Al-Omari, Saleh Ali Khattap
(2013)
Video On Demand System For Heterogeneous
Wireless Mobile Networks.
PhD thesis, Universiti Sains Malaysia.
Abstract
In recent years, the services of the Video on Demand (VOD) system have taken place
with the improvement of the high-speed networking and enhancement of the digital
video technology. The VOD system allows users to select their desired videos from a
remote server, so that they can watch them instantly anytime and anywhere through
public communication networks. Currently the challenge of the VOD system is to
provide a seamless video access to different type of devices with a small service
delay in the existing heterogeneous network environments, such as WIMAX network.
There are many issues need to be tackled in designing a VOD system including the
system architectures, broadcasting techniques, caching techniques, transitions
between different networks, and heterogeneous mobile devices. This thesis presents a
new system architecture called Video on Demand system architecture for
Heterogeneous Mobile Network (VODHMN) environment. This system architecture
supports VOD services for heterogeneous devices with a different capability through
different networks with a limited broadcasting bandwidth. The VODHMN system
architecture introduces two new components that are consist of Local Media
Forwarder (LMF) and Global Media Forwarder (GMF) components as compared to
the existing architecture. Both of these components can cope with the wireless
environment in term of connectivity.
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