Дисертації з теми "220103 Mobile technologies and communications"
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Izhac, Abdurrahman. "THz technologies and models for mobile communications." Thesis, University of Reading, 2006. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.494157.
Повний текст джерелаMoss, Jonathan G. O. "Spread spectrum technologies for future communications systems." Thesis, University of Oxford, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.285021.
Повний текст джерелаAnsari, Shahzad Mumtaz. "Essays on the making of a market : resources, technologies and social construction : insights from mobile communications." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.616217.
Повний текст джерелаIraba, Marie Louise. "Inexpensive mobile technologies to empower rural farmers with m-agriculture." Thesis, University of the Western Cape, 2010. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_9526_1370595447.
Повний текст джерелаMarket information and established communication between seller and buyer play an important role in business activities. This thesis investigates the Transkei area in the Eastern Cape 
Province, South Africa to find out how to empower rural farmers by providing them with less-expensive mobile technology enabling them to post and advertise their produce, access market 
information on a common database, and find and communicate with potential customers. The farmers&rsquo
requirements were identified using quantitative and qualitative methods and a prototype 
consisting of USSD and web applications was developed. It allows the farmer to follow a sequence of menu commands to send a request to the database and access market information, such 
as commodity prices, and post information about their own produce so as to attract more customers. The low cost of USSD and the ubiquity of mobile phones enable the system to be usable, affordable and effective. During the final stage of development, the system was tested successfully and addressed a major problem faced by farmers, i.e. lack of access to market information.
Leemaqz, Kaleb Lee. "Privacy of RFID - models and protocols." Thesis, Queensland University of Technology, 2013. https://eprints.qut.edu.au/60900/1/Kaleb_Leemaqz_Thesis.pdf.
Повний текст джерелаSheriff, Ray E. "The 2009 Electronics and Telecommunications Research Seminar Series: 8th Workshop Proceedings." University of Bradford, 2009. http://hdl.handle.net/10454/3559.
Повний текст джерелаThis is the eighth workshop to be organised under the postgraduate programmes in electrical and electronic engineering (EEE). The workshop concludes the Research Seminar Series, which has provided a platform for disseminating the latest research activities in related technologies through its weekly seminars. The EEE courses cover a broad range of technologies and this is reflected in the variety of topics presented during the workshop. In total, thirty-three papers have been selected for the proceedings, which have been divided into seven sections. The workshop aims to be as close to a `real¿ event as possible. Hence, authors have responded to a Call for Papers with an abstract, prior to the submission of the final paper. This has been a novel experience for many, if not all of the contributors. Clearly, authors have taken up the challenge with enthusiasm, resulting in what promises to be an interesting and informative workshop.
Berangi, Reza. "Co-channel interference cancellation in mobile cellular communication systems." Thesis, 1998. https://vuir.vu.edu.au/15437/.
Повний текст джерелаChan, Pauline M. L., X. Liang, Felicia Li Chin Ong, and Prashant Pillai. "Fusion of Digital Television, Broadband Internet and Mobile Communications Part I: Enabling Technologies." 2007. http://hdl.handle.net/10454/2671.
Повний текст джерелаIt is the first part of a tutorial which aims to provide an introduction to the current state-of-the art of Digital Video Broadcasting standards over satellite and its fusion with mobile and Internet technologies. It provides an overview of the different technologies and issues that facilitates better understanding of the current and future operational scenarios, focusing on the available DVB and IP technologies.
Gammon, Mark A. "Persistently present: College students, social-mobile technologies, and the transformation of social life." 2009. https://scholarworks.umass.edu/dissertations/AAI3359896.
Повний текст джерелаZonoozi, Mahmood Mohseni. "Handover in digital cellular mobile communication systems." Thesis, 1997. https://vuir.vu.edu.au/15348/.
Повний текст джерелаCalvo, Ignacio. "Étude empirique du contexte d’utilisation des interfaces de vidéocommunication mobile." Thèse, 2014. http://hdl.handle.net/1866/11871.
Повний текст джерелаThis paper presents an exploratory empirical study of mobile videoconferencing according to user’s context in order to suggest guidelines for the improvement of the user interface in mobile video communication devices. Through rich exchange of information, mobile video communication can provide a better sense of presence than other means of communication. Yet the current mobile interfaces lack flexibility to be creative and have more meaningful exchanges in a videoconference. We conducted observations with sixteen participants in three activities where their conversations, reactions and behaviours were observed. Two focus groups were used to identify habits formed from regular use. Results suggest an important difference between using the front-facing or back-facing camera and a clear need for tools that provide more control over the video exchange. From these results, the study proposes several design guidelines for mobile video communication interfaces, respecting the construction of the user’s mobile context.
Lin, Ping-Shan, and 林炳杉. "The Design and Development of Customized Computer Room Environment Monitoring and Alarm System by the Integration of Internet and Mobile Communications Technologies." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/01506982473958959148.
