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 53 for “"Mobile systems"”.
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Indoor place classification for intelligent mobile systems
… significant challenge to the current intelligent mobile systems which are more likely to be operating in absolute coordinate systems, and hence unaware of the semantic labels. Aimed at filling this gap, the objective of the research is to develop an approach for intelligent mobile systems to …
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Adapting mobile systems using logical mobility primitives
Mobile computing devices, such as personal digital assistants and mobile phones, are becoming increasingly popular, smaller, more capable and even fashionable personal items. Combined with the recent advent of wireless networking techniques, users are equipped with mobile devices of significant …
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Application-Aware Scheduling Architectures for Mobile Systems
Architects of mobile systems have long optimized schedulers for platform-level objectives, such as system throughput or operating cost. However, these objectives could be at odds with performance indicators that applications or users of the platform might care about. This thesis proposes two-tiered …
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ATTACKS AND COUNTERMEASURES FOR WEBVIEW ON MOBILE SYSTEMS
<p>ABSTRACT</p> <p>All the mainstream mobile operating systems provide a web container, called ``WebView''. This Web-based interface can be included as part of the mobile application to retrieve and display web contents from remote servers. WebView not only provides the same functionalities as web …
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Enabling Context-Awareness in Mobile Systems via Multi-Modal Sensing
… rich sensors on modern smartphones has changed mobile phones from simple communication devices to powerful human-centric sensing platforms. Similar trends are influencing other personal gadgets such as the tablets, cameras, and wearable devices like the Google glass. Together, these sensors can …
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Persuasive Mobile Systems Design to Help People be Physically Active
… questions related to the application of mobile persuasive technologies to real-life problems, including: Are mobile technologies able to persuade people to a more physically active lifestyle? Are currently available systems actually effective? How can user experience design be improved in …
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Provable and practical location privacy for vehicular and mobile systems
… rapid evolution of location-based vehicular and mobile services (e.g., electronic tolling, congestion pricing, traffic statistics, insurance pricing, location-based social applications), which promise tremendous benefits to users. Unfortunately, most such systems pose a serious threat to the …
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Discrete Linear Constrained Multivariate Optimization for Power Sources of Mobile Systems
… Two energy sources are mainly available for mobile applications; batteries and fuel cells. Batteries are a relatively cheap, tested technology with good performance under varying loads. On the other hand, fuel cells offer fast and easy refueling solutions. Furthermore, preliminary studies …
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Management of telecommunication systems design and development : learning from disruptive innovations in 3G mobile systems
Disruptive innovations in network systems are forcing mobile carriers to manage difficult network software development. Within the limited development time, mobile carriers are required to develop large scale, high quality and robust network software, and accomplish smooth transition/upgrading. In …
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A Network System Level Simulator for Investigating the Interworking of Wireless LAN and 3G Mobile Systems
… convergence of wireless LAN (WLAN) and cellular systems in order to achieve the IMT-2000 (3G) requirement for 2 Mbps indoor capacities. The WLAN access point can be enhanced to either incorporate or supplant the transmission and packet data capabilities in the cellular network. This research used …
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State estimation for autonomous mobile systems: Multi-IMU self-calibration and localization using 3D Gaussian splatting maps
The autonomous operation of modern autonomous mobile systems requires accurate state estimation from sensors to determine the agent's state, its surrounding environment, or both. For such sensor-based tasks to succeed, it is crucial to properly estimate and correct the parameters modeling the …
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Securing against fraud in mobile communications : system design and development in 3G mobile networks
… integrity, and reliability of telecommunications systems. Authorized network access prevents fraudulent communications and maintains the availability of the systems. However, limited development time, cost reduction pressure and requirement for high reliability in software development have forced …
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Wideband Compact Antennas for Wireless Communication Applications
… are the desired characteristics of antennas in mobile systems. This dissertation presents a comprehensive analysis of a new wide-bandwidth compact antenna, called WC J-pole antenna, covering 50 % impedance fractional bandwidth. A set of guidelines is also provided for a bandwidth-optimized …
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User evaluations of IT in healthcare : a case study of perceived fit of a health management information system
Mobile systems are increasingly growing in developing countries and have been a key interest for organisations looking to make scalable solutions for the developing world-context. For the HIV/AIDS healthcare sector, this interest has seen great investment in healthcare systems augmented by mobile …
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A methodology for evaluating and reducing rotor losses, heating, and operational limitations of high-speed flywheel batteries
… mounted on the flywheel rotor. For mobile systems in particular, it is important to maximize the stored energy while minimizing the mass and volume of the flywheel battery. This requirement leads to the use of high rotational speeds which in turn necessitates the use of composite …
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Template-based hardware-software codesign for high-performance embedded numerical accelerators
… and create new capabilities in embedded and mobile systems. Traditional implementation approaches are not well suited for porting these algorithmic solutions into practical implementations within embedded system constraints. Most of the technical challenges arise from design approach that …
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Magellan : a robust executive enabling long horizon multi-agent campaigns
Autonomous mobile systems are being tasked to perform increasingly complex missions. These campaigns frequently involve the coordination of agents with continuous dynamics to achieve multiple goals over long horizons and often occur in hazardous environments that can change unpredictably. Campaigns …
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On the performance and capacity of space-time block coded multicarrier CDMA communication systems
Future wireless mobile systems are required to transport multimedia traffics at much higher bit rates and this motivates the author to work on the suitable candidate technology, space-time block coded (STBC) multicarrier (MC-) CDMA, for next generation of wireless mobile communication systems. The …
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