Dissertations / Theses on the topic 'WI-FI module'
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Ізюмкин, Петро Ілліч. "Автономний канал електроміографа з WI-FI модулем для робототехнічних систем." Bachelor's thesis, КПІ ім. Ігоря Сікорського, 2020. https://ela.kpi.ua/handle/123456789/35930.
Full textThe volume of the report is 68 pages, contains 42 illustrations, 6 tables, 0 annexes. 34 references were used. The introduction of robotic systems in medical practice and stimulating devices necessitates the development of devices for receiving control signals. One such device is an electromyograph, which allows you to effectively assess and analyze the movements of the limbs. To use the signal as a control, the electromyograph must accurately determine the force of the muscle and transmit it in an informative way. This work is designed to solve this problem. Purpose: Develop and manufacture an electromyograph channel with a WI-FI module. Tasks: – Develop medical and technical requirements according to current standards; – Develop schematic diagrams of channel elements; – Design, fabricate and test a prototype
Martinka, Václav. "Bezdrátové ovládání LED světel." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2021. http://www.nusl.cz/ntk/nusl-445572.
Full textBugár, Loránt. "Vestavný systém s komunikačním rozhraním NFC a Wi-Fi." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2016. http://www.nusl.cz/ntk/nusl-240926.
Full textKolmačka, Jan. "Zajištění QoS v bezdrátových sítích." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2010. http://www.nusl.cz/ntk/nusl-218563.
Full textGuegan, Loic. "Scalable end-to-end models for the time and energy performance of Fog infrastructures." Thesis, Rennes, École normale supérieure, 2021. http://www.theses.fr/2021ENSR0025.
Full textFog Computing designates the migration of the computing and storage resources of the Cloud towards the edge of thenetwork. This resources migration allows to reduce the user’s nodes latency to answer to the evolution of the Internet usages. In parallel, the number of terminal is increasing with the development of the Internet Of Things. This infrastructures growth leads to an increase of the global energy consumption related to network infrastructures. However, this energy consumption is distributed and involved many actors such as: connected objects, local network, Internet Service Providers, Fog and Cloud infrastructures. Thus, it is difficult to study the impact of the connected objects growth on the infrastructures that composed the Internet of Things. The goal of this thesis is to propose models to study the energy consumption of large-scale Fog infrastructures in an efficient and reproducible manner. The proposed models have been integrated in the SimGrid simulation framework in order to be validated and spread
Michalec, Richard. "Zvýšení efektivity handoveru v reálném síťovém prostředí." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2011. http://www.nusl.cz/ntk/nusl-218988.
Full textLelek, Martin. "Návrh modulu inteligentní sítě pro 2D sběr radiačních dat." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2018. http://www.nusl.cz/ntk/nusl-376893.
Full textChang, Shih-Yu, and 張式宇. "Improvement on Throughput Test of Wi-Fi Module." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/49542271829815646329.
Full text國立彰化師範大學
電機工程學系
104
With the introduction of IOT and Industrial 4.0, the wireless network products have gain more popularity. Most electronic products will implement wireless modules to communicate and transfer data. Most wireless products use ISM (Industrial, Scientific and Medical) channels, in order to ensure data can be transferred in the compact wireless channels; the auto channel selection method is adopted to reduce the neighboring signal jamming. To make sure the wireless modules are compatible with each channel from the base station and achieve good transferring rate, the data and signal is measured for analysis and ensure the design meets specification. The signal of each channel and the data are measured and can be distrusted to clarify the problem. To deduct the radio noise factors of interference, the test is took in a RF (Radio frequency) shielding room, but it took many labor hours to test and has negative impact to human body. This research develops the automatic tool based on the V-shape model, it will automatically measure the wireless throughput and reduce labor hours then increase equipment utilization rate.
Sho-Yu, Chiu, and 邱紹育. "Design and Implememtation of a Wi-Fi Booster Module." Thesis, 2011. http://ndltd.ncl.edu.tw/handle/08840658038457485065.
