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 507 for “"QoS"”.
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QoS provisioning in multimedia streaming
… movies on demand. Providing Quality of Service (QoS) for multimedia streaming has been a difficult and challenging problem. When multimedia traffic is transported over a network, video traffic, though usually compressed/encoded for bandwidth reduction, still consumes most of the bandwidth. In …
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QoS Management in Packet Cellular Networks
We identify the unique characteristics of shared wireless channels and investigate the fairness properties that can be achieved by the class of multiple access wireless MAC protocols in shared-channel wireless networks in general, and ad hoc networks in particular. We propose our general mechanism …
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A framework for secure applications with QoS
… 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 allocations are simple …
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QoS constrained cellular ad hoc augmented networks
… design criteria, three novel quality of service (QoS) constrained cellular ad hoc augmented network (CAHAN) architectures are proposed for next generation wireless networks. The CAHAN architectures have a hybrid architecture, in which each MT of CDMA cellular networks has ad hoc communication …
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QoS assurance with colocated wireless access points
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.
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Dynamic QoS resource allocation in Bluetooth piconet
Thesis (M.Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2001.
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Gerenciamento integrado de QoS em redes de computadores
… para o fornecimento de qualidade de serviço (QoS) faz com que a gerência de redes se torne ainda mais complexa, e neste cenário as soluções tradicionais de gerenciamento podem falhar. O gerenciamento de redes com QoS vem sendo investigado por diversos grupos, e soluções comerciais para o …
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Performance Analysis of Wireless Networks with QoS Adaptations
… requiring different qualities of service (QoS). In this thesis, several efficient algorithms have been developed which offer several QoS to the end-user. We first look at a request TDMA/CDMA protocol for supporting wireless multimedia traffic, where CDMA is laid over TDMA. Then we look at a …
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Wireless Throughput and Energy Efficiency under QoS Constraints
… traffic requires certain quality-of-service (QoS) guarantees.</p> <p>With these motivations, in the first part of the thesis, throughput and energy efficiency in fading channels are studied in the presence of randomly arriving data and statistical queueing constraints. In particular, Markovian …
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QoS Contract Negotiation in Distributed Component-Based Software
… with non-functional properties (NFPs) like QoS (e.g. throughput, response time). The integration of QoS into component infrastructure requires among other things the support of components’ QoS contract specification, negotiation, adaptation, etc. This thesis focuses on contract negotiation. …
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Providing guaranteed QoS in the hose-modeled VPN
… the bandwidth and buffers are reserved, the QoS requirements can be naturally guaranteed. In the past few years, layer 3 VPN technologies are widely deployed due to the desirable performance in terms of flexibility, scalability and simplicity. Layer 3 VPNs are built upon IP tunnels, e.g., by …
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A QoS-Aware Web Service Client Framework for GUISET
… is a challenge. Quality of Service (QoS) is becoming an important criterion for differentiating Web services that offer similar functionality. However, the current SOA environment does not support QoS. This is because the discovery mechanism of the current SOA environment only …
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QoS and trust prediction framework for composed distributed systems
… propose a comprehensive framework to predict the QoS and trust (i.e, the degree of compliance of a service to its specification) values of composed distributed systems created out of existing quality-aware services. We improve the accuracy of the predictions by building context-aware models and …
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QoS Based Service Selection and Provisioning in Cloud Computing
… systematically represent the quality of service (QoS) attributes of cloud services that cover both technical and non-technical aspects of cloud computing. The new model succinctly represents QoS attributes which cloud consumers can easily use and understand when selecting cloud services. The …
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QoS Provisioning for Multi-Class Traffic in Wireless Networks
… the difficulty of providing Quality of Service (QoS) guarantees in wireless networks. There is a growing demand for wireless networks to support all the services that are available on wired networks. These diverse services, such as email, instant messaging, web browsing, video conferencing, …
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Enhancing QoS provisioning and granularity in next generation internet
… and deployed, and demand Quality of Service (QoS) support from the Internet, in addition to the current best effort service. Therefore, QoS provisioning techniques in the Internet to guarantee some specific QoS parameters are more a requirement than a desire. Due to the large amount of data …
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