Prof. Xian Xu Profile

Prof. Xian Xu

at Huazhong Univ of Science and Technology

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Proceedings Article | 19 November 2007 Paper

A novel IPTV program multiplex access system to EPON

Xian Xu, Deming Liu, Wei He, Xi Lu

Proceedings Volume 6784, 67843W (2007) https://doi.org/10.1117/12.745458

KEYWORDS: Multiplexing, Switches, Transformers, Human-machine interfaces, Passive optical networks, Video, Network architectures, Statistical analysis, Control systems, Lutetium

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With the rapid development of high speed networks, such as Ethernet Passive Optical Network (EPON), traffic patterns in access networks have evolved from traditional text-oriented service to the mixed text-, voice- and video- based services, leading to so called "Triple Play". For supporting IPTV service in EPON access network infrastructure, in this article we propose a novel IPTV program multiplex access system to EPON, which enables multiple IPTV program source servers to seamlessly access to IPTV service access port of optical line terminal (OLT) in EPON. There are two multiplex schemes, namely static multiplex scheme and dynamic multiplex scheme, in implementing the program multiplexing. Static multiplex scheme is to multiplex all the IPTV programs and forward them to the OLT, regardless of the need of end-users. While dynamic multiplex scheme can dynamically multiplex and forward IPTV programs according to what the end-users actually demand and those watched by no end-user would not be multiplexed. By comparing these two schemes, a reduced traffic of EPON can be achieved by using dynamic multiplex scheme, especially when most end-users are watching the same few IPTV programs. Both schemes are implemented in our system, with their hardware and software designs described.

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