wireless network system 2021




Wireless networks use radio waves to connect devices such as laptops to the Internet, the business network and applications. When laptops are connected to Wi-Fi hot spots in public places, the connection is established to that business’s wireless network.

three different types of wireless networks – WAN, LAN and PAN: Wireless Wide Area Networks (WWAN): WWANs are created through the use of mobile phone signals typically provided and maintained by specific mobile phone (cellular) service providers

A wireless network system for automated tracking of construction materials on project sites
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This paper presents a new prototype framework of automated tracking and monitoring system for construction materials. Previous technologies such as RFID and GPS deployed in construction material tracking have been reviewed and signal strength‐based localisation

Mobile wireless network system simulation
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This paper describes an advanced simulation environment which is used to examine, validate, and predict the performance of mobile wireless network systems. This simulation environment overcomes many of the limitations found with analytical models ZigBee is a low-rate, low-power consumption and low-cost wireless standard. It is suitable for the Home Automation (HA) wireless sensor network (WSN). In this paper, the ZigBee technology is introduced. A Home Automation system based on the CC2430 chip is

Electronic shepherd-a low-cost, low-bandwidth, wireless network system
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This paper reports a new novel low-cost, wireless communication network system called the Electronic Shepherd(ES). The system is innovative in the way that it supports flock behavior, meaning that a flock leader monitors the state of the other elements in the flock

The design of wireless sensor network system based on zigbee technology for greenhouse
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Wireless sensor network is a new research field. It can be used in some special situation for signal collection, processing and transmitting. Zigbee is a new Wireless sensor network technology characteristic of less distance and low speed. It is a new wireless network

Construction of 5G all- wireless network and information system for cabin hospitals
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The epidemic of coronavirus disease (COVID-19) broke out in Wuhan, China, in early 2020. In an effort to curb the spread of the epidemic, the government has requisitioned a variety of venues and plant buildings and built more than 20 cabin hospitals to receive If a large scale of disaster occurs such as the East Japan Great Earthquake, there would be some possibility of the informational isolation from others because of the disconnection of communication network or high congestion. In facts, the East Japan Great Earthquake

Wireless network cloud: Architecture and system requirements
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With the growth of the mobile communication network from second-generation to third- generation or fourth-generation networks, technologists in the mobile industry continue to consider advanced wireless network architectures that have the potential to reduce

Monitoring of the human body signal through the Internet of Things (IoT) based LoRa wireless network system
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Abstract Internet of Things (IoT) based healthcare system is now at the top peak because of its potentialities among all other IoT applications. Supporting sensors integrated with IoT healthcare can effectively analyze and gather the patients physical health data that has Natural disasters such as earthquake, tsunami, typhoon and hurricane in addition to annual disaster have frequently happened at many places around the world. Once disaster happened, communication network and information system are seriously damaged and Wireless sensor network is a kind of self-organization wireless network which taking the data as center. The node in network is intensive, huge quantity and covering a large area. Aiming at the characters of wide range of area, large amount of information, and complexity of real

Wireless network system for indoor human positioning
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A local positioning system utilizing propagation loss of Bluetooth wireless technology is developed for indoor human positioning. The distance between a fixed station and a mobile station carried by a person is derived from the propagation loss. The position of the person is

Wireless model-based predictive networked control system over cooperative wireless network
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Owing to their distributed architecture, networked control systems (NCSs) are proven to be feasible in scenarios where a spatially distributed feedback control system is required. Traditionally, such NCSs operate over real-time wired networks. Recently, in order to A wireless sensor system has been suggested and tested in the place of forty five sensors of five types among the sensors used extensively in suspension bridges to prove the viability of wireless sensor network in actual implementation. ZigBee (IEEE 802.15. 4) is used for short

Design and Realization of Wireless Network System Based on ZigBee
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For finding, collecting, dealing with the information in the immediate distance, a wireless star- topology network is designed based on the ZigBee technology in the paper. Briefly introduces the technology of ZigBee and its features, wireless communication protocol is In the actual disaster case, there is a certain possibility that electric power line is damaged and power energy cannot be supplied to those communication network devices, and eventually those wireless LANs cannot be functioned. Although mobile wireless network is

Development of energy aware TDMA-based MAC protocol for wireless sensor network system
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The development of wireless sensor networks (WSN) can be motivated by several types of applications such as habitat monitoring, smart healthcare system building automation, and etc. These applications however, demand an energy-efficient WSN that can prolong theWith over a decade of intensive research and development, wireless sensor network technology has been emerging as a viable solution to many innovative applications. In this paper, we describe a wireless sensor network system that we have developed using open

