Wireless Sensor Networks (WSN) is a recent advanced technology of computer networks and electronics. The WSN increasingly becoming more practicable solution to many challenging applications. The sensor networks depend upon the sensed data, which may depend upon the application. One of the major applications of the sensor networks is in military. So security is the greatest concern to deploy sen...

In this paper, we propose a cluster-based synchronization algorithm for underwater acoustic sensor networks based on MU-Sync, called EMU-Sync. Time synchronization is an important part of many services. Although many time synchronization protocols for terrestrial wireless sensor networks have been well-developed, none of them can be applied directly in underwater wireless sensor networks. The c...

Wireless sensor networks (WSNs) assume a collection of tiny sensing devices connected wirelessly and which are used to observe and monitor a variety of phenomena in the real physical world. Time synchronization is an important issue in wireless sensor networks. Many applications based on these WSNs assume local clocks need to be synchronized to a common view of clock at each sensor node. Some e...

Wireless Sensor Networks (WSN) is a recent advanced technology of computer networks and electronics. The WSN increasingly becoming more practicable solution to many challenging applications. The sensor networks depend upon the sensed data, which may depend upon the application. One of the major applications of the sensor networks is in military. So security is the greatest concern to deploy sen...

Recent advances in wireless sensor networks have settled into an important part of one’s everyday life and gained attention from both the research community and actual users. In wireless sensor networks energy alertness is an essential consideration & it explored to many new protocols specifically designed for sensor networks. Most of rank, given to hierarchical routing protocols based on clust...

Clustering is one of the most popular approaches used in wireless sensor networks to conserve energy and increase node as well as network lifetime. LEACH is among the most popular clustering protocols proposed for wireless sensor networks. Recent advances in wireless sensor networks have led to many new protocols specifically designed for sensor networks where energy awareness is an essential c...

Cognitive Radio Sensor Networks (CRSNs) are composed of sensor nodes equipped with Cognitive Radio (CR) technology with limited resources (e.g., storage, computational speed, bandwidth, security, etc.). In order to overcome resource limitation, cognitive radio sensor nodes are integrated with cloud computing, which provides computing resources (e.g., storage, computation, security, etc.) to sen...

-Recent advances in micro-electro-mechanical systems (MEMS) technology, wireless communications, and digital electronics have enabled the development of low-cost, low-power, multifunctional sensor nodes. These tiny sensor nodes, which consist of sensing, data processing, and communicating components, leverage the idea of sensor networks based on collaborative effort of a large number of nodes. ...

Applications of sensor networks ranging from environmental/military monitoring to industrial asset management. The development of sensor networks was originally motivated by military applications. However, now a days sensor networks are used in many civilian application areas, including environment and habitat monitoring, healthcare applications, home automation, and traffic control (Lewis,2004...