An Experimental Evaluation Of Analog TV Cable Services Distributed In GPON Architecture
This work addresses the practical deployment of analog TV in modern telecom networks for service providers, but it is incremental as it applies existing methods to a new data context.
The paper evaluates the performance of analog TV services delivered over GPON architecture, measuring signal levels and S/N ratios for all channels using open-source tools and a TV tuner board, with results applicable to digital DVB-C channels as well.
This paper explores the benefits of GPON (Gigabit Passive Optical Networks) in analog TV services. Analog TV service is still present in the standard triple play distribution architectures, as an effect of unique advantages: simple distribution in an apartment via standard RF splitters, unlimited number of viewing sites, real time behavior by lack of encoding/decoding processes. Of course, the quality is still limited by analogic standards, but the price/performance ratio is unbeatable. The most important parameters characterizing the analog TV performance are described, the network architecture is emphasized. To have a reference, the test architecture is a sub-network of a commercial telecom company. In this case only the quality of TV reception is performed. Using open-source software, and the integrated TV tuner board makes possible to test the levels and S/N ratio for all the analog TV channels of the spectrum. The system opens the possibility to do the same for digital channels in DVB-C standard, with minimal changes.