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Links demonstrating the digital video broadcasting (DVB) and advanced television systems
committee (ATSC) communications links.
Part of the ETSI (European Telecommunications Standards Institute) EN 300 429 standard for cable system transmission of digital television signals [ 1]. The example uses communications System objects™ to simulate the Digital Video Broadcasting - Cable (DVB-C) transmitter-receiver chain.
The application of low density parity check (LDPC) codes in the second generation Digital Video Broadcasting standard (DVB-S.2), which is deployed by DIRECTV in the United States. The example uses communications System objects to simulate a transmitter-receiver chain that includes LDPC encoding and decoding.
The vestigial sideband modulation with 8 discrete amplitude levels (8-VSB) transmission subsystem of the Advanced Television Systems Committee (ATSC) digital television standard [ 1 ]. The standard describes the characteristics of the U.S. advanced television system that is designed to transmit high-quality video, audio, and ancillary data within a single 6 MHz terrestrial television broadcast channel.
Part of the ETSI (European Telecommunications Standards Institute) EN 300 429 standard for cable system transmission of digital television signals . The standard prescribes the transmitter design and sets minimum performance requirements for the receiver.
Part of the ETSI (European Telecommunications Standards Institute) EN 300 744 standard for terrestrial transmission of digital television signals. The standard prescribes the transmitter design and sets minimum performance requirements for the receiver.
The state-of-the-art channel coding scheme used in the second generation Digital Video Broadcasting standard (DVB-S.2), planned to be deployed by DIRECTV in the United States. The coding scheme is based on concatenation of LDPC (Low-Density Parity-Check) and BCH codes. LDPC codes, invented by Gallager in his seminal doctoral thesis in 1960, can achieve extremely low error rates near channel capacity by using a low-complexity iterative decoding algorithm. The outer BCH codes are used to correct sporadic errors made by the LDPC decoder.
Use a GPU-based LDPC Decoder System object™ to increase the speed of a communications system simulation. This example illustrates the performance increase by modeling part of the ETSI (European Telecommunications Standards Institute) EN 302 307 standard for Broadcasting, Interactive Services, News Gathering and other broadband satellite applications (DVB-S.2) [ 1]. For further information on using System objects to simulate the DVB-S.2 system see this example. You must have a Parallel Computing Toolbox™ user license to use the GPU-based LDPC Decoder.
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