Probability-based fault detection in wireless sensor ...

    Abstract: Fault detection of wireless sensor networks has been studied intensively in recent years under the assumption that manager nodes are default probe stations. However, some additional fault detection tasks will make so busy the manager node to be failed more quickly. Moreover, at the first beginning period most sensor networks are working normally without any dead nodes and the probing ...

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    Wireless Sensor Tags - Monitor and Find Everything from ...

    Wireless sensor tags connect events in physical world, e.g. motion, door/window opened/closed, temperature or humidity exceeding limits, to your smart phones, tablets and any Web browsers anywhere in the world with Internet access.

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    Sensors 2007 sensors - MDPI

    WSANs are not just an enhancement or complement to the intensively-investigated wireless sensor networks (WSNs) [4-8], but go beyond. They are a new generation of sensor networks [2,3]. While WSANs and WSNs share many common considerations concerning network design, such as reliability,

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    Sensors | Special Issue : Wireless Rechargeable Sensor ...

    Wireless Rechargeable Sensor Networks (WRSNs) are an emerging technology, which integrates sensing, communication, and computation capacities and aims to prolong the lifetime of traditional Wireless Sensor Networks (WSNs). Sensor nodes in conventional WSNs are often powered by batteries, thus, they ...

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    Distance Estimation by Constructing The Virtual Ruler in ...

    tionalities of wireless sensor networks and has been studied intensively in recent years. A critical challenge in distance estimation is handling anisotropic problems in sensor networks. Compared with isotropic networks, anisotropic networks are more intractable in that their properties vary according to the directions of measurement.

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    Wireless sensor nodes in border surveillance - Information ...

    I. Introduction Over the past years, wireless sensor nodes (WSN) in border surveillance and their application in a numerous other scenarios have been researched worldwide. One of the most interesting scenarios for application of WSNs related to its use in the monitoring systems areas. WSN is a unique system that can used for the surveillance ...

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    Wifi vibration Sensor | Acceleration and Velocity ...

    Until now, Wifi technology was extremely energy greedy and unreliable. Users working on structural health monitoring and condition monitoring were more inclined to deploy proprietary wireless sensor networks offering a better reliability and a low power operation. Thanks to more than 8 years of experience in sensing technology, our research and development team worked intensively with our ...

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    On the optimality of the likelihood-ratio test for local ...

    The study that incorporates the transmission channel in sensor system design may have potential applications in the emerging field of wireless sensor networks. AB - Distributed detection has been intensively studied in the past.

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    Wireless Sensor Networks: Scheduling for Measurement .

    Wireless sensor networks consist of a multiplicity of nodes that are equipped with processing, communicating and sensing capabilities, and use ad-hoc radio protocols to forward data in a multi-hop mode of operation. Each node in such a network has limited energy resources, hence, minimizing energy usage in wireless sensor networks becomes ...

    • Published in: IEEE Transactions on Aerospace and Electronic Systems · 2006Authors: Mequanint Moges · Thomas G RobertazziAffiliation: University of HoustonAbout: Wireless sensor network · Measurement problem · Tree network · Resource allocation[PDF]
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    Wireless Sensor Networks for Ecology - The Nelson Institute

    The use of wireless sensor networks by ecologists is in its infancy. In this article we describe the potential application of wireless sensor networks to supplement traditional ap-proaches to ecological research, including long-term analy-sis,comparison,experimentation,and modeling (Carpenter 1998). We give an overview of wireless (spread-spectrum)

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    Sensors 2007 sensors - MDPI

    WSANs are not just an enhancement or complement to the intensively-investigated wireless sensor networks (WSNs) [4-8], but go beyond. They are a new generation of sensor networks [2,3]. While WSANs and WSNs share many common considerations concerning network design, such as reliability,

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    Wireless Sensor Network for Monitoring of Air Pollution

    II. WIRELESS SENSOR NODE The fundamental unit of wireless sensor network is the sensor nodes. Therefore, employing embedded philosophy the wireless sensor nodes are developed and deployed for further investigation. The hardware and firmware for the node have been designed and issues of hardware designing are intensively discussed. 1. Hardware:

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    Wireless Sensor Networks for Public Safety Command and ...

    In the context of the EU founded project WASP, SAP Research studied the integration of Wireless Sensor Networks into Command and Control (C2) systems.As result, a prototype for stadium surveillance was developed. I want to give you an overview of the architecture and implementation of our prototype.

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    Review on New Energy Efficient Cluster Based Protocol for ...

    Proposed the data collection schemes in wireless sensor network, have been intensively studied in the decade yet still a very active area. A number of schemes, such as the multihop data forwarding and the mobile element gathering, ... Wireless Sensor Networks consist of thousands of low-cost sensor nodes that are densely deployed. Broadcasting is a

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    Binodal, wireless epidermal electronic systems with in ...

    Binodal, wireless epidermal electronic systems with in-sensor analytics for neonatal intensive care Article (PDF Available) in Science 363(6430):eaau0780 · March 2019 with 632 Reads

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    Different Approaches of Angle of Arrival Techniques In ...

    Wireless sensor networks are often deployed in unattended and hostile environments, leaving individual sensors dangerous to security compromise. Node self localization capability is a highly desirable characteristic of sensor network because sensor readings are meaningless without a coordinate tag.

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    Wireless Sensor/Actuator Network Design for Mobile Control ...

    Wireless sensor/actuator networks (WSANs) are emerging as a new generation of sensor networks. Serving as the backbone of control applications, WSANs will enable an unprecedented degree of distributed and mobile control. However, the unreliability of wireless communications and the real-time ...

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    Wireless sensor network - Wikipedia

    Wireless sensor network (WSN) refers to a group of spatially dispersed and dedicated sensors for monitoring and recording the physical conditions of the environment and organizing the collected data at a central location.WSNs measure environmental conditions like temperature, sound, pollution levels, humidity, wind, and so on. These are similar to wireless ad hoc networks in the sense that ...

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    IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS, .

    Wireless Sensor Networks Wei Wang, Vikram Srinivasan, Bang Wang, and Kee-Chaing Chua Abstract—Target tracking and localization are important ap-plications in wireless sensor networks. Although the coverage problem for target detection has been intensively studied, few consider the coverage problem from the perspective of target localization.

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    Barrier Coverage of Line-Based Deployed Wireless Sensor ...

    CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): Abstract — Barrier coverage of wireless sensor networks has been studied intensively in recent years under the assumption that sensors are deployed uniformly at random in a large area (Poisson point process model). However, when sensors are deployed along a line (e.g., sensors are dropped from an aircraft along a ...

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    Network Wireless Sensor for Remote Monitoring of Gas .

    Network Wireless Sensor for Remote Monitoring of Gas Wells 19 the highest level of explosion protection, and having intrinsically-safe explosion protection. Figure 4 shows the external appearance of the V2X network sensor for gas well monitoring systems. The V2X network sensor operates with a recharge-able battery and a solar panel. Peripheral ...

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