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281“…In particular, a QoS-aware MAC protocol is essential for WBANs operating in the unlicensed Industrial, Scientific, and Medical (ISM) bands, because different wireless services like Bluetooth, WiFi, and Zigbee may coexist there and cause severe interference. …”
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282“…It had several sensor clusters, with floating WiFi antennas, deployed along a downstream river’s course. …”
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283“…Many technologies, such as ultrasonic, sensors, Bluetooth, WiFi, magnetic field, Radio Frequency Identification (RFID), etc., are used to perform indoor positioning. …”
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284por Kim, Hyunjun, Lee, Junhwa, Ahn, Eunjong, Cho, Soojin, Shin, Myoungsu, Sim, Sung-Han“…Equipped with a camera, an ultrasonic displacement sensor, and a WiFi module, the system provides the image of cracks and the associated working distance from a target structure on demand. …”
Publicado 2017
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285“…This paper presents a new application of these probes, namely the simultaneous monitoring of ponded water level, soil moisture, and temperature profile, conditions which are particularly important for rice crops in temperate growing regions and for rice grown with prolonged periods of drying. WiFi-based loggers are used to concurrently collect the data from the MCPs and ultrasonic distance sensors (giving an independent reading of water depth). …”
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286por Wang, Chundong, Zhu, Likun, Gong, Liangyi, Zhao, Zhentang, Yang, Lei, Liu, Zheli, Cheng, Xiaochun“…Finally, we experiment on mobile and commercial WiFi devices. Our algorithm can effectively distinguish the Sybil devices. …”
Publicado 2018
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287“…For this reason, we also investigate in this work the radiation pattern of an 802.11 n/ac (WiFi) device embedded in a UAV working on both the 2.4 and 5 GHz bands. …”
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288“…Enterprise Wireless LANs (E-WLANs) such as airport WiFi, have become a convenient way for Internet access for mobile users. …”
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289“…With the wide deployment of commercial WiFi devices, the fine-grained channel state information (CSI) has received widespread attention with broad application domain including indoor localization and intrusion detection. …”
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290“…The acquired ECG signals can be transmitted to a smartphone via Bluetooth, and they can also be sent out to a PC terminal by a smartphone via WiFi or Internet. To get more significant ECG signals, the ECG differential signal between two electrodes is calculated based on a spherical volume conductor model, and the best positions on the surface of a human body for two textile electrodes to measure ECG signals are simulated by using the body-surface potential mapping (BSPM) data. …”
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291“…First the model parameters are adjusted separately for each of 14 measured WiFi modems. These devices are treated as samples of a wider population of devices and their parameters are used for stochastic parameters modeling, i.e., choosing the random variables’ distributions, their parameters, and the correlation among parameters. …”
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292“…The four-port antenna can be used for MIMO systems or smartphones operating on many wireless systems simultaneously such as 3G/4G/5G Sub-6 GHz and WLAN including the next generation WiFi7 with full-duplex operation.…”
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293por Roy Chowdhury, Rajarshi, Aneja, Sandhya, Aneja, Nagender, Abas, Pg Emeroylariffion“…All the required devices, such as IoT devices, workstation, smartphone, laptop, USB Ethernet adapter, and USB WiFi adapter, have been configured accordingly, to capture and store network traffic traces of the 14 IoT devices in the laboratory. …”
Publicado 2021
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294por Alarcon, Miguel R., Puig-Subirà, Marta, Serra-Ricart, Miquel, Lemes-Perera, Samuel, Mallorquín, Manuel, López, César“…SG-WAS is based on the TSL237 sensor –like the Unihedron Sky Quality Meter (SQM) or the STARS4ALL Telescope Encoder and Sky Sensor (TESS)–, with wireless communication (LoRa, WiFi, or LTE-M) and solar-powered rechargeable batteries. …”
Publicado 2021
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295“…The main design abstractions of the system (i.e., generic sensor configuration, simple language with chainable operations for processing data on the edge, seamless WiFi/GSM communication) allowed developers to be productive and focus on the application requirements and the high-level design choices needed to define the edge system (microcontroller and its sensors), avoiding the large set-up times necessary to start a solution from scratch. …”
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296por Espinosa-Gavira, Manuel Jesús, Agüera-Pérez, Agustín, Sierra-Fernández, José María, González de-la-Rosa, Juan José, Palomares-Salas, José Carlos, Florencias-Oliveros, Olivia“…The network was based on WiFi, comprised 16 pyranometers, and proved to be stable at sampling periods up to 25 ms, providing detailed spatial representations of the irradiance field and its evolution. …”
Publicado 2022
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297“…It is more efficient in WiFi and a a high-quality 4G network environment.…”
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298por Psenakova, Zuzana, Smondrk, Maros, Barabas, Jan, Benova, Mariana, Brociek, Rafał, Wajda, Agata, Kowol, Paweł, Coco, Salvatore, Sciuto, Grazia Lo“…The presented study discusses the possible disturbing effects of the electromagnetic field of antennas used in mobile phones or WiFi technologies on the pacemaker in the patient’s body. …”
Publicado 2022
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299“…Its operating bands include 5G, WiFi, X-band, etc. Moreover, the parameters of diversity performance were also tested. …”
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300por Caputo, Stefano, Mucchi, Lorenzo, Comparetto, Regina, D’Antoni, Vittoria, Farini, Alessandro, Orsi, Valentina, Baldanzi, Elisabetta“…VLC is nowadays seen as a promising technology for indoor applications, helping WiFi to handle the spectrum crunch. Possible indoor applications range from Internet connection at home/office to multimedia content delivery in a museum. …”
Publicado 2023
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