Digital Terrestrial Television in Australia ITU International Symposium on the Digital Switchover 17 June 2015 1
Digital Terrestrial Television in Australia Contents Television service areas Timetable, DTTB implementation and Analogue Switch Off Digital Terrestrial Television Broadcast Planning in Australia Simulcast Digital Dividend 2
Digital Terrestrial Television in Australia 3
Digital Terrestrial Television in Australia ▌ Television Service Licence / Market Areas 4
Digital Terrestrial Television in Australia ▌ Timetable 5
Digital Terrestrial Television in Australia ▌ System Overview 6
Digital Terrestrial Television in Australia ▌ Single frequency networks GPS Rx GPS GPS Rx 10MHz 1pps Rx 1pps 10MHz 2 10MHz 1pps 1 Link Link Tx Tx Mux 3 Link Link Link propagation time SFN launch delay Maximum_delay Translator delay storage ▌ Conventional SFN “Reproduced with permission from SAI Global Ltd under Licence 1506 - c098” 7
Digital Terrestrial Television in Australia ▌ Single frequency networks Translator No. 2 in SFN GPS Rx GPS 10MHz 1pps Rx 1 10MHz 1pps Mux Link Link VHFTx UHFTx 2 GPS 3 Input stream Rx data-derived MFN 10MHz 1pps UHFTx Translator No. 1 in SFN Link propagation time SFN launch delay Maximum_delay Translator delay storage ▌ MFN FED SFN TRANSMISSION SYSTEM (1 + n) “Reproduced with permission from SAI Global Ltd under Licence 1506 - c098” 8
Digital Terrestrial Television in Australia ▌ Planning parameters and interference threshold limits 9
Digital Terrestrial Television in Australia ▌ Digital Switchover - simulcast 10
Digital Terrestrial Television in Australia ▌ Digital Dividend 11
Digital Terrestrial Television in Australia ▌ Digital Dividend 12
Digital Terrestrial Television in Australia ▌ References [1] ACMA DTTB Planning Handbook [2] ACMA Technical Planning Guidelines [3] Recommendation ITU-R BT.1368 Planning criteria, including protection ratios, for digital terrestrial television services in the VHF/UHF bands [4] Recommendation ITU-R BT.1735 Methods for objective reception quality assessment of digital terrestrial television broadcasting signals of System B specified in Recommendation ITU-R BT.1306 [5] Report ITU-R BT.2140 Transition from analogue to digital terrestrial broadcasting [6] AS4599 Digital television - Terrestrial broadcasting - Characteristics of digital terrestrial television transmissions, Standards Australia [7] Draft Implementation of Digital Terrestrial Television Broadcasting - Case Study – Australia, an ITU Development Sector publication 13
Digital Terrestrial Television in Australia
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