Abstract
The growing rivalry mainly in search of the audience in today’s TV broadcasting industry has made the real-time gathering of latest national and international developments through contribution link, the most critical part. The communication among field staff/reporter and head office is through the cellular system. In areas with no mobile coverage, it is almost impossible to stay in touch and very difficult to share the latest updates. In this paper, a detailed study of Digital Video Broadcast- second generation Satellite (DVB-S2) standard used in DSNG (Digital Satellite News Gathering) link is carried out for the feasibility of two ways communication with the digital television broadcast. We have used communication system toolbox in MATLAB Simulink to implement our model. We created the system according to the DVB-S2 standard and also used RF Satellite channel instead of AWGN (Adaptive White Gaussian Noise) channel. Simulation results show that communication signal can be transmitted with digital video television broadcast in DVB-S2 baseband frame.
Highlights
In the digital television industry about 200 principle companies in technology, software development, and manufacturing, in co-ordination with broadcasters, network operators and regulators formed an association which is dedicated to produce open and flexible specifications standards through international standard bodies like European Committee for Electrotechnical Standardization (CENELEC) or European Telecommunication Standard Institute (ETSI) [1]
Digital Video Broadcasting-Satellite (DVB-S) standard define the parameters for the transmission of digital television broadcast signal through satellite
With DVBS2 a performance improvement of 30 % is achieved as compared with DVB-S while maintaining the same power and satellite bandwidth
Summary
DVBS ( after refer as System) defines the Forward Error Correction (FEC), Modulation, Channel Coding and roll off factor for Broadcast Service via Satellite known as BSS and fixed satellite [2] services bands. This standard is premeditated to deliver TV broadcast to headend stations, Direct to Home (DTH) signal, and Satellite Master Antenna Television-SMATV. Moving Picture Expert Group Forward Error Correction Low-Density Parity Check Adaptive White Gaussian Noise Quadrature Phase Shift Keying Variable Coding and Modulation Central News Room Transport Stream Very Small Aperture Terminal Time Division Multiplex Frequency Division Multiplex Power Spectral Density digital video broadcast signal.
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