Comparison of ATSC 8-VSB and DVB-T COFDM DTTB Systems
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This paper compares the performances of the ATSC 8-VSB and the DVB-T COFDM modulation systems for DTTB (Digital Television Terrestrial Broadcasting). A general system level comparison is presented first, followed by the comparison of the most recent laboratory test results. Then a calculated performance comparison of 8-VSB and COFDM based on 6MHz channel spacing is provided. Finally, a short performance and implementation analysis for the two modulation systems under different network infrastructures is presented.
Abstract
This paper compares the performances of the ATSC 8-VSB and the DVB-T COFDM modulation systems for DTTB (Digital Television Terrestrial Broadcasting). A general system level comparison is presented first, followed by the comparison of the most recent laboratory test results. Then a calculated performance comparison of 8-VSB and COFDM based on 6MHz channel spacing is provided. Finally, a short performance and implementation analysis for the two modulation systems under different network infrastructures is presented.