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 22 for “"Mobile telephony"”.
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Estimating Movement from Mobile Telephony Data
Mobile enabled devices are ubiquitous in modern society. The information gathered by their normal service operations has become one of the primary data sources used in the understanding of human mobility, social connection and information transfer. This thesis investigates techniques that can …
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Measuring and generating social influence using mobile telephony
In recent years, mobile telephony and manufactured social influence have received attention as tools for eliciting behavior change. This paper describes an experimental approach to studying the effect of these tools in combination. We demonstrate that mobile telephony can be used to generate social …
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Speakeasy : mobile telephony for community networking and civic engagement in an immigrant community
Immigrants face a variety of barriers limiting their access to social services. These include inability to speak English, unfamiliarity with available services, and distrust of government agencies. To overcome these obstacles, many immigrants rely on informal social networks for information, …
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Assessing the African mobile telephony boom : the impact of the mobile phone and its relationship to the digital divide
… dissertation provides an overview of the boom in mobile telephony in Africa, experienced in terms of exceptional and increasing subscriber growth. It provides a description of the mobile telephony boom, as well as its social political and economic impacts. It investigates what effect mobile …
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Inventive infrastructures : an exploration of mobile phone 'repair' cultures in Kampala, Uganda
… these communities of repair congeal around the mobile phone? How do they form and develop? How is 'repair' understood and negotiated? The 'moment' of mobile phone repair exposes the multi-layered physical and social relationships that underpin mobile telephony in Kampala. Mobile phone workshops …
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Supplanting copper : pricing and quality of GSM telecom services in Africa
Introduction: The mobile phone is one of the greatest innovations of the 2 0 th century. It allows a user to communicate information - data and voice - regardless of their geographical location. Its importance has grown tremendously, as people adopt it for use in personal/business uses, disaster …
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Data transmission by frequency-hopped multilevel frequency shift keying
… message. This technique is suggested for digital mobile telephony. This thesis is concerned with an investigation of the possibility of utilising FH-MFSK for data transmission corrupted by additive white gaussian noise (A.W.G.N.). Work related to FH-MFSK has so far been mostly confined to its …
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SOME MULTIBAND COMPACT AND COST EFFECTIVE ANTENNAS FOR MOBILE COMMUNICATION APPLICATIONS
… of telecommunications and especially the one of mobile telephony has evolved rapidly. Cell phones have evolved immensely both in design and function. Due to the development of modern integrated circuit technology, personal communication handsets are shrinking in size and are required to operate …
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A Future Archaeology of the Mobile Telecoms Industry.
… on UK radio spectrum licences for 3rd Generation mobile telephony or '3G'. They were investing in a future, in a specific story of the future, a story of ubiquitous wireless telecommunications. The thesis addresses questions raised in social studies of science and technology as to how such a …
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Telco 5G and Non-Terrestrial Networks: An architecture trade analysis to select solutions to support socio-technical needs in Sub-Saharan Countries
Sub-Saharan Africa(SSA) has a unique cellular mobile subscriber base of over 490 million, accounting for a mobile penetration of 43%. Despite the growth in mobile telephony over the past few decades, more than 180 million people in Sub-Saharan Africa live without internet access. For those living …
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Automated Testbench Generation for Communication Systems
… speech-coding channel of the Global System for Mobile Communication (GSM). GSM is the Pan-European digital mobile telephony standard specified by the European Telecommunication Standards Institute (ETSI). This thesis emphasizes the error detection and error correction procedures that form an …
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The contribution of mobile telecommunication technology to sustainable development in selected countries in Africa
… and growing more disconnected. At the same time, mobile phones are widely adopted in these underdeveloped areas and demonstrate potential for economic development. However, technological innovation and policies have often addressed narrow dimensions of poverty and development. Sustainable …
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Efficient narrow-band speech transmission over land mobile channels.
… bandwidth efficiency, for speech transmission in mobile communications.In the first part, a flexible, real-time, programmable, mobile radio channel simulator is proposed. The conventional basic configuration of the simulator was augmented with several blocks, allowing the simulation of multipath …
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Measuring travel equity and representativeness : opportunities and challenges of using smartphone-based travel survey in Dar es Salaam, Tanzania
… to demonstrate the potential value that mobile telephony presents for transportation planning purposes in Dar and other cities of the Global South. Based on the smartphone-based travel survey data collected by the World Bank from 581 Dar residents for a 4-week period in November-December …
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All-optical processing for terabit/s wavelength division multiplexed systems using two-photon absorption in a semiconductor micro-cavity
… broadband services, such as video-on-demand and mobile telephony, there is a constant requirement for higher speed communications. It is expected that next generation optical communications systems will evolve towards higher capacities by increasing individual line rates rather than the number of …
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The diffusion of information and communication technologies in the informal sector in Kenya
… participants, with the exception of the mobile phone and mobile money services, was found to be quite low. The use of the mobile phone and mobile phone services was over 90%. . Access to formal business information sources was also poor, and the majority of the MSE participants relied …
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Journeying on to a better place? The processes and experiences associated with working around death and dying in care homes for older people.
… number of ways for example, the increased use of mobile telephony was used as a way to forewarn workers who were not present at a death. By reminiscing and collective story telling workers are able to ease the transitional journey of residents from dying to dead. Memorialisation is a celebration …
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Activism via Social Networking: A case study of Urban Indian Women Facebook Users
… boasting the second highest usage of mobile Internet in the world. Even low-end mobile phones are enabled with data access options and SNS can now be accessed in vernacular languages. While digital activism is unfolding in urban India via the mobile Internet, in non-urban areas …
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Assessment of ordinary consumer representation in liberalised mobile telecommunications markets: a case study of Nigeria
… consumer representation in the liberalised mobile telecommunications market in Nigeria is situated within the broader perspective of the public interest and in the context of policy and institutional failure (what happens after policies are adopted?). It focuses on aspects of compliance …
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