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 24 for “"Wireless internet"”.
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Fountain codes for the wireless Internet
… Foutain codes are proposed for transmission over wireless channels. The thesis concentrates on a specific version of Fountain codes, namely on Luby transform codes. More specifically, we consider their concatenation with classic error correction codes, yielding schemes, such as the concatenated …
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Guaranteed service management in mobile wireless Internet
The ubiquity of the mobile wireless Internet has led to the increased use of reatime applications. Real-time applications are network resources hungry and propagation delay sensitive. These applications need service guarantees if they are to be acommodated on the mobile wireless Internet. It is, …
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Handoff management in the mobile wireless Internet
The large number ofnodes in wireless networks and the fact that mobility is an important feature of a wireless system has made it a great challenge to sustain ongoing connections during handoff events. Real-time applications (e.g., Voice-Over-IP (VoIP), Video-Ondemand, and streaming) require little …
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Low-cost Wireless Internet System for Rural India using Geosynchronous Satellite in an Inclined Orbit
Providing affordable Internet access to rural populations in large developing countries to aid economic and social progress, using various non-conventional techniques has been a topic of active research recently. The main obstacle in providing fiber-optic based terrestrial Internet links to remote …
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Exploratory study of the impact of Information and Communication Technology (ICT)-based features in conference center selection/recommendation by meeting planners
… for a conference center selection: 1) high-speed wireless Internet; 2) network backbone; and 3) ICT-based service outlet. Specifically, high-speed wireless Internet was the most important ICT-based determinant of a conference center selection/recommendation to all types of meeting planners. Due to …
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A Combined WiMAX/DSRC Approach to Vehicular Networking
From wireless Internet access at cafes to the expanding popularity of smart phones, ubiquitous Internet access has generated much public demand and research. Supplying broadband Internet access for in-vehicle applications is a research area still in its infancy. This thesis examines the strengths …
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Algorithms for channel impairment mitigation in broadband wireless communications
Broadband wireless communications has been well recognized as one of the most potential strategies to integrate various high-data-rate and quality communication applications such as high-speed wireless internet, broadcasting and mobile communication services under a common system infrastructure. To …
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How walking forward influences people's emotional response to and memory for stimuli viewed on a mobile phone
… percentage of mobile phone ownership and wireless Internet access, our engagement with media has become more and more mobile. We commonly see people using their cell-phones when they are walking on the street, riding on a bus, or even driving in a car. However, we don’t know whether or …
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Cross-layer RaCM design for vertically integrated wireless networks
Wireless local and metropolitan area network (WLAN/WMAN) technologies, more specifically IEEE 802.11 (or wireless fidelity, WiFi) and IEEE 802.16 (or wireless interoperability for microwave access, WiMAX), are well-suited to enterprise networking since wireless offers the advantages of rapid …
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Adaptive, Turbo-coded OFDM
Wireless technologies, such as satellite, cellular, and wireless internet are now commercially driven by ever more demanding consumers, who are ready for seamless integration of communication networks from the home to the car, and into the office. There is a growing need to quickly transmit …
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Advanced Site-Specific Propagation Prediction Techniques
… in the context of current trends in the wireless industry. The first half of the report is dedicated to measuring and modeling continuous wave (CW) local-area path loss. Specifically, the text uses examples from a 5.85 GHz CW measurement campaign in and around suburban homes. Not only do …
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A hardware testbed for measuring IEEE 802.11g DCF performance
… a more realistic workload model representing wireless Internet traffic. Producing a stochastic model for such a workload was a challenging task, as usage patterns change significantly between users and over time.
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Mobile collaborative working environment of product design
In response to the arrival of new Web/Internet environments, one of the most attractive challenges in current research is to exploit wireless computing technologies in collaborative product design, and hence to build a ubiquitous mobile information system to enable the collaborative product design …
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Digital boundaries: A study into how mobile devices and information + communication technologies can influence the social programming, spatial conditions and construction of public architecture
… the urban environment purely to be connected to wireless internet through their mobile devices. This is done so that they are able to do research for studies, look for job opportunities or socialise. This digital infrastructure then becomes an important aspect of the public realm, not only for …
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Strategies and scenarios for wireless information systems
This thesis investigates the emerging market for wireless information services caused by the convergence of Internet, information and telecommunication technologies. Portals and content and application providers are now entering a market previously controlled and dominated by the wireless network …
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Technology outreach programs : their impact on middle-school students and their families from underserved communities
… participants‟ lack of use of the dial-up Internet service provided cost-free for a year, and perceptions that the computers provided by the program were outdated and thus not fully functional were factors which seemed to have undermined the program‟s impact on digital equity. Additionally, …
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The impact of the TV white space unlicensed spectrum on the wireless industry competition
… as white spaces, represent a new opportunity for wireless networks, offering the potential for more unlicensed bandwidth and long transmission ranges. This thesis aims to throw light on the real potential of the newly released spectrum TV white space (TVWS) to enhance unlicensed networks features …
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Novel multiuser detection and multi-rate schemes for multi-carrier CDMA
A large variety of services is [sic] expected for wireless systems, in particular, high data rate services, such as wireless Internet access. Users with different data rates and quality of service (QoS) requirements must be accommodated. A suitable multiple access scheme is key to enabling wireless …
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A novel low-temperature growth method of silicon structures and application in flash memory.
… gadgets and the more features they offer – wireless internet, touch screen, video capabilities. The increase in the density of flash memory devices over the years has come as a result of continuous memory cell-size reduction. This size scaling is however approaching a dead end and it is …
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