Advanced monitoring system for digital cable distribution network

2017 International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET) Pub Date : 2017-03-22 DOI:10.1109/WISPNET.2017.8300035

Nanda Kishora Holla, S. Yellampalli

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Abstract

Modern TV cable signal distribution network system consists of distribution of DVBC signal over optical fibre. Digital signal amplifiers are used in the network to amplify the signal. It is very much essential to have good quality of the digital signal always to get an uninterrupted viewing experience of the TV programs. In an analog TV distribution network, picture will be noisy if the signal strength is poor. However, in digital cable TV signal network, it is very essential to monitor signal parameters like SNR, BER, and modulation index etc. along with the signal strength to view TV programs without any disturbances. Hence it is very much necessary to have advanced monitoring system to analyse the quality of the digital signal periodically. It is also necessary to identify the problems in the distribution network immediately to rectify and to distribute error free TV signal. The proposed solution in this technical paper is useful to monitor the status of digital cable TV signal network and to identify the problems if any immediately to take an appropriate corrective action.

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先进的数字电缆配电网监控系统

现代电视有线信号分配网络系统由DVBC信号在光纤上的分配组成。在网络中使用数字信号放大器来放大信号。为了获得不间断的电视节目观看体验，始终保持良好的数字信号质量是非常必要的。在模拟电视分配网络中，如果信号强度较差，图像会产生噪声。然而，在数字有线电视信号网络中，监控信号的信噪比、BER、调制指数等参数以及信号强度，以保证不受干扰地观看电视节目是非常必要的。因此，有先进的监测系统对数字信号进行周期性的质量分析是十分必要的。及时发现配电网中存在的问题，及时进行整改，实现无差错电视信号的分发。本文提出的解决方案有助于监测数字有线电视信号网络的状态，并在发现问题时立即采取适当的纠正措施。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2017 International Conference on Wireless Communications, Signal Processing and Networking (WiSPNET)

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