Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: ITU-R BT.2383-3 : 2021
• Năm ban hành / Publication date: 2001
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Typical frequency sharing characteristics for digital terrestrial television broadcasting systems in the frequency band 470-862 MHz
• Phạm vi áp dụng / Scope of standard: Policy on Intellectual Property Right (IPR) 1 Introduction 2 Broadcasting coverage area and service area planning 3 Definition of reception location probability 4 Broadcasting protection criteria 5 Quality of service requirements 6 Assessment of interference impact on the broadcast coverage 6.1 Introduction 6.2 Standard Broadcast Planning Practise 7 DVB-T and DVB-T2 reference broadcasting networks 7.1 Single transmitter case (assignments) 7.1.1 Vertical radiation patterns 7.2 Out of band mask 7.3 Single frequency networks (Allotments) (GE06) 7.3.1 Reference network 1 (large service-area SFN) 7.3.2 Reference network 2 (small service area SFN, dense SFN) 7.3.3 Reference network 3 (small service area SFN for urban environment) 8 ATSC Reference broadcasting networks 8.1 DTTB System A (ATSC) single transmitter 8.1.1 Vertical radiation pattern 9 ISDB-T Reference broadcasting networks 9.1 DTTB System C (ISDB-T) single transmitter 9.2 Vertical radiation pattern10 DTMB Reference broadcasting networks 10.1 Single transmitter case (Assignments)11 DTTB reception modes 11.1 Fixed reception 11.1.1 Fixed antenna radiation pattern 11.1.2 Antenna gain 11.1.3 Feeder loss 11.1.4 Location probability for fixed reception 11.1.5 Polarization discrimination for fixed reception 11.2 Portable DTTB reception(GE06) 11.2.1 Considerations on height loss 11.2.2 Building entry loss 11.2.3 Antenna gain for portable reception 11.2.4 Location probability for portable reception 11.2.5 Polarization discrimination for portable reception 11.3 Reference planning configurations for DVB-T and DVB-T2 (GE06)11.4 Interpolation of reference field strength values (GE06)12 System parameters for DTTB Systems12.1 System parameters related to DVB-T (8 MHz)12.1.1 General parameters12.1.2 Carrier-to-noise ratio12.1.3 Minimum field strength at 650 MHz12.1.4 Link budgets12.1.5 Protection ratios and overload threshold for interference from other services12.2 System parameters related to DVB-T2 (8 MHz)12.2.1 General parameters12.2.2 Carrier-to-noise ratio12.2.3 Minimum field strength at 650 MHz12.2.5 Protection ratios and overload threshold for interference from other services12.3 System parameters related to ATSC (6 MHz)12.3.1 General UHF parameters12.3.2 Carrier-to-noise ratio12.3.3 Minimum UHF field strength12.3.4 Protection ratios12.4 System parameters and protection requirements related to ISDB-T (6 MHz/8 MHz)12.4.1 General parameters12.4.2 Carrier-to-noise ratio12.4.3 Minimum field strength at 600 MHz12.4.5 Protection ratios and overload threshold for interference from other services12.5 System parameters and protection requirements related to DTMB (8 MHz)12.5.1 General parameters12.5.2 Carrier-to-noise ratio12.5.3 Minimum field strength at 700 MHz12.5.4 Protection ratios and overload threshold for interference from other services12.6 Correction of protection ratio figures for different ACLR values13 Propagation considerations14 Aggregation of interference15 Comparative evaluations16 Inclusion of noise in interference assessmentsAnnex 1 – List of relevant ITU-R Reports and RecommendationsAnnex 2 – DTTB link budgetsA2.1 DVB-TA2.1.1 DVB-T fixedA2.1.2 DVB-T portable outdoorA2.1.3 DVB-T portable indoor A2.2 DVB-T2 A2.2.1 DVB-T2 fixed A2.2.2 DVB-T2 portable outdoor A2.2.3 DVB-T2 portable indoor A2.3 ISDB-T A2.3.1 ISDB-T fixed