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Neural network based smart antennas for cellular and mobile communications systemsEl Zooghby, Ahmed 01 January 1998 (has links)
No description available.
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Quality of service driven handover techniques in mobile ATM networksWhigham, Donte DeShawn 01 October 2001 (has links)
No description available.
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Transport control protocols for the success of the InternetElaarag, Hala A. 01 October 2000 (has links)
No description available.
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Attitude toward the adoption of WAP banking services in Hong Kong.January 2001 (has links)
by Tai Oi Yen, Irene, Yip Ping Yin, Gerald. / Thesis (M.B.A.)--Chinese University of Hong Kong, 2001. / Includes bibliographical references (leaves 38-40). / ABSTRACT --- p.iii / TABLE OF CONTENTS --- p.iv / LIST OF FIGURES AND TABLES --- p.v / Chapter / Chapter I. --- INTRODUCTION --- p.1 / Chapter II. --- BACKGROUND --- p.3 / Chapter III. --- CONCEPTUAL FRAMEWORK --- p.8 / Chapter IV. --- RESEARCH METHODOLOGY --- p.15 / Chapter V. --- RESULTS AND DISCUSSION --- p.19 / Chapter VI. --- IMPLICATIONS TO MANAGER AND RESEARCHERS --- p.27 / Chapter VII. --- CONCLUSION AND WAP BANKING OUTLOOK --- p.33 / APPENDIX --- p.36 / BIBLIOGRAPHY --- p.38
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Free roaming: A system for ubiquitous computingLiu, Huanjin 01 January 2006 (has links)
Based on the Umbilical Cord system, this project enriches the Ubiquitous Computing system with a Free Roaming system. This Free Roaming consists of a distributed authentication system, a data caching system and a communication system between them. It allows user to roam within this system and access his data everywhere. Together with the Umbilical Cord system, a Ubiquitous Computing system is functionally completed as a prototype, and is ready to be deployed into the Internet.
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"It is mine, it is me!" : the use of mobile phones of young people in Macau and Guangzhou / Use of mobile phones of young people in Macau and GuangzhouKong, Wei Chao January 2007 (has links)
University of Macau / Faculty of Social Sciences and Humanities / Department of Communication
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The regulation of global mobile personal communications by satellite : a comparative analysis of regulations, policy and perspectives in the European Union, in particular Germany, and the United StatesCloppenburg, Jürgen. January 2000 (has links)
This thesis analyses the current regulatory regimes in the European Union---in particular Germany---and the United States governing the authorization of global mobile personal communications by satellite (GMPCS). / Current satellite licensing regimes fail to take into account the international character of satellite telecommunications. The reliance on a national public interest standard does not properly address the interests of the community of states, industry and consumers and is not suitable to meet the aspirations of international space law. The international harmonization of frequencies and international standardization are indispensable for the introduction of these new services. The establishment of an international communications regulator with the power to adopt binding decisions if required is the most suitable way to address these problems. However, the development of an international public interest standard with clear policy objectives will be hard to achieve. / With regard to the different aspects of ground segment licensing, a gradual approach is the best way to balance the different interests and concerns in this field. The International Telecommunications Union GMPCS MoU and the development of European regulations show a feasible way to achieve a regulatory regime that facilitates the introduction of these new services. Lighter regulations, possibly the introduction of one stop shopping procedures, mutual recognition of licenses and the introduction of general authorizations are measures that can and should be taken at the international level. The interdependence of earth and space segment licensing may lead to the understanding that some aspects of earth segment licensing should also be regulated at international level. / The question will be whether States, industry and users are able to reconcile their interests and the sometimes opposing trends of international cooperation and international competition for the benefit of "all mankind".
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Mobile business models in African rural communitiesGoetz, Marieta 03 1900 (has links)
Thesis (MPhil (Information Science))--University of Stellenbosch, 2009. / Mobile telephone subscription in developing countries has increased by more than 500
percent since 2005, with Africa experiencing the highest growth rate globally. Amongst
Africa’s 306.5 million subscribers, recorded in 2008, an unexpectedly high adoption rate of
the technology by poor, often illiterate rural communities is observed. Mobile telephony
generally provides African rural users access to electronic communication for the first time.
Providing access to communication, information and knowledge, mobile phones present a
platform for economic and social interaction in rural Africa. The extent of the resulting
positive socio-economic impact on the developing world has lead to mobile telephony
increasingly being viewed as a potential development tool for the socio-economic upliftment
of the rural poor.
This thesis is inspired by the potential for value creation to end users of mobile telephony,
leading to the proposition that the rapid expansion of mobile telephony in rural Africa can
contribute significantly to the sustainability of these communities’ rural livelihoods. For this
proposition to be valid, mobile telephony has to provide value beyond being communication
tool. It has to provide value in income generating activities by increasing opportunities for
access to financial and social capital with mobile business models appropriate to the rural
African context.
To assess the appropriateness of mobile value offerings, the rural African context was
analyzed using the Sustainable Livelihoods Framework. Through multi-level analysis, the
challenges and issues that influence the lives of the rural poor were explored and the
dominant livelihood strategies in terms of income generating activities were identified. Apart
from agricultural income streams, waged labor, migration and micro-entrepreneurial
activities provide non-agricultural income streams.
