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Wi-fi networks

Performance Comparison of Positioning Techniques in Wi-Fi Networks

Performance Comparison of Positioning Techniques in Wi-Fi Networks

... of Wi-Fi networks em- powers the implementation of numerous applications such as Wi-Fi positioning, Location Based Services (LBS), wireless intrusion detection and real-time ...estimate ...

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2019 — QoE based predictive handover mechanism in software-defined enterprise Wi-Fi networks

2019 — QoE based predictive handover mechanism in software-defined enterprise Wi-Fi networks

... to Wi-Fi connections inside residential buildings, campus, and public palaces with new centralized Wi-Fi ...of Wi-Fi networks access and convergence by optimizing and ...

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Identifying Channel Saturation in Wi-Fi Networks via Passive Monitoring of IEEE 802.11 Beacon Jitter

Identifying Channel Saturation in Wi-Fi Networks via Passive Monitoring of IEEE 802.11 Beacon Jitter

... 802.11 Wi-Fi enabled devices ...of Wi-Fi networks, APs in close proximity of each other often operate on the same channel, especially on the frequently used non-overlapping channels (1, ...

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The Role of the Access Point in Wi-Fi Networks with Selfish Nodes

The Role of the Access Point in Wi-Fi Networks with Selfish Nodes

... in Wi-Fi Networks with Selfish Nodes Abstract: In Wi-Fi networks, mobile nodes compete for accessing the shared channel by means of a random access protocol called Distributed ...

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Metrics and non-intrusive techniques to characterize Wi-Fi networks

Metrics and non-intrusive techniques to characterize Wi-Fi networks

... Nous avons proposé un tel service collaboratif (WMSP) : un sys- tème cloud pour collecter des données de réseau prises par les MS et les AP existants, et pour traiter ces données afin de générer une meilleure ...

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Predicting the effect of home Wi-Fi quality on Web QoE

Predicting the effect of home Wi-Fi quality on Web QoE

... showing Wi-Fi problems to see if poor Web QoE episodes are consistent or intermit- ...cases, Wi-Fi problems can be de- tected and tackled on the spot, either by a help desk operator or an end ...

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Pépite | Identification des mécanismes d’impact des interférences électromagnétiques sur des communications Wi-Fi

Pépite | Identification des mécanismes d’impact des interférences électromagnétiques sur des communications Wi-Fi

... expectation, Wi-Fi networks are de- ployed in different places, including transports (trains, buses, etc ) to offer Internet connection and service ...reason, Wi-Fi service should work ...

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An improved neural network training algorithm for wi-fi fingerprinting positioning

An improved neural network training algorithm for wi-fi fingerprinting positioning

... and Wi-Fi networks, Radio Frequency Identification (RFID), Ultra-wide Band (UWB), ZigBee, and their ...technologies, Wi-Fi networks with the IEEE ...of Wi-Fi ...

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Urban Activity Patterns Mining in Wi-Fi Access Point Logs

Urban Activity Patterns Mining in Wi-Fi Access Point Logs

... 4.2.2 Network traces As suggested in Aschenbruck et al. (2011), user traces can be acquired through three different methods : monitoring location, communications or contacts. The monitoring of location involves ...

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Indoor Localization Using Wi-Fi Signals

Indoor Localization Using Wi-Fi Signals

... devices. Wi-Fi based positioning systems have several ...of Wi-Fi networks over the last few years. Wi-Fi infrastructure is available in most urban environments ...

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Energy-Efficient Optimization Layer for Event-Based Communications on Wi-Fi Things

Energy-Efficient Optimization Layer for Event-Based Communications on Wi-Fi Things

... Abstract The Web-of-Things or WoT o ffers a way to standardize the access to services embedded on everyday objects, leveraging on well accepted standards of the Web such as HTTP and REST services. The WoT o ffers new ...

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Les programmes de formation initiale (FI) à l’enseignement : Bilan des réformes récentes et nouvelles tendances pour une formation professionnelle efficace

Les programmes de formation initiale (FI) à l’enseignement : Bilan des réformes récentes et nouvelles tendances pour une formation professionnelle efficace

... La FI des enseignants contribue-t-elle à l’éclosion de classes et d’écoles plus équitables pour les diverses minorités visibles et les divers groupes ethniques? Autrement dit, les futurs enseignants sont- ils ...

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Large Scale Wi-Fi tracking using a Botnet of Wireless Routers

Large Scale Wi-Fi tracking using a Botnet of Wireless Routers

... of Wi-Fi tracking functionality must not disrupt the original functionality of the system; and stealthy because network traffic generated by data report- ing could reveal the existence of operating ...

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Conception d’un capteur de signaux Wi-Fi et Bluetooth. Quelles sont les applications possibles d’un tel dispositif ?

Conception d’un capteur de signaux Wi-Fi et Bluetooth. Quelles sont les applications possibles d’un tel dispositif ?

... Pour ce faire, nous allons réaliser une nouvelle étude (commandée par la mairie de Montreuil) au niveau d’une autre place de Montreuil, la Place de la République, début septembre. Cette place regroupe de nombreux usages ...

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Transport networks

Transport networks

... Tero, A., Takagi, S., Saigusa, T., Ito, K., Bebber, D. P., Fricker, M. D., Yumiki, K., Kobayashi, R. & T. Nakagaki (2010). Rules for biologically inspired adaptive network design. Science, 327(5964), 439-442. Waters, ...

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Metasurface-assisted massive backscatter wireless communication with commodity Wi-Fi signals

Metasurface-assisted massive backscatter wireless communication with commodity Wi-Fi signals

... Conventional wireless communication architecture, a backbone of our modern society, relies on actively generated carrier signals to transfer information, leading to important challenges including limited spectral ...

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A real-time and robust intrusion detection system with commodity wi-fi

A real-time and robust intrusion detection system with commodity wi-fi

... 1 1 Intrusion false alarms for human intrusion detection. In order to avoid such kinds of false alarms, we take advantage of the strength of Doppler velocity. Figure 4 shows the Doppler velocity spectrum when human ...

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Localisation based on Wi-Fi Fingerprints: A Crowdsensing Approach with a Device-to-Device Aim

Localisation based on Wi-Fi Fingerprints: A Crowdsensing Approach with a Device-to-Device Aim

... using Wi- Fi ...ambient Wi-Fi fingerprints, the dataset provider answers with an estimated location, then user’s location is ...embedding Wi-Fi and localisation capabilities ...

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Upper critical magnetic fi eld of KxFe2-ySe2 and Eu0.5K0.5Fe2As2 single crystals

Upper critical magnetic fi eld of KxFe2-ySe2 and Eu0.5K0.5Fe2As2 single crystals

... 3 display the field dependence at various temperatures of the TDO frequency for KFS2 and EKFA single crystals, respectively, in pulsed magnetic fields up to 57 T, aligned paral- lel ([r] ...

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Analysis of ICRF heated discharges wi th boron coated molybdenum tiles

Analysis of ICRF heated discharges wi th boron coated molybdenum tiles

... In C- Mod, the lifetime has been observed to be proportional to integrated injected RF Joules (~50 MJ) and degrades faster than in equivalent ohmic heated discharges.[1] To identify [r] ...

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