Full text中華大學
電機工程學系碩士班
99
In this thesis,we discuss how to design and implementation of a Radio Frequency for Wi-Fi 802.11g Booster system,and it is base on RF power amplifier design rule with IEEE 802.11g stardand to design Wi-Fi RF booster module system,In this design the target is focus on antanna port which output power couold reach 24dBm and EVM under 5% performance. In this design ,we also discuss how to select key parts(PA,LNA),system plan,circuit design,circuit verify,and assembly with golden unit,PCB Layout and placement。In the paper we discuss Wi-Fi transmit and receive structure,and 802.11g evolution and test process.In this design,it is base on 2.4GHz ISM band frequency and 20MHz bandwidth do the test。 In chapter 1 is Motivation,chapter 2 is 801.11g instruction and test,chapter 3 is for RF booster system design and therory discuss of circuit,chapter 4 is assembly with golden unit、Throughput test、and RF module sensitivity test、PCB Layout and PCB Placement。
Yang, Kuei-tzu, and 楊桂慈. "Enabling Effects of Wi-Fi Module-A Case Study of Telemedicine." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/bt65v7.
Full text國立臺北科技大學
環境工程與管理研究所
106
Wi-Fi is not only one of the major technologies for connecting mobile phones, tablets and computers but also widely used in agriculture, medical care, warehousing, logistics and personal home appliances. With the trend of many industries combining ICT technologies, we can see the ICT impact from personal life to society as a whole. There are many studies, which is about network energy consumption, and conduct related research, but the enabling effects of providing online services to replace traditional product are still rarely discussed. In view of the past, the studies often focused on exposing product environmental impact information. This study takes the effect of Wi-Fi module products providing network services indirectly into the medical industry as an example. Through the system dynamics software STELLA to construct the carbon emission model of traditional medical services and telemedicine services and to simulate the carbon emissions that can be reduced by telemedicine services in place of traditional medical services under different scenarios. Finally, the benefits are allocated to Wi-Fi module products by its economic value. The scenarios are mainly divided into baseline, telemedicine high adoption rate and the low adoption and simulate the demand for medical services and the adoption rate of telemedicine in the outlying islands from 2007 to 2036, and further estimate its carbon emissions. The simulation results show that the traditional medical carbon emission mainly comes from the patient transportation stage, and the telemedicine carbon emission mainly comes from the network transmission stage, and the telemedicine can reduce average 50.8 kg CO2e per person. In the baseline scenario, total carbon reduction in telemedicine reached 16,234 metric tons; in the context of high and low adoption rates of telemedicine, total carbon reductions were 19,161 metric tons and 13,140 metric tons, respectively. The Wi-Fi modules enabling effect by the economic allocation approach is a carbon reduction effect of 202 metric tons. With the situation of different telemedicine adoption rates, its enabling effect can reduce carbon emissions by up to 238 metric tons, with a minimum reduction of 164 metric tons.
Chitedze, Zimani. "Mobility management for Wi-Fi infrastructure and mesh networks." Thesis, 1990. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_6770_1370594652.
Full textVarelas, Nuno Miguel Silva. "Remote vital signs monitoring: data processing and transmission module." Master's thesis, 2008. http://hdl.handle.net/10316/12276.
Full textEspindola, Tatiane Sander. "Generative Adversarial Networks applied to Telecom Data - Using GANs to generate synthetic features regarding Wi-Fi signal quality." Master's thesis, 2021. http://hdl.handle.net/10362/119708.
Full textWireless networks are, currently, one of the main technologies used to connect people. Considering the constant advancements in the field, the telecom operators must guarantee a high-quality service to keep their customer portfolio. To ensure this high-quality service, it is common the establishment of partnerships with specialized technology companies that deliver software services to monitor the networks and identify faults and respective solutions. Although, a common barrier faced for these specialized companies is the lack of data to develop and test their products. This project’s purpose was to better understand Generative Adversarial Networks (GANs), an algorithm considered state-of-theart between the generative models, and test its usage to generate synthetic telecommunication data that can fill this gap. To do that, it was developed, trained and compared two of the most used GAN’s architectures, the Vanilla GAN and the WGAN. Both the models presented good results and was able to simulate datasets very similar to the real ones. The WGAN was chosen as the final model, but just for presenting a slightly and subjective better result on the descriptive analysis. In fact, the two models had very similar outputs and both can be used.