Never Die Network Based on Cognitive Wireless Network and Satellite System for Large Scale Disaster.
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Abstract The Great East Japan Earthquake caused many casualties and radiation contamination from the Fukushima nuclear power plant, and many problems still remain in the disaster area. The communication network was severely affected by the earthquake. The [HTML]

Research on English teaching system based on artificial intelligence and WBIETS wireless network system
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M Tan EURASIP Journal on Wireless jwcn-eurasipjournals.springeropen The English teaching network system is a distant teaching based on the Web. This teaching method can stimulate students interests so that students can acquire knowledge voluntarily, and automatic test paper generation is one of the most important modules in the English

Monitoring of large-area IoT sensors using a LoRa wireless mesh network system : Design and evaluation
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Although many techniques exist to transfer data from the widely distributed sensors that make up the Internet of Things (IoT)(eg, using 3G/4G networks or cables), these methods are associated with prohibitively high costs, making them impractical for real-life applications

Wireless sensor network system using Raspberry Pi and zigbee for environmental monitoring applications
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With over a decade of intensive research and development, wireless sensor network (WSN) technology has been emerging as a feasible solution to many innovative applications. In this paper, we describe a wireless sensor network system that we have developed using openIndoor air pollution has become a serious issue affecting public health. An indoor air quality monitoring system helps in the detection and improvement of indoor air quality. The monitoring systems presently available are very expensive. In this paper, we present a low Considering the characteristic of irrigation in the rural area of China, this paper brings forward new devices based on wireless network that are GSM (Global System Mobile) network and radio communication. Three levels are included in the system : the PC control

A new wireless underground network system for continuous monitoring of soil water contents
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A new stand‐alone wireless embedded network system has been developed recently for continuous monitoring of soil water contents at multiple depths. This paper presents information on the technical aspects of the system including the applied sensor technology

Wireless sensor network system to monitor the fish farm
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In recent years, the interest in Wireless Sensor Network (WSN) has been growing dramatically. To meet this trend, we have designed Wireless Sensor Network system to monitor the fish farm. We present a practical application of wireless network . The application

EcoLocate: A heterogeneous wireless network system for wildlife tracking
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All research to date using wireless networks for wildlife tracking has concentrated on monitoring a single species, using large GPS enabled collars. These collars are too heavy to attach on smaller animals. Rather than omit small animals from the tracking spectrum, we

Design and Implementation of Low-power Node in Wireless Network System [J]
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The power consumption of node determines the lifecycle of the wireless sensor network . So the design of low-power node is very important. After a simple analysis of solutions of sensor node design and their characters, it emphasized on the analysis, selection of key chips

Military applications of wireless sensor network system
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WSNs consist of a large number of small sensor nodes. These nodes are very cheap in terms of cost. In military operations, there is always a threat of being attacked by enemies. So, the use of these cheap sensor nodes will help to reduce the loss. In this paper, we In metal cutting processes, an effective monitoring system based on a suitably developed scheme or set of algorithms can maintain machine tools in good condition and delay the occurrence of tool wear. In this paper, an approach is developed for fault detection based on

of Integrated Wireless Network and MATLAB System to Control Autonomous Mobile Robot: Implementation of Integrated Wireless Network and MATLAB System to
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In this article a wireless network using Xbee modules is designed and applied for autonomous mobile robot combined with GUI (Graphical User Interface) in MATLAB. The GUI panel and control structure in MATLAB allows to monitor and control all remote robots

WNOS: An optimization-based wireless network operating system
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This article investigates the basic design principles for a new Wireless Network Operating System (WNOS), a radically different approach to software-defined networking (SDN) for infrastructure-less wireless networks. Departing from well-understood approaches inspired ZigBee is a newly-emerging wireless network technology with short distance, low cost, low rate, low power, high capacity, high security and high reliability, and it is currently widely used in short-range wireless network area. Based on the ZigBee technology, the wireless Attacks from network applications establish considerable security threats for computer networks and end users. Existing cyber-attack detection methods are designed primarily in signature-based approaches that can not recognize zero-day vulnerabilities. In addition

Wireless network performance test in hybrid wired/ wireless network system
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Recently, considerable researches on wireless networks have been carried in industrial automation. A great deal of wireless control and monitoring systems are introduced in certain problematic parts of the process industry to improve the productivity and efficiency

