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 “"mobile environment"”.
-
Spectrally Modulated Spectrally Encoded Framework Based Cognitive Radio in Mobile Environment
… interference (ICI) in high mobility environments. Current research work in cognitive radio has not sufficiently considered and addressed this issue yet. Hence, it is highly desired to study the effect of mobility on CR communication systems and how to improve the performance through …
-
Thor: The Hybrid Online Repository
… delegated to a secure credential repository. A mobile environment creates significant challenges for secure repositories. We examine these challenges with respect to existing repository practices and produce a set of requirements that a repository must meet in order to cope with the harshness of …
-
Elektroninių paslaugų perkėlimo į mobiliąją aplinką situacija ir perspektyvos tyrimas /
… via various services delivery channels. Mobile technologies are one of the most accessible channels. Exactly of this reason there upraised the possibility and even more necessity to transfer some e-government services to the new level – mobile government which supplements but not replace …
-
Mobility as an Element of Learning Styles: The Effect its Inclusion or Exculsion has on Student Performance in the Standardized Testing Environment
… between mobility and the standardized testing environment. The project focused on nine students who had a pronounced need for movement while learning and/or being tested. The study was conducted to determine whether the achievement scores of these nine students would be influenced by the denial …
-
Multirobot Tethering for Localization and Control
… the low confidence estimates produced in certain environments, a multirobot system is designed to introduce mobile environment features. By tracking and controlling the secondary robot, we can position the mobile feature throughout the environment to ensure a high confidence estimate, thus …
-
Is IPv6 a Better Choice to Handle Mobility in Wireless Sensor Networks?
… the pattern that the higher the speed of the mobile node, the worse the network performance. The conclusion is that the current RPL routing protocol and standard can only be used in a mobile network environment with low speed mobility. Suggestions on how to modify and improve RPL to be used in …
-
Connection Robustness for Wireless Moving Networks Using Transport Layer Multi-homing
… transport-layer connections in a heterogeneous mobile environment. This is particularly true in the case of mobile networks with multiple vertical handovers. In this thesis, issues and challenges in mobility management for mobile terminals in such a scenario are addressed, and a number of …
-
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 …
-
Location-based mobile E-commerce for tourist services
… to only subscribers of those services. For mobile users who are not subscribers this may be unfair, especially if a mobile user is new in that environment, as he or she remains unaware of services that are available. This research proposes a dynamic service discovery mechanism whereby every …
-
Cloud computing and context-awareness: A study of the adapted user experience
Today, mobile technology is part of everyday life and activities and the mobile ecosystems are blossoming, with smartphones and tablets being the major growth drivers. The mobile phones are no longer just another device, we rely on their capabilities in work and in private. We look to our mobile …
-
Mobile Food Ordering System (MFOS)
Mobile devices and wireless technologies are making a large impact on our lives. Especially mobile devices have been widely used in the last few years, and recent developments in wireless technologies have provided some new solutions to modes of connectivity. In recent times, there have been …
-
Distilling Mobile Privacy Requirements from Qualitative Data
As mobile computing applications have become commonplace, it is increasingly important for them to address end-users' privacy requirements. Mobile privacy requirements depend on a number of contextual socio-cultural factors to which mobility adds another level of contextual variation. However, …
-
Overcoming middleware heterogeneity in mobile computing applications
… advances have fuelled the popularity of mobile computing. Mobile devices such as smart phones and personal digital assistants are becoming more commonly used due to the reduction in their size and increase of computational power. In addition, wireless network hotspots (in airports, hotels …
-
Satellite multiple access protocols for land mobile terminals. A study of the multiple access environment for land mobile satellite terminals, including the design analysis and simulation of a suitable protocol and the evaluation of its performance in a U.K. system.
… of multiple access schemes for satellite land mobile systems that provide a domestic or regional service to a large number of small terminals. Three orbit options are studied, namely the geostationary, elliptical (Molniya) and inclined circular orbits. These are investigated for various mobile …
-
Exploiting user contention to optimize proactive resource allocation in future networks
… seamless connectivity is now required in all environments including highly mobile networks. By using vertical handover techniques it is possible to provide uninterrupted communication as connections are dynamically switched between wireless networks as users move around. However, in a highly …
-
Design of multi-homing architecture for mobile hosts
This thesis proposes a new multi-homing mobile architecture for future heterogeneous network environment. First, a new multi-homed mobile architecture called Multi Network Switching enabled Mobile IPv6 (MNS-MIP6) is proposed which enables a Mobile Node (MN) having multiple communication paths …
-
Contextual mobile adaptation
… it should, ideally, be as dynamic as the environment in which it operates. Changes in user requirements, contexts of use and system resources mean software should also adapt to better support these changes. An area in which adaptation is clearly lacking is in ubicomp systems, especially …
-
High-Quality Detection in Heavy-Traffic Avionic Communication System Using Interference Cancellation Techniques
… system operating in a heavy-traffic aeronautical mobile environment and proposes advanced interference cancellation techniques to mitigate the interference. The dissertation consists of two parts. The first part of the work investigates the use of a visualization method to quantify and …
-
Collaborative Computing Cloud: Architecture and Management Platform
… multiply-connected, energy-rich stationary and mobile nodes, which will make available a massive pool of computing and communication resources. We claim that cloud computing can provide resilient on-demand computing, and more effective and efficient utilization of potentially infinite array of …
-
Towards a digital tool for monitoring and reporting mobile victimisation among South African high school students
Mobile victimisation is one form of cyber aggression that is increasing and affecting many young people in the developing world today. However, the focus on mobile victimisation in developing nations is limited. There is also limited theoretical work to enhance the conceptualisation of mobile …