Joubert, Petrus Jacobus. "An investigation into the use of kriging for indoor Wi-Fi received signal strength estimation / Petrus Jacobus Joubert." Thesis, 2014. http://hdl.handle.net/10394/15320.
Full textMIng (Computer and Electronic Engineering), North-West University, Potchefstroom Campus, 2015
Γεωργόπουλος, Ιωάννης. "Ηλεκτρομαγνητική μοντελοποίηση στην VHF και UHF περιοχή ραδιοφάσματος για εφαρμογές στα σύγχρονα ασύρματα δίκτυα." Thesis, 2010. http://nemertes.lis.upatras.gr/jspui/handle/10889/4345.
Full textIn modern wireless communications, a wide range of RF models are used to provide the median (average) value of the signal strength at a given distance from the transmitter and for a given frequency spectrum. In this procedure, certain geographical (ground, humidity, terrain irregularities), topological (heavy or scattered population, type of obstacles, density of the buildings) characteristics of the area, as well as certain specifications of the transmitter and receiver antennas (most notably antenna height and antenna gain) have to be taken into consideration. In most cases, the mean value of the path loss is expressed in dB in dependence with the frequency of the operating system and the distance between the transmitter and the receiver (for given antenna characteristics and a certain type of environment where the system operates). Thus, a deterministic knowledge of the average path loss (which along with the average rain loss and diffraction loss provides the overall propagation loss in dB) is available. However, distance and frequency limitations have led research to a further study and expanding of the existing empirical and semi-empirical models , for both outdoor and indoor scenarios. A fundamental parameter-based study of the path loss models is based on the concept that the second power law that is predicted by the Friis equation does not apply in real-life scenarios except for standard LOS paths. The modified power law research allows engineers and scholars to calculate the mean received power of a signal transmitted over a wireless link in a more realistic approach. It has been suggested that the third-power law is more suitable for a plethora of applications based on wireless communications for an outdoor environment.The indoor propagation channel, in particular, demands a lot more than a deterministic formula of calculating the average signal strength as a function of distance and frequency. The increased impact of multipath and other propagation phenomena such as reflection and scattering, as well as the existence of many objects whose proportions are comparatively close to the wavelength of the operating wireless systems, render the propagation of a signal and its arrival at a receiver (mobile or fixed) a rather complex procedure. The precision of the path loss models depends heavily on their ability to demonstrate and reflect, in the calculations, these complex phenomena to the best possible way .The majority of these models have been developed and validated for mobile telephony systems in both outdoor and indoor schemes (GSM, PCS-1800, GPRS, UMTS). Certain extensions of many of these models were conducted in order to expand the frequency and distance limitation of the original formulas. New empirical models have also been suggested for these certain frequencies .Taking into account the very sensitive and subject to many different factors nature of the indoor propagation channel, it is easily concluded that both researchers in academia and engineers in industry need to have reliable models that will predict precisely the average path loss over the indoor 2.4 GHz channel which is of utter importance as the de facto frequency of Wi-Fi and WLAN systems. A gap in aforementioned research, however, is that it either concentrates on multipath parameters or does not feature a full comparative validation of most well-known indoor path loss models.The purpose of this work is to present, all the data collected through experiments in realistic conditions and real telecom systems, in order to validate and modify (where necessary) the existing RF models. Furthermore an empirical formula to measure attenuation due to shadowing is derived through these RF models.Measurements took part in five different topologies. In each of them the mean received power was recorded, for various distances between the transmitter and the receiver, in order for our endeavor to validate the RF models in question to be reliable. Through this procedure, RF models where examined towards each topology’s distinctive characteristics that reflect in quality and quantity all the attenuation mechanisms that affect the propagated signal.