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Wireless Sensor Networks are nowadays employed in several applications. Cyber-physical systems, health-care instruments and Internet of Things are using hundreds of smart sensors, which include also processing capability together with sophisticated communication protocols. The presence of faults in these critical applications must be checked during runtime, to detect transient and permanent faults...
The use of Wireless sensor network is to monitor an area for event detection. The sensor node have some limitation like the sensor node associated with battery power and generally it is not possible to recharge or replace battery of sensor due to large number of sensor node, node distribution in remote, desert or hostile areas etc. The energy consumption of sensor node appears a lot of challenges...
Clustering algorithm incurs significantenergy consumption for clusters and its ClusterHeads (CH) in Wireless Sensor Network(WSN). WSN brings a new attention over a real-timeintelligent system with its limitations and gainedmore research challenges. In last few years, WSNcan be used and seen in many real time applicationslike disaster management, pollution monitoring, temperature monitoring, traffic...
Development of algorithms for discovering the location of nodes in a wireless sensor network is a task that offers a lot challenges to the research community. In this paper, we present a protocol for locating nodes in a wireless sensor network. The proposed protocol follows a locate-promote and split strategy. We analyze the number of iterations needed to locate almost all nodes in a network and the...
A review of advanced wireless sensor nodes, networks, and applications in precision agriculture has been presented. Features of several commercial and prototype sensor node platforms designed and implemented for agricultural applications have been described. Basics of sensor network protocols and topologies have been reviewed together with numerous applications. Advanced machine learning approaches...
Internet of Things is a novel paradigm that combined microcomputer and wireless communication technology. IoT device will be considered as a pervasive and ubiquitous device that able to interact with it user and environment autonomously with minimum human intervention. At present, wireless technology already has pervasive features in the link and the network layer. They able to do the dynamic addressing,...
This paper evaluates the deployment of a wireless sensor network (WSN) to support and speed-up the assembly, integration and test activities in a satellite project. We focus on the thermal vacuum tests, which come along with an extensive amount of sensors to monitor the thermal behavior of the spacecraft. Recent work revealed a great potential; however, the focus was on passive technologies based...
This paper analyzes the characteristics and key technologies of Zigbee wireless sensor network. It adopts modularization to realize Zigbee protocol stack, and designs Zigbee wireless sensor network platform. It also designs and realizes the overall framework, hardware circuit and software design module framework of this platform. The platform uses newly emerging communication protocol to be the communication...
The wireless sensor network for rotating electrical machine is beneficial for both real time monitoring and diagnosis purposes. In this paper, our contribution is to realize a wireless sensor network node based on IEEE 802.11 for detecting the temperature value of electrical machine's rotating component (shaft). The IEEE 802.11 has been chosen for its low power, low cost and high flexibility. As for...
Today's precision agriculture needs advance methods and technology to reduce cost and improve productivity. This paper explores the potential use of wireless sensor network in precision agriculture. An energy efficient network layer routing protocol is required to maximize the lifetime of sensor network. The proposed Threshold Sensitive Region-Based Hybrid Routing (TS-RBHR) protocol uses region-based...
Today's precision agriculture needs advance methods and technology to reduce cost and improve productivity. This paper explores the potential use of wireless sensor network in precision agriculture. An energy efficient network layer routing protocol is required to maximize the lifetime of sensor network. The proposed Threshold Sensitive Region-Based Hybrid Routing (TS-RBHR) protocol uses region-based...
The impact of IoT might significantly be increased by autonomous nodes with both sensing and actuating capabilities. This article describes the project of a wireless sensor and actuator network (WSAN) made up of autonomous nodes. Both the sensing and actuating nodes sense and communicate the temperature through the DASH7 coordinator. In addition the actuating node drives a motor to tune a valve controlling...
In this paper, we unify the requirements of noncritical and health monitoring applications in Aircraft and Launchers. We present different challenges faced by wireless sensor networks to meet these requirements. We also propose a solution that provides an adaptive multichannel collision-free protocol for data gathering.
Nowadays, adopting an optimized irrigation system has become a necessity due to the lack of the world water resource. Moreover, many researchers have treated this issue to improve the irrigation system by coupling the novel technologies from the information and communication field with the agricultural practices. The Wireless Sensor and Actuators Networks (WSANs) present a great example of this fusion...
To meet strict dependability requirements in hostile and highly-varying environments, IoT communication protocols need to be carefully tuned in relation to the expected environmental changes. However, this is difficult to attain, as every application has unique properties and requirements. Tuning communication protocols correctly requires indeed significant expertise as well as a clear understanding...
This paper proposes a wireless sensor network for measuring environmental factors on industry surroundings. Industrial environment is regulated in varying degrees across the world by many environmental and safety policies. The adherence of these policies makes necessary a continuous and distributed measurement of different factors like temperature, noise levels and the presence of contaminants. The...
Wireless sensor networks (WSNs) are increasingly becoming preferred in global applications. Due to the top features of the resource-constrained and battery-aware sensors; in WSNs energy use has found to be a key fascinating subject of research. WSNs composed of battery-powered nodes that happen to be connected with the base station to help for several measures and also task. Since sensor nodes will...
Smartphones have become popular mainly because of the large variety of applications they can run. In contrast, most devices in the phone's environment -- e.g., household appliances or environmental sensors -- are much less flexible because their functionality is hardcoded at the design time. In order to realize the vision of the Internet of Things (IoT), where all devices communicate with each other...
This paper addresses the design and implementation of a real-time temperature monitoring system with applications in telemedicine. The system consists of a number of precision wireless thermometers which are conceived and realized to measure the patients' body temperature in hospitals and the intensive care units (ICUs). Each wireless thermometer incorporates an accurate semiconductor temperature...
The paper aims to design video wireless sensor nodes based on IEEE 802.11 communication protocols, using SPI interfaces on the connection of the WIFI communication module and the host controller for data exchange because of the fact that there exist limitations in terms of the display of live video images due to Zigbee transmission rate limit. In addition, the video wireless WIFI sensor node also...
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