Quality-of-Service Provisioning and Resource Reservation Mechanisms for Mobile Wireless Networks Page: 2
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Jayaram, Rajeev. Quality-of-Service Provisioning and Resource Reservation
Mechanisms for Wireless Networks. Master of Science (Computer Science), August
1998, 72 pp, 2 tables, 22 illustrations, bibliography, 45 titles.
The advent of powerful hand-held computers and the desire for communication on
the move, are the driving forces behind an emerging technology called Mobile Com-
puting. Today, mobile computing users are being provided with applications such
as electronic mail and calendar/diary programs. Observing the growing demands of
roaming users, it is predicted by the mobile computing research community that the
next generation wireless networks will be burdened with bandwidth-intensive traffic
generated by personal multimedia applications such as web browsing and traveler
information systems. However, the available bandwidth for supporting these ap-
plications is rather limited, and proper management of the bandwidth is necessary
to accommodate the envisaged high-bandwidth applications. For multimedia traf-
fic (voice, video, and text) to be supported successfully, it is necessary to provide
Quality-of-Service (QoS) provisioning between the end-systems.
In this thesis, a framework for QoS provisioning in next generation wireless ac-
cess networks is proposed. The framework aims at providing a differentiated service
treatment to real-time (delay-sensitive) and non-real-time (delay-tolerant) multime-
dia traffic flows at the link layer. Novel techniques such as bandwidth compaction,
channel reservation, and channel degradation are proposed. Using these techniques,
we develop a call admission control algorithm and a call control block as part of the
The performance of the framework is captured through analytical modeling and
simulation experiments. By analytical modeling, the average carried traffic and the
worst case buffer requirements for real-time and non-real-time calls are estimated.
Simulation results show a 21% improvement in call admission probability of real-time
calls, and a 17% improvement for non-real-time calls, when bandwidth compaction
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Jayaram, Rajeev, 1971-. Quality-of-Service Provisioning and Resource Reservation Mechanisms for Mobile Wireless Networks, thesis, August 1998; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc278542/m1/2/: accessed April 22, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; .