Creating an appropriate mobile business ecosystem for rural Africa requires the collaboration
of a complex network of actors within a value constellation to co-produce value for the end
users. Three conditional factors were identified for mobile telephony and emerging mobile
business models to contribute successfully to sustainable livelihoods: adaptation of the
technology by providers, user appropriation to make the technology their own and the
assimilation of it into their livelihood strategies. These factors were researched for validation through the study of existing literature and reported case studies. It was found that these three
conditional factors were unequivocally met.
Firstly, the mobile telecommunication industry active in Africa is seen to successfully adapt
and innovate solutions that are relevant to African rural communities’ vulnerabilities and
livelihood strategies. Secondly, African mobile phone users have successfully adopted and
appropriated mobile telephony to create value for themselves in their livelihood strategies,
often independent of external interventions. They are claiming ownership of the technology
and not merely using it as a communication tool. Thirdly, by assimilating mobile telephony
into their livelihood strategies, value-creation within their income generating activities have
been made possible. This value creation is impacting users’ social and financial capital
positively.
This thesis concludes that mobile telephony and emerging mobile business models are
contributing to increasing African rural dwellers’ income generating potential, reducing their
vulnerability to shocks, and providing them with a voice; thereby contributing to sustainable
rural livelihoods.
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Etudes des modèles d'implémentation des opérateurs de réseaux mobiles virtuels / Study of implementation models of mobile virtual network operator (MVNO)Cuvelliez, Charles 09 March 2006 (has links)
This thesis addresses the phenomena of Mobile Virtual Network Operators (MVNO): often MVNO do not come from the telecom sector but they rent the network to mobile operators to become fully mobile operators on their own. So they compete directly not only with the other mobile operators but also with their hosting mobile operator.<p><p>Hosting MVNOs, supporting them from both operational and commercial perspectives are new challenges for the mobile operators: they have to set up a specific internal organization because they used to be a vertically integrated industrial structure. All of this represents tremendous changes for them.<p><p>This thesis describes first the strategic models for hosting MVNOs. The regulatory aspects, that are an essential driver for the liberalization of network economies, are then analyzed. The key point is: are the MVNO able to increase the efficiency and competitiveness of mobile markets.<p><p>Another important aspect is the modelling of a mobile network: the MVNOs will use some components while other components are unuseful for them. Without such model, it is impossible to derive the right costs and price to be charged to the MVNO in order to have a win win industrial model for both the MVNO and its hosting operator.<p><p>A case study of a corporate MVNO focusing on needs of multinationals is analyzed. Such case study describes all the steps for an economic actor to become MVNO from scratch. Such MVNO are not yet present although there is a market demand.<p>The last chapter makes a comparative study of the MVNO markets in the European Union.<p><p>Cette étude aborde le phénomène des opérateurs de réseaux mobiles virtuels ;il s’agit d’acteurs économiques - parfois sans lien aucun avec les télécommunications - qui louent le réseau d’opérateurs mobiles ;ils deviennent à leur tour opérateurs à part entière au point de devenir concurrent non seulement des autres opérateurs mobiles mais aussi de l’opérateur mobile qui leur a loué une partie de son réseau.<p><p>L’hébergement technique de l’opérateur virtuel, son support opérationnel et commercial, l’organisation que doit mettre en place l’opérateur mobile pour héberger son opérateur virtuel afin de partager avec lui son réseau sont des nouveaux défis auxquels les opérateurs mobiles, habitués à être des structures industrielles totalement intégrées verticalement, font face pour la première fois.<p><p>Cette étude traite des modèles d’implémentation des opérateurs de réseaux mobiles virtuels :elle aborde d’abord les aspects stratégiques qui fixent le cadre pour les opérateurs mobiles qui veulent ou sont forcés à héberger des opérateurs virtuels. Les aspects réglementaires, une composante essentielle des économies de réseaux en voie de libéralisation, sont ensuite étudiés, en particulier, comment les opérateurs virtuels peuvent contribuer à améliorer la compétitivité et la libéralisation de ces marchés.<p><p>L’étude modélise ensuite le réseau d’un opérateur mobile de façon à mettre en évidence les éléments à partager qui seront utilisés par l’opérateur virtuel. Cette modélisation est essentielle pour déterminer le coût de l’hébergement et du partage du réseau de façon à créer les conditions de rentabilité de ce modèle d’opérateur virtuel.<p><p>On aborde enfin un cas d’étude d’un candidat à devenir opérateur de réseau mobile virtuel qui souhaite répondre à la demande transnationale des grandes entreprises. Ce type d’opérateur virtuel est encore inexistant de nos jours.<p>Enfin, nous terminons par une étude comparée de la situation des opérateurs mobiles virtuels à travers l’Union Européenne.<p><p> / Doctorat en sciences appliquées / info:eu-repo/semantics/nonPublished
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The regulation of global mobile personal communications by satellite : a comparative analysis of regulations, policy and perspectives in the European Union, in particular Germany, and the United StatesCloppenburg, Jürgen. January 2000 (has links)
No description available.
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