Wireless sensor networks are currently the greatest innovation in the field of telecommunications. WSNs have a wide range of potential applications, including security and surveillance, control, actuation and maintenance of complex systems and fine-grain monitoring of indoor and outdoor environments. However security is one of the major aspects of Wireless sensor networks due to the resource li...

Wireless sensor networks are currently the greatest innovation in the field of telecommunications. WSNs have a wide range of potential applications, including security and surveillance, control, actuation and maintenance of complex systems and fine-grain monitoring of indoor and outdoor environments. However security is one of the major aspects of Wireless sensor networks due to the resource li...

The Recent advances in electronics and wireless communication technologies have enabled the development of large-scale wireless sensor networks that consist of many low-powers, low-cost and smallsize sensor nodes. Sensor networks hold the promise of facilitating large-scale and real time data processing in complex environments. Some of the application areas are health, military, and home. In mi...

Recent advances have given rise to popularity and successes of wireless sensor networks. Secure transmission of data is found to be very critical in WSNs (Wireless Sensor Networks). The technique of clustering is found to be very efficient and practical in WSNs. This technique is useful to increase the performance of the system in WSNs. This technique is very useful for Cluster Based Wireless S...

Wireless Sensor Network platforms are less expensive and more powerful having tiny electronic devices called Motes (sensor nodes). Wireless sensor networks enhance its popularity in military and health centric research areas; now it is also popular in industrial area. This paper describes the security requirements as WSNs are easily prone to more attacks than wired networks. This paper studies ...

Wireless Sensor Networks (WSNs) consist of sensor nodes which can be deployed for various operations such as agriculture and environmental sensing, wild life monitoring, health care, military surveillance, industrial control, home automation, security etc. Quality of Service (QoS) is an important issue in wireless sensor networks (WSNs) and providing QoS support in WSNs is an emerging area of r...

Wireless sensor networks are very broadly used in many applications. Sensor networks still have problems in conveying data from one sensor node to other node. Routing algorithms are developed for wireless sensor networks. In this paper, some of them are discussed. These protocols still have some problems in sensor networks. Ad hoc networks and WSNs are similar to each other as both depend on ho...

Advances in electronics and wireless communication technologies have enabled the development of large-scale wireless sensor networks (WSNs). There is numerous applications for wireless sensor networks, and security is vital for many of them. However, WSNs suffer from many constraints, including low computation capability, small memory, limited energy resources, susceptibility to physical captur...

The target tracking is one of the main issues in wireless sensor networks (WSNs). In the WSNs, the energy consumption is the most important factor for the network lifetime. In this paper, we utilize the advantage of the grid-based sensor networks to prolong the lifetime of the network. Therefore, we propose Grid-based Mobile Target Tracking Mechanism in Wireless Sensor Networks (GMTT). By the s...

Wireless Sensor Networks (WSNs) are particular type of ad-hoc network which consist of number of sensor nodes equipped with a sensor unit, wireless communication unit, a battery power unit and programmable embedded processor. Wireless Sensor Networks have a wide range of applications in Military, Environment and Scientific applications such as vehicle tracking, Habitat monitoring, Earthquake ob...