployment of sensor nodes more feasible than before. T...