Wireless sensor network (WSN) is a new research area of computer science and technology and has a wide application future,more and more attention. It will be much market in application of military, health, home, environment, etc. In WSN, sensor devices have limited supply of energy. The sensor death due to dissipating battery energy is one of the fundamental design issues in WSNs. Hence, energy...

Wireless Sensor Network (WSN) is a network which formed with a maximum number of sensor nodes which are positioned in an application environment to monitor the physical entities in a target area, for example, temperature monitoring environment, water level, monitoring pressure, and health care, and various military applications. Mostly sensor nodes are equipped with self-supported battery power...

New advancements in Wireless Sensor Networks (WSN), lead to many novel routing protocols specifically designed by considering QoS and energy efficiency as the main objective, to maximize the whole network efficiency and lifetime. As the issue of Quality of Service (QoS) provisioning in WSN networks has been acquiring increasing importance, particularly in view of the domains of application of t...

A WSN is a specialized wireless network made up of large number of sensors and at least one base station. The foremost or the main difference between WSN and the traditional wireless networks is that sensors are extremely sensitive to energy consumption. Energy saving in the crucial issue in designing the wireless sensor networks [12]... Since the radio transmission and reception consumes more ...

The paper is concerned with the applications of Wireless Sensor Network (WSN) technology for large scale and long duration environmental monitoring. We illustrate here the technological difficulties and challenges that have been encountered in meeting end-users requirements for information gathering. The main aim is to provide greater reliability and productivity to influence the design choices...

Recent advancement in micro-electromechanical systems (mems) have enabled the development of Wireless sensor Network (WSN) which is gaining popularity day by day and is used in wide range of applications. The sensor nodes that constitute WSN have several constraints like limited battery power, memory constraint, limited bandwidth etc. Therefore designing an efficient MAC layer protocol is a cha...

Advances in wireless communication and miniature electronics have enabled the development of small, low-cost, low-power sensor nodes (SNs) with sensing, computation and communication capabilities. Therefore, the issues of Wireless Sensor Networks (WSNs) have become popular research subjects. WSN is infrastructure based network, and through the mass deployment of SNs, a WSN is formed. The major ...

Wireless sensor networks (WSNs) are fast evolving technology for collecting data in real time. Every wireless sensor network (WSN) is consisted of technical and software components which have to refer to the selected application. The paper focuses on the selection of WSN components. The WSN will be situated in the center of Olomouc City (OWSN). It will focus on measurements of harmful air pollu...

Distributed and collaborative wireless sensor networks (WSN) plays key role in developing Smart Environment. A Smart Environment needs information about its surroundings as well as about its internal working; this information's are monitored and collected by the network of wireless sensors. The futuristic application of distributed WSN includes : Animal monitoring, Vehicle monitoring, Enemy mon...

Distributed and collaborative wireless sensor networks (WSN) plays key role in developing Smart Environment. A Smart Environment needs information about its surroundings as well as about its internal working; this information's are monitored and collected by the network of wireless sensors. The futuristic application of distributed WSN includes : Animal monitoring, Vehicle monitoring, Enemy mon...