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 317 for “"Quality of Service (QoS)"”.
-
Quality of service (QoS) analysis frameworkn for text to speech (TTS) services
Quality of service (QoS) evaluations is significant and necessary for text to speech web service applications. Text to speech media conversion quality measurements has general and specific mechanisms for its functional and nonfunctional requirements. The main objective of this thesis is to …
-
Delivering personalised advertising in IMS-based IPTV through direct marketing
Multimedia applications and communication services are offered to users free of charge over the open Internet. However, since the Internet is a best effort network, these services are not associated with any Quality of Service (QoS) and Quality of Experience (QoE) guarantees. Furthermore, security …
-
Distributed power control (DPC) based energy efficient protocols for wireless networks
… wireless networks since it extends the lifetime of a wireless network and improves quality of service (QoS). Therefore, the overall objective of this dissertation is to develop energy efficient schemes and medium access control (MAC) protocols for wireless networks in the presence of fading …
-
An emission and discard priority scheme for optical burst switched networks
… demands for internet handwidth and better Quality of Service (QoS). This technology provides all optical and high speed switching to overcome the bottleneck of electronic routers in the core network. In this thesis, I describe several critical issues that affect OBS networks. I highlight …
-
Solver for TCP flows in a network
Quality of Service (QOS) of a congested network can be evaluated by some key factors such as packets discarding rate, queueing delay and the throughput of a bottleneck buffer. A network designer needs to predict these parameters in order to dimension a network properly. This thesis developed a …
-
Adaptive Protocols for Reliable Internet Data Transport
… applications, two complementary sets of results are obtained. The first set of results are regarding the Redundancy Estimation Protocol (REP), which provides adaptive error recovery using a forward error control (FEC) scheme in which redundancy rate is adjusted, in an attempt to …
-
Session Management for Accountability in Distributed Multimedia Services
… depend on such applications for personal and professional communications. Although performance is almost always a concern with multimedia systems that must satisfy quality-of-service (QoS) constraints, security is also a major requirement given the increasing criticality of such applications. …
-
Statistical multiplexing and connection admission control in ATM networks
… technology is widely employed for the transport of network traffic, and has the potential to be the base technology for the next generation of global communications. Connection Admission Control (CAC) is the effective traffic control mechanism which is necessary in ATM networks in order to avoid …
-
Towards a scalable video interactivity solution over the IMS
… and the interactive and scalability features of the Internet provide a precedent for a converged platform that will support interactive television. Next Generation Network platforms such as the IP Multimedia Subsystem (IMS) support Quality of Service (QoS), fair charging and possible …
-
Multi-stage queuing with iterative probabilistic scheduling of IP traffic for QoS provisioning
… are packet processing functions which provide quality of service (QoS) at the first level of the QoS architecture where routers reside. With the continued increase in network speed, queuing and scheduling of traffic needs to be performed at higher speed. In addition, processing co-existing IP …
-
Resource Allocation in Mobile and Wireless Networks
… networks. Previous research has shown that the quality of service (QoS) of the mobile client can be improved through efficient resources management. This thesis contains two areas of research that are strongly interrelated. In the first area of research, we extended the MoSync Algorithm, a …
-
Developing an SDWN Architecture for Wireless Network Engineering to Support a Quality of Experience Aware Handover
The massive growth of data consumption and the variety of wireless technology emergence has made the handover (HO) an attractive research topic nowadays, mainly due to the popularity of Wireless Local Area Networks (WLANs), which allow users to reach high-speed data communication while they are in …
-
A calculus for stochastic QoS analysis and its application to conformance study
With the advent of the Internet, there is a proliferation of multimedia applications which need Quality of Service (QoS) guarantees. Many schemes have been proposed for QoS provisioning in computer networks. It is important to evaluate the performance of these QoS provisioning schemes. In this …
-
A quality of service architecture for WLAN-wired networks to enhance multimedia support
The use of WLAN for the provision of IP multimedia services faces a number of challenges which include quality of service (QoS). Because WLAN users access multimedia services usually over a wired backbone, attention must be paid to QoS over the integrated WLAN-wired network. This research focuses …
-
Analysis of ATM Call Detail Records and Recommendations for Standards
… operation, and management. Equipment vendors often provide good information for traffic management and control and associated tools, but this information and the tools are based on independent, individual switches or routers rather than the whole network. There is a critical need for tools to …
-
An Economic Model of Subscriber Offloading Between Mobile Network Operators and a WLAN Operator
… networks. Small-scale operators (SSOs) of WLANs are becoming more prevalent, while Mobile Network Operators (MNOs) seek an outlet for their customers' data usage. These conditions prompt the need for an effective relationship between the two parties for the purpose of offloading cellular …
-
Predicting Policy Violations in Policy Based Proactive Systems Management
… and advancement in networking, computing, software and web technologies have led to an explosive growth in distributed systems. To ensure better quality of service (QoS), management of large scale distributed systems is important. The increasing complexity of distributed systems requires …
-
Establishing semantic interoperability, under denied, disconnected, intermittant, and limited telecommunications conditions
… interoperability are explored in this thesis. Of particular interest is the use of the Data Distribution Service (DDS) open standard to integrate the component of any given command and control system working in a denied network environment. The method used for this research includes a review of …
-
A framework for secure applications with QoS
In this thesis we propose a solution to support Quality of Service (QoS) network communication transactions modeled on differentiated services and economic principles. We propose an enhanced user-level negotiation protocol where transactions are accomplished in a secure mode and where resource …
-
Wireless Networks for Communication and Sensing
The purpose of this thesis is to design and analyze the performance of wireless networks used for communication and sensing. In the case of static wireless networks, we study the impact of queue-length-based (QLB) scheduling algorithms on quality of service (QoS) and fairness. In particular, for …
Page 1 of 16