Digital Terrestrial Television in Australia ITU International - PowerPoint PPT Presentation

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