Advanced system technologies and field demonstration for in-building optical- wireless network with integrated broadband services
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This work describes a concept of a hierarchical radio-over-fiber (RoF) network architecture that provides both intra-and inter- network connectivity for end user wireline and wireless terminals with high-bandwidth, in-building access applications. An intelligent gateway routerCommunication system design for wireless networked control systems requires satisfying the high reliability and strict delay constraints of control systems for guaranteed stability, with the limited battery resources of sensor nodes, despite the wireless networking induced nonThis work presents a low-rate wireless personal area networkbased sensor network for early detection and monitoring of forest fires. The system has been designed to perform different parameter measurements at different tree heights, depending on the forest relief

LED Communication-based Multi-hop Wireless Transmission Network System
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LED is just a semiconductor which can produce light. Currently, there are active research works on LED lighting technologies according to the growth of energy-saving environmental industry. Especially, LED communication is one of the active research works in these fields

An improved routing algorithm of Zigbee wireless sensor network for smart home system
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Smart home is a networked intelligent living environment which employs a house as the platform to integrate automatic control system computer network system and communication technology all-in-one. In order to avoid the constraints of cabling, moving and aesthetics in [HTML]

Investigation of the evaluation system of SMEs industrial cluster management performance based on wireless network development
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J Lan, W Chengjun, Z Wei on wireless jwcn-eurasipjournals.springeropen Today, with the rapid development of mobile Internet technology, the operation of enterprises is basically based on the mobile network platform. Therefore, the study of the evaluation system of SMEs industrial cluster management performance based on wireless

The implementation of homecare nursing network system using wireless network
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JH Park, MJ Kim, KJ Hong, KJ Han, S Park Journal of Korean KoreaMed of this project is to implement Homecare Nursing Network System using wireless network which was able to manage homecare service efficiently. Therefore, by completing the project of Homecare Nursing Network System , the research team connected the headquarter and

Solar biscuit: A battery-less wireless sensor network system for environmental monitoring applications
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M Minami, T Morito, H Morikawa, T Aoyama The 2nd international Citeseer This paper describes the design and implementation of a battery-less wireless sensor network system that uses the combination of an electric double layer capacitor equipped with a small solar cell as its energy source. Although it is easy to drive sensor nodes with This paper implements a smart loading monitoring and control system with ZigBee wireless network in the objective of developing the potential for demand response for numerous numbers of residential and commercial customers. This system can effectively solve the

Experimental and computational performance analysis of a multi-sensor wireless network system for hurricane monitoring
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A wireless sensor network system was developed at Florida Institute of Technology to monitor wind induced pressure on low-rise residential building roofs during hurricane events. The system was tested to evaluate the performance of the sensors and their Two design techniques for more accurate and more convenient hybrid positioning system with visible light communication (VLC) and ad-hoc wireless network infrastructure are proposed, in order to overcome the problems of high estimation error, high cost, and limited

A localization system using wireless network sensors: A comparison of two techniques
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Locating objects, such as keys, office equipment, people, or even an enemy vehicle, is an application that has received a lot of attention over recent years. With the emergence of wireless networks and mobile computing devices, providing location-aware technology and The problem of modeling and stabilization of a wireless network control system (NCS) is considered in this paper, where packet loss and time delay exist simultaneously in the wireless network . A discrete-time switched system with time-varying delay model is first The objective of this paper is to analyze and implement a network management system (NMS) in wireless environment using simple network management protocol (SNMP). Wired network management technology is matured and effective in todays complexity network The cable acquisition and control system of the traditional greenhouse has many disadvantages such as complicated wiring, high cost and lack of accuracy and expansibility. In order to solve those problems, a greenhouse acquisition and control system based on The significance of forest fire monitoring was determined by the importance of forest resource and the destructive of forest fire. In the paper, according to the limitation of traditional forest fire monitoring schemes, a new wireless network implementation schemeWireless body area networks (WBANs) are cyber-physical systems that emerged as a key technology to provide real-time health monitoring and ubiquitous healthcare services. WBANs could operate in dense environments such as in a hospital and lead to a high

Ballooned wireless mesh network for emergency information system
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In this paper, a ballooned wireless network is proposed to promptly insure communication means to grasp the information with disaster area, residents safety and relief goods on the occurrence of disaster. By combining multiple ballooned wireless networks, an ad hoc

Design of water quality monitoring wireless sensor network system based on wireless sensor
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Based on the study wireless sensor networks and Zigbee protocol standards on the basis of real-time remote monitoring system for water quality analysis. The idea of wireless sensor networks based on Zigbee protocol and the Internet with remote real-time water quality This paper introduces a positioning method based on visible light communications (VLC) and Zigbee multihop wireless networking. Alternative methods do not render the same level accuracy. Hence, investigations toward a new positioning technology that meets accurate ranging