Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 169 for “"WiFi"”.
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Guidelines for outdoors WiFi space design
Wireless technology has made it possible for people to access information anywhere at anytime. Though Wi-Fi technology is already considered to be the most affordable method of accessing the Internet indoors, its application in large-scale outdoor spaces is still in the developing stage. New park …
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OpenWiFi : a consumer WiFi sharing system
… the design, implementation and evaluation of OpenWiFi, a consumer WiFi-sharing system. OpenWiFi aims to allow owners of WiFi access points (APs) to function as private internet service providers. The OpenWiFi model combines WiFi access facilities owned by participating individuals or businesses …
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IoT WiFi sensor vlhkosti půdy a teploty
… práca sa zaoberá problematikou návrhu IoT WiFi senzora vlhkosti pôdy, vzduchu a teploty. Pre navrhnuté zariadenie sa predpokladá možnosť jednoduchého prenosu zariadenia, nízka spotreba a zabezpečená komunikácie. V teoretickej časti práce sú popísané vybrané typy senzorov a ich fungovanie. …
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Practical distributed MIMO for WiFi and LTE
… to have a practical distributed MIMO system for WiFi and LTE. In this thesis, we address the practical limitations in distributed MIMO systems. We present algorithms that enable practical distributed MIMO in the context of WiFi and LTE. Furthermore, we demonstrate these algorithms through …
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Disseny i implementació d'un robot amb connexió WiFi
In the present work the prototype for a self-propelled embedded system with wireless connectivity has been carried out. The system is designed to receive commands from the Internet.
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Device-Free WiFi Sensing for Human Activity Recognition
Human activity recognition (HAR) using WiFi signals (WiFi-based HAR) has drawn considerable interest from the research community. In contrast to traditional device-based sensing techniques, WiFi-based HAR possesses several advantages, including convenience, wide availability, and privacy …
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WiFi RV131 modulio tyrimas ir taikymas mobiliuose įrenginiuose /
… and Applications in Mobile Devices of WiFi RN131 Module.
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WiFi ad-hoc message propagation over GPRS networks
… technologies, such as IEEE 802.11 (or WiFi). The number of WiFi-enabled handheld devices is escalating as the services they offer attract an increasing number of customers. These devices have the capability of creating MANETs regardless of any infrastructure. Such networks can be used …
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Map-assisted Indoor Positioning Utilizing Ubiquitous WiFi Signals
… solution is on the increase dramatically, and WiFi-based indoor positioning is known as a very promising approach because of the ubiquitous WiFi signals and WiFi-compatible mobile devices. Improving the positioning accuracy is the primary target of most recent works, while the excessive …
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Effects of denial of service attack in WIFI-broadband networks.
This Dissertation investigates the effect of Denial-of-Service (DoS) attacks in Broadband- Wi-Fi networks involving public sector networks. Over the recent past, Wireless communications have become increasingly popular in our everyday life and the world has become increasingly mobile. Traditional …
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Effects of denial of service attack in WIFI-broadband networks.
This Dissertation investigates the effect of Denial-of-Service (DoS) attacks in Broadband- Wi-Fi networks involving public sector networks. Over the recent past, Wireless communications have become increasingly popular in our everyday life and the world has become increasingly mobile. Traditional …
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Mikrokontroller alapú szenzorállomások kommunikációs lehetőségeinek (WiFi) fejlesztése DSN-PC-hez
… egymás közti vezeték nélküli kommunikációjával (WiFi) és annak fejlesztésében elért eredményeim bemutatásával foglalkozom.
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Quality of Experience Enhancement Architecture For Video Delivery On WiFi
WiFi has become a widely used medium for delivery of video content. At the same time, there is a proliferation of WiFi capable devices such as mobile phones and portable computers with the capability of consuming video content using WiFi as the access technology. Due to the proliferation of such …
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Performance analysis of hybrid WiFi and TV white space links
… areas. Cellular, satellite and some pockets of WiFi technologies are mostly used to provide access in rural areas. Although these technologies help mitigate connectivity challenges in rural areas, they are often costly and provide limited broadband access. The high cost of access in rural areas …
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A WiFi technológiára épülő Internet szolgáltatás fejlesztésének lehetőségei Hajdúszoboszlón és környékén
… színvonala is alacsonyabb. A vezeték nélküli (WiFi), hálózatok az utóbbi tíz évben jelentős fejlődésen mentek keresztül. Dolgozatomban ismertetem a vezeték nélküli hálózat szakmai alapját, a szabványait. Saját méréseim alapján bemutatom Hajdúszoboszló város WiFi-s lefedettségét, hiányosságait, …
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Design of fractal minkowski diversity antenna for LTE and WIFI application
… of 1.8 GHz and 2.4 GHz for LTE system and WIFI. Design process involves a mathematical analysis, simulation and fabrication process. Fractal antenna properties were observed from the measurement of return loss, standing wave ratio (SWR), bandwidth and radiation pattern.
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Aplicación de comunicación móvil mediante teléfonos celulares a través de Wifi
… el conjunto de frecuencias que pertenecen a Wifi. Además se profundiza la configuración de cada dispositivo para que pueda trabajar en modo Adhoc y la instalación del protocolo BATMAN. Los dispositivos móviles a utilizar son tres: HTC Dream, Huawei Ideos U8150 y el Huawei M835, estos trabajan …
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Gateway pro připojení řídící jednotky ohřívače vody do cloudu prostřednictvím domácí WiFi
Diplomová práce pojednává o návrhu gatewaye pro připojení řídicí jednotky ohřívače vody do cloudu pomocí domácí Wi-Fi sítě. V úvodní části se práce zabývá hledáním vhodného řešení gatewaye. V další část se pak věnuje samotnému návrhu hardwaru a softwaru gatewaye a její realizaci.
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Vzdálené ovládání embedded systému mobilní aplikací s využitím přenosu dat přes WiFi
Práce se zaměřuje na problematiku bezdrátové komunikace v embedded systémech, s důrazem na technologii Wi-Fi a její komunikační protokoly. První část obsahuje teoretický úvod do technologie Wi-Fi. Druhá část stručně představuje použitý hardware. V následujících částech je popsána implementace …
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