Digital TV transmission over a test network

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Kulik Ivett
Department of Telecommunications and Media Informatics

The popularity of digital television has increased greatly in the last few years. It has lots of advantages over traditional analogue TV. Its main advantages are, that it offers excellent image and sound quality and interactive services.

One aim of my thesis was to introduce the digital TV transmission technologies, as well as additional services which may be provided by it. To do this I created a laboratory digital TV network, in which the video on demand was allowed. Such networks can be created at home, or in schools and hotels. But the efficient functioning of the created system and the enjoyability of the digital TV broadcast are significantly influenced by the available bandwidth and network failures. Thus, when I tested the system, I analyzed its performance, quality, and fault-tolerant capability.

3D video and television technology will surely be part of our future. Newer films are released daily, which have already been made in this quality. Manufacturers are developing television sets at a great pace which are suitable for 3D representation. Although 3D channels are not yet available for the public, but 3D contents are already here. It’s worth getting acquainted with this new technology, which will be the part of all households in a short time.

Another aim of my thesis was to complement an existing high-bandwidth GPON network in such a way as to be capable of transmitting 3D video streams. After getting acquainted with 3D technologies, I connected a 3D capable display to the GPON network, which after appropriate configuration, I made it possible using client machines to remotely access and view 3D video content. The 3D video watching demands high-bandwidth and faultless network, so I tested the fault-tolerant ability of this system too.


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