Повний текст джерела國立勤益科技大學
電子工程系
98
In the days of Internet applications environment changes rapidly; while a variety of new information security technology has been continuously developed for reference applications, nevertheless the information security hazards incident is still existed and reported. Restated, the information security issue is difficult to be deterred. Computer room is the core place for IT infrastructure, is the most fundamental aspect of ensuring information security. Therefore, a good computer room maintenance management is necessary. Restated, providing more convenient, auditable and alarm management mechanism is required to fulfill the physical security of the environment and to further enhance the information security. In this study, a customized computer room environment monitoring and alarm system based on the integration of Internet, mobile communications and monitoring is proposed and developed. The operation status of the systems such as air conditioner, electricity and so forth in computer room are detected via different sensors, and then collected by the programmable logic controller. Meanwhile, a designed and developed management system is applied to monitor the running time data status of the subject target, to store the events of all monitored systems and to issue alarm or warning messages for happened abnormal situation. The experiment results demonstrate that the proposed computer room environment monitoring and alarm system is applicable for most enterprises in the computer room and further to promote the information security. Moreover, through the proposed customized computer room environment monitoring and alarm system to help enterprises to eliminate the impact of potential risks is the ultimate goal of this study.
Veljanovski, Ronny. "A reconfigurable root raised cosine filter for a mobile receiver." Thesis, 2003. https://vuir.vu.edu.au/15280/.
Повний текст джерелаAl-Busaidi, Hamed Ahmed Saud. "A model of intention to use mobile government services." Thesis, 2012. https://vuir.vu.edu.au/21309/.
Повний текст джерелаPenev, Vladimir. "Noise blanker for land mobile radio systems." Thesis, 1995. https://vuir.vu.edu.au/18203/.
Повний текст джерелаStojcevski, Aleksandar. "Fuzzy technology application for mobile positioning in cellular communication." Thesis, 2000. https://vuir.vu.edu.au/18213/.
Повний текст джерелаStojcevski, Aleksandar. "A reconfigurable analog-to-digital converter for a mobile receiver." Thesis, 2004. https://vuir.vu.edu.au/15363/.
Повний текст джерелаLeon, Ayala Sandra Caterine. "Les personnes âgées face au défi d'utilisation des nouvelles technologies : étude de l’utilisabilité des interfaces de téléphones portables." Thèse, 2010. http://hdl.handle.net/1866/4736.
Повний текст джерелаTechnological progress and the growing aging population are two major trends of the last decade. The ubiquitous proliferation of mobile communication devices during this period has significantly altered people’s communication habits. The constantly changing mobile phones, their increasing features, the numerous icon designs, the variety of user interfaces and its complex navigation require nowadays not only more time for adaptation and learning but also a significant cognitive effort. Information technology and communication (ICT) have become essential tools of modern life. For seniors, this constantly mutating universe with its new digital devices makes information accessible to many thus contributing to a generational divide. The lack of reference and support and the physical or cognitive impairment that some people often develop while aging makes the use of such products very difficult. Both, a physically and cognitively accessible system becomes a real necessity in our modern society since it could help seniors live more autonomously and« connected ». This research aims to identify the challenges related to mobile phone use and reveal specific problems that older people encounter. The study focuses on the population that is little familiar with these devices especially since communication technologies seem aimed at the younger generations and professionnels. Through qualitative research seniors’ usage pattern will be studied allowing us not only to establish different user profiles with respect to ICT but also to better understand the challenges related to the perception, comprehension and manipulation of mobile phone user interfaces.
Leyonhjelm, Scott. "A digital signal processing solution for multichannel base stations." Thesis, 1995. https://vuir.vu.edu.au/15386/.
Повний текст джерелаRenolds, Victor Alexander. "Touching knowledge: digital media practice and medium theory informing learning on mobile touch screen devices." Thesis, 2017. https://vuir.vu.edu.au/36450/.
Повний текст джерелаDépelteau, Isabelle. "L'usage et l'appropriation des communications mobiles textuelles par les acteurs de la réponse humanitaire du séisme du 12 janvier, 2010 en Haïti." Mémoire, 2013. http://www.archipel.uqam.ca/5728/1/M13031.pdf.
Повний текст джерелаBridges, Paul A. "Digital demodulation techniques for radio channels." Thesis, 1993. https://vuir.vu.edu.au/15572/.
Повний текст джерелаPedro, Macaba Nobre Benedito. "Personalized sensing system." Master's thesis, 2014. http://hdl.handle.net/10437/6166.
Повний текст джерелаCom o surgimento dos ‘smartphones’, entre os anos de 2007 e 2010, a Indústria Informática, associada principalmente com as comunicações móveis, redobrou esforços em relação aos componentes tecnológicos para os dipositivos móveis. No entanto, as principais empresas de computação como Apple, Microsoft e Google, apresentaram-se divididas quanto a disponibilização para os desenvolvedores externos do seu pacote de desenvolvimento de software, abrindo caminho a que ferramentas externas fossem surgindo. Com a disponibilização do ‘Mono for Android’, ambiente integrado de desenvolvimento para dispositivos Android, pequenos desenvolvedores têm a possibilidade de apresentar suas próprias aplicações, muitas delas permitindo ao utilizador efetuar partilha de conteúdos. Do estudo feito sobre diversos conceitos tecnológicos, desde as redes tolerantes a atrasos, sensores embutidos em dispositivos móveis, abstração de dados, aprendizagem máquina, redes centradas em conteúdo, nasce o Personalized Sensing System (PersonalSense) com o objetivo de demonstrar a possibilidade de partilha de conteúdos multimédia, incluindo texto, imagens e vídeos, tendo por base a análise de dados recolhidos, referentes ao comportamento do utilizador sua localização e atividade no momento da partilha. O presente trabalho pretende demonstrar a possibilidade da implementação de mecanismos de partilha de conteúdos em sistemas ubíquos móveis, com base na classificação de dados recolhidos de middleware de gestão de sensores e na capacidade de comunicação direta e de baixo custo (sem infraestrutura) dos dispositivos moveis.
