Sensor networks supported by recent technological advances in low power wireless communications along with silicon integration of various functionalities are emerging as a critically important computer class that enable novel and low cost applications. There are many fundamental problems that Wireless Sensor Networks (WSNs) research will have to address in order to ensure a reasonable degree of...

WSNs are becoming an appealing research area due to their several application domains. The performance of WSNs depends on the topology of sensors and their ability to adapt to changes in the network. Sensor nodes are often resource constrained by their limited power, less communication distance capacity, and restricted sensing capability. Therefore, they need to cooperate with each other to acc...

It is not a trivial job to maintain clusters in a highly mobile ad hoc scenario where changes in node activity status cause frequent and unpredictable topological changes. It requires continuous and efficient management protocol for frequent up-dation and re-clustering which are costly in a resource-poor environment. In this context, we describe a convenient cluster management protocol that inc...

In cluster-based wireless sensor networks (WSN), the most of energy is consumed in cluster head which performs data aggregations and relaying. The lifetime in cluster-based WSN is subjected by the lifetime of cluster heads. Therefore, in this paper, we equalize the energy consumption of the cluster heads to prolong the lifetime of WSN. After equalization, we obtain the length of sides of cluste...

A wireless sensor network (WSN) is a self organizing wireless network system consists of number of energy limited sensor nodes. Since sensor nodes are battery powered devices, they have limited processing and transmission power and with limited communication ability. In order to transmit sensing data to receiver effectively, it is necessary to design an energy efficient routing protocol for WSN...

Routing is an important challenge in WSN due to the presence of hundreds or thousands of sensor nodes. Low Energy Adaptive Clustering Hierarchy (LEACH) is a hierarchical routing and data dissemination protocol. LEACH divides a network domain into several sub-domains that are called clusters. Non-uniformity of cluster distribution and CHs selection without considering the positions of other sens...

The Wireless Sensor Networks (WSN) motivated by its unique characters such as it is capable of enduring callous ecological circumstances, and grant better scalability. The wireless sensor network is composed of insignificant sensors and a base station. The battery supplies the energy for the sensors. Hence, the lifetime of the network gets tainted while overworking for transmission. Since the W...

Energy-constrained wireless sensor network (WSN) has attained considerable research attention in recent years and requires robust and energy efficient routing protocols for communication in fading environments to minimise the energy consumption.To Mitigate the Fading Effect in Wireless Channel ,MultiInput Multi Output(MIMO)Scheme is Utilized for Wireless Sensor Network. This Paper proposed a Cl...

–Wireless Sensor Network is special types of Ad-hoc Network which contain very tiny nodes in size and their cost is also not very high. They are deployed in any geographical region in a random fashion. During the process of data sensing, data gathering and data transmission, the charge of the power unit associated with any node gets low, after certain time, i.e., each node has its life time. Th...

Wireless Sensor Networks consists of no. of micro sensor nodes to monitor a remote environment by using aggregated data from individual nodes and transfer this data to the base station for further purpose. Here the energy of operated nodes is susceptible store of the Wireless Sensor Network, which is useless at a rate when information is transmitted, because transmission energy is reliant on th...