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Lifetime enhancement has always been a crucial issue as most of the wireless sensor networks (WSNs) operate in unattended environment where human access and monitoring are practically infeasible. Clustering is one of the most powerful techniques that can arrange the system operation in associated manner to attend the network scalability, minimize energy consumption, and achieve prolonged network lifetime...
Since last decade, our eye witnessed proofs that Wireless Sensor Networks (WSNs) have been used in many areas like health care, agriculture, defense, military, disaster hit areas and so on. The key parameters that play a major role in designing a protocol for WSNs are its energy efficiency and computational feasibility, as sensor nodes are resource constrained. Variation in sensor nodes distance from...
Due to the technological advancements in high quality voice and high speed data communication, the popularity of Cellular communication is increasing exponentially. With this increasing popularity, the number of mobile users under cellular communication is growing rapidly. But, in reality the radio frequency spectrum is very much limited. It is a hard job to allocate the limited spectrum among the...
Wireless sensor network (WSN) brings a new paradigm of real-time embedded systems with limited computation, communication, memory, and energy resources that are being used for huge range of applications where the traditional infrastructure-based network is mostly infeasible. The sensor nodes are densely deployed in a hostile environment to monitor, detect, and analyze the physical phenomenon and consume...
In past few years the use of Wireless Sensor Networks (WSNs) are increasing tremendously in different applications such as disaster management, security surveillance, border protection, combat field reconnaissance etc. Sensors are expected to deploy remotely in huge numbers and coordinate with each other where human attendant is not practically feasible. These tiny sensor nodes are operated by battery...
With the rising popularity of WirelessCommunication, Mobile Ad hoc Network (MANET) hasobtained its own place to be analyzed. The potentialapplications of MANET are growing tremendously due to itsrapid changing technology. Wireless network can beestablished in two modes. One is "Ad hoc mode" where thenodes are self-organized and another is "Infrastructuredmode" where the nodes are...
Wireless Sensor Network (WSN) is comprised of small and low-cost sensors deployed in a particular region in order to monitor a phenomena. In this paper, we have addressed some problems, which have significant effects on the performance of WSNs while computing the path from source to the base station. Although in the literature, many MAC protocols for WSNs have been proposed based on QoS to save the...
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