With the emerging of Smartphone’s, especially in the years between 2007 and 2010, the computing industry, mainly associated with mobile communications, increased efforts towards technological components for the devices mobile were made. However, the major companies such as Apple, Microsoft and Google, presented themselves divided on the provision for external developer package their software development, paving the way for external tools that were emerging. With the release of 'Mono for Android', integrated development environment for Android devices, smaller developers have the opportunity to submit their own applications, many of them allowing the user to make content sharing. The study on various technological concepts, since the delay tolerant networks, sensors embedded in mobile devices, data abstraction, machine learning, content-centric networks, is born Personalized Sensing System (PersonalSense) in order to demonstrate the possibility of sharing multimedia content, including text, images and videos, based on the analysis of data collected for the behavior of the user's location and activity at the time of sharing. This work aims to show and demonstrate the possibility of completion of sharing mechanisms for content on mobile ubiquitous systems, based upon data classification collected from managing middleware sensors and the ability to have direct communication and low cost without infrastructure of mobile devices.
Kayamba, Mwanja. "Female entrepreneurs' cellular phone habits in Zambia and South Africa." Diss., 2007. http://hdl.handle.net/10500/2313.
Повний текст джерелаThis study explores the ways in which female entrepreneurs in Zambia and South Africa use their cellular phones, as well as their interests and needs in using this technology. The findings in this study are therefore crucial to the body of knowledge on programmes that seek to uplift women's lives through the deployment of ICTs, since current policies do not make full provision for the use of mobile phones in female entrepreneurship. Information on female entrepreneurs and cellular phones was collected in the literature review. The scrutiny of various literature sources and the analysis of the responses from the interviews with the female entrepreneurs were carried out to arrive at answers to the following research questions: 1. Can telecommunications (specifically, cellular phones) increase the participation of women in the economy? 2. What are the consumer habits of female entrepreneur cellular phone users in Zambia and South Africa? 3. Are the communication needs of business women in Zambia and South Africa adequately met? 4. What are the obstacles that female entrepreneurs in Zambia and South Africa face in the use of cellular phones? 5. What are the similarities and differences in the consumer habits of female entrepreneur cellular phone users in Zambia and South Africa? In order to gather information on the consumer habits of female entrepreneurs in Zambia and South Africa, a survey was conducted of 100 female entrepreneurs. The female entrepreneurs identified in this survey consist of female business owners with no more than 50 employees each, from Gauteng Province in South Africa, and Lusaka Province in Zambia. The female entrepreneurs were identified through the accidental sampling technique, and a structured questionnaire was used to collect information from them. The findings of the investigation reveal that cellular phones have the potential to increase the participation of women in mainstream economic activity, since they are a useful means of communication that allow women from diverse backgrounds to communicate easily for both business and social purposes. Accordingly, national policy-makers in South Africa and Zambia need to investigate further the potential of using cellular phone or similar technology to empower small-scale businesswomen. The investigation also shows that the cellular phone consumer habits of female entrepreneurs in Zambia and South Africa differ when it comes to using cellular phones for business and social communication purposes. More Zambian women indicated that they use their cellular phones in business operations, while South African women showed a tendency to use their phones more for social purposes. The results of this investigation further illustrate that despite the importance in value which the mobile phone has for women entrepreneurs in both Zambia and South Africa, the communication needs of women's entrepreneurship are not adequately met. The main obstacles in meeting the communication needs of female entrepreneurs in Zambia and South Africa are inadequate network coverage and high prices. The study shows that a number of women (52,2%) indicated that they are inhibited from effective communication services and therefore resort to borrowing other people's mobile phones. The lack of empirical studies on the use of telecommunications by female entrepreneurs in both Zambia and South Africa attests to the fact that women's entrepreneurship is still an area that requires in-depth investigation. If various development efforts are to meet their targets, clearly the area of women's entrepreneurship and how various ICTs such as cellular phones are used therein needs urgent investigation.
Communication Sciences
M. A. (International Communication)
Waiyaki, Edward Chege. "Leveraging technology for business fleet applications : a case study of fleet management system implemented in Kenya Power & Lighting Company Limited." Diss., 2013. http://hdl.handle.net/10500/11883.
Повний текст джерелаTransport Economics, Logistics & Tourism
M. Com. (Transport Economics)
(8803076), Jordan M. McGraw. "Implementation and Analysis of Co-Located Virtual Reality for Scientific Data Visualization." Thesis, 2020.
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