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.
Results
Showing 1 to 20 of 20 for “"Wireless telecommunications"”.
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A functional approach for studying technological progress : extension to wireless telecommunications technology
… attempts to study the technological progress of wireless technology and the wireless industry throughout history, using high-level, non-device specific performance metrics. Such metrics are developed by following the broad functional category approach. The analysis performed is both qualitative …
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The transformation of Korean wireless telecommunications policy: the state, transnational forces, businesses, and networked users
This dissertation is a historical account of wireless telecommunications policy in South Korea (hereafter Korea). It investigates how wireless telecommunications policy in Korea was transformed from 1993 to 2013. This dissertation relies on historical methods and user interviews, and examines …
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A value chain perspective on the economic drivers of competition in the wireless telecommunications industry
… brought about by the rapid pace of change in the wireless telecommunications industry. We draw upon elements of value chain theory in developing a systematic historical perspective on these changes in wireless telecommunications. We draw upon elements of classical economic theory in understanding …
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A study of two wireless telecommunications companies' globalization strategies : an analysis of Vodafone's and NTT DoCoMo's foreign investments
Thesis (M.B.A.)--Massachusetts Institute of Technology, Sloan School of Management, 2003 [first author]; and, (S.M.)--Massachusetts Institute of Technology, Sloan School of Management, 2003 [second author].
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Software defined radio : a system engineering view of platform architecture and market diffusion
… product development process. In particular, the wireless telecommunications industry is plagued by multiple incompatible dominant second-generation standards, with each with separate migration paths to future third generation functionality. The high initial investments in spectrum and …
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Simulation and performance analysis of Cellular Digital Packet Data
As the wireless telecommunications industry becomes more widely accepted, the need for mobile data communication has followed the rise in mobile voice communication. Cellular Digital Packet Data (CDPD) offers an unobtrusive data service that overlays the existing Advanced Mobile Phone Service …
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Susceptibility of a digital turbine control system to IEEE 802.11 compliant emissions.
… their potential susceptibility to contemporary wireless telecommunications technologies. This study evaluates the susceptibility of Comanche Peak's planned turbine controls upgrade to IEEE 802.11 compliant wireless radio emissions. The study includes a review of previous research, industry …
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Collision study for the one-way IVDS channel
… currently being developed by the Center for Wireless Telecommunications ( CWT ) at Virginia Tech. A novel retransmission technique has previously been developed which discusses the probability of packet collisions on the channel and uses a computer program to simulate the channel model. This …
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New Approaches to Synthetic Tabular Data Generation
… STG with LLMs, and (5) STG for next-generation wireless as a telecom application. Through Problems 1 and 2, we aim to improve the quality of generated synthetic tables; in Problem 3, we reduce the computational cost while maintaining quality; Problem 4 proposes a trust indicator for evaluating …
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Investigation of an intelligent personalised service recommendation system in an IMS based cellular mobile network
… anywhere, anyhow services has been the focus of wireless telecommunications in recent years, personalisation however has gained more and more attention as the unique selling point of mobile devices. Smart phones should be intelligent enough to match user’s unique needs and preferences to provide …
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Incubators in the new economy
… of vertically- focused incubators in the wireless-telecommunications space. The analysis consists of business articles and a total of more than 80 in-depth interviews with incubator founders, venture capitalists, New Economy analysts, New Economy visionaries, entrepreneurs, investors both …
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A Future Archaeology of the Mobile Telecoms Industry.
… 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 future is made in everyday practices inside the industry, and how this future might be made otherwise. The research draws …
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Repeater Unit Software Development in Wireless Interactive Video Data Service System
… (IVDS) system developed by The Center for Wireless Telecommunications, Virginia Tech. This system consists of three components - User control, Repeater unit and a Host program. The user requests a service using his/her television remote (User control). A transceiver (User control) located …
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The Design of an IVDS World Wide Web Browser Architecture
… with a quiz show. The Virginia Tech Center for Wireless Telecommunications (CWT), under a contract with Interactive Return Service, Inc., is developing an IVDS system in which content is provided through the television cable system in the form of audio codes. A special remote control can …
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Designing a Software Defined Radio to Run on a Heterogeneous Processor
… Beagleboard. For the application, the Center for Wireless Telecommunications' (CWT) Public Safety Cognitive Radio (PSCR) is ported, and an Android based touch screen interface is used for user interaction. In porting the PSCR to the Beagleboard USB bandwidth and memory access latency issues were …
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Remote Access and Service Discovery for a Vehicular Public Safety Cognitive Radio
The Virginia Tech Center for Wireless Telecommunications' (CWT) Public Safety Cognitive Radio (PSCR) addresses the radio interoperability issues that plague many of the existing public safety radios — disparate frequency bands, incompatible modulation schemes and lack of active channel detection …
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Hybrid optimisation electromagnetic interference shielding effectiveness:mechanical and physical performance of plaster mortar containing palm oil fuel ash using taguchi grey and taguchi-flower pollination algorithm methods
The rapid development of wireless telecommunications has revolutionarily modernized the global society, whereas it has created serious concerns on harmful effects of the electromagnetic interference (EMI) on human health and performance of electronic devices. The purpose of this research was to use …
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Android Phone Controlled Beagle Board Based PSCR in a Dynamic Spectrum Access Environment
… Defined Radio(SDR) developed by the Center for Wireless Telecommunications (CWT) at Virginia Tech. PSCR can configure itself to interoperate with any public safety waveform it finds during the scan procedure. It also offers users the capability to scan/classify both analog and digital waveforms. …
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The Validity of Using a Geographic Information System's Viewshed Function as a Predictor for the Reception of Line-of-Sight Radio Waves
… LOS frequency that has properties common in the wireless telecommunications industry. We also transmitted at 900 MHz from the same point to provide a comparison of the 27.5 GHz frequency to a non-line-of-sight radio wave.The data was recorded and then entered into the GIS where the visibility …