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ATSC Receiver performance
Table of Contents
1. SCOPE AND DOCUMENT STRUCTURE .................................................................................................. 8
1.1 Foreword 8
1.2 Scope 8
1.3 Document Structure 8
2. INFORMATIVE REFERENCES .................................................................................................................. 9
3. SYSTEM OVERVIEW ................................................................................................................................ 9
3.1 Objective 9
3.2 System Block Diagrams 9
4. RECEIVER PERFORMANCE GUIDELINES ............................................................................................ 11
4.1 Sensitivity 11
4.2 Multi-Signal Overload 11
4.3 Phase Noise 12
4.4 Selectivity 12
4.4.1 Co-Channel Rejection 12
4.4.2 First Adjacent Channel Rejection 13
4.4.3 Taboo Channel Rejection 13
4.4.3.1 DTV Interference into DTV 14
4.4.3.2 NTSC Interference into DTV 14
4.4.4 Burst Noise Performance 14
4.5 Multipath 15
4.5.1 Introduction 15
4.5.2 Field Ensembles 15
4.5.2.1 Capture Location 15
4.5.2.2 List of Recommended Field Ensembles 15
4.5.2.3 Field Ensemble Characterization 16
4.5.2.4 Data Format 17
4.5.2.5 Recommended Physical Support for Field Ensemble Data Transfer 17
4.5.3 Laboratory Ensembles 18
4.5.3.1 Channel Impulse Response Range 18
4.5.3.1.1 Typical Echo Range 18
4.5.3.1.2 Single Static Echoes Amplitude / Equalizer Profile 18
4.5.3.2 Single Dynamic Echoes 20
4.5.3.3 Multiple Dynamic Echo Ensembles 21
4.5.3.4 Dynamic Multipath in the Presence of Doppler Frequency Shift and Airplane Flutter23
4.6 Antenna Interface 23
4.7 Consumer Interface—Received Signal Quality Indicator 24 3 |
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