irt_spectrum_portableSpectrum Requirements for Portable and Mobile Digital Terrestrial Television IRT/FM 03. 11. 2000Gerd PetkeDVB-T Spectrum RequirementsFolie: 1Introduction Value of Spectrum (UMTS auctions) 50% of spectrum below 1 GHz used by BC Spectrum efficiency improved by digital systems Introduction of digital systems (DAB, DVB) mandatory Source coding allows for 4-6 TV programmes per TV channel Further improvement by SFN techniques - Minimum number of programmes ? - Amount of spectrum needed? - Can spectrum be released? Limiting factors: acceptance and costs IRT/FM 03. 11. 2000 Gerd Petke DVB-T Spectrum Requirements Folie: 2Frequency Basis Band I (limited Usage) Band III (K11, K12, Core band for T-DAB) Band IV/V (Channel 38, Radioastronomy) Channels above 60 3 Channels 8 Cha……
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