EBU Workshop on Frequency and Network Planning Aspects of DVB-T2

[tranvantung]

Hi!
35490
have a nice day.:loveliness:

[primig]

Here is the report from the same workshop:

FREQUENCY AND NETWORK PLANNING ASPECTS OF DVB-T2
STATUS: REPORT
July 2014

Contents
1. Introduction
1.1 Commercial requirements for DVB-T2
1.2 DVB-T and DVB-T2; what is the difference?
1.3 Notes on this report

2. System properties
2.1 Bandwidth
2.2 FFT size
2.3 Modulation scheme and guard interval
2.4 Available data rate
2.5 Carrier-to-Noise Ratio C/N
2.5.1 Introduction
2.5.2 Methodology for the derivation of the C/N.
2.5.3 Common reception channels
2.5.4 C/N for Gaussian channel
2.5.5 C/N for Rice and Rayleigh channel
2.6 Rotated constellation
2.6.1 Concept
2.6.2 Constellation Diagram
2.6.3 Rotation of the constellation diagram
2.6.4 Rotation angle
2.6.5 Time delay between I and Q
2.6.6 Improvement of performance
2.7 Scattered pilot patterns
2.7.1 Principle of scattered pilot pattern
2.7.2 Sample Pilot Pattern Choices
2.8 Time interleaving
2.9 Bandwidth extension
2.10 Phase noise
2.11 Choice of System Parameters
2.11.1 Choice of FFT size
2.11.2 Selection of DVB-T2 mode for SFNs

3. Receiver properties, sharing and compatibility, network planning parameters
3.1 Minimum receiver signal input levels
3.2 Signal levels for planning
3.3 Examples of signal levels for planning
3.3.1 DVB-T2 in Band III
3.3.2 DVB-T2 in Band IV/V
3.4 Protection ratios
3.4.1 Introduction
3.4.2 DVB-T2 vs. DVB-T2/DVB-T
3.4.3 DVB-T2 vs. T-DAB
3.4.4 DVB-T2 vs. Analogue TV
3.4.5 DVB-T2 vs. LTE
3.4.6 Protection ratios for DVB-T2 modes other than the reference mode
3.5 DVB-T2 equalisation interval, EI

4. New planning features
4.1 SFN Extension
4.1.1 Introduction
4.1.2 Example 1: Rooftop Reception, SFN, Large Area, VHF
4.1.3 Example 2: Portable reception (with 64-QAM), SFN, Large Area, VHF
4.1.4 Example 3: Portable reception, SFN, Medium Area, UHF
4.1.5 Example 4: Portable reception, SFN, Large Area, UHF
4.2 Degradation beyond guard interval
4.2.1 Use of higher FFT modes
4.3 MISO (Multiple Input Single Output)
4.3.1 General considerations
4.3.2 Transmission Parameter Considerations
4.3.3 Planning Applications and Considerations
4.3.4 Qualitative description of the MISO gain
4.3.5 Results of MISO field trials
4.4 Time-Frequency Slicing (TFS)
4.4.1 TFS in the DVB-T2 standard
4.4.2 The TFS concept
4.4.3 TFS gains
4.4.4 TFS coverage gain
4.4.5 TFS interference gain
4.4.6 Improved robustness
4.4.7 Calculation of potential TFS coverage gain - example
4.4.8 Coherent Coverage Effects
4.5 Time Slicing
4.6 Physical Layer Pipes
4.6.1 Input streams and Physical Layer Pipes
4.6.2 Single and multiple PLPs
4.7 Peak-to-Average Power Ratio (PAPR) reduction techniques
4.8 Future Extension Frames (FEF)

5. Implementation Scenarios
5.1 Introduction
5.2 Scenario 1: MFN rooftop reception and a transition case
5.3 Scenario 2: SFN rooftop reception, maximum coverage
5.4 Scenario 3: SFN rooftop reception, moderate coverage
5.4.1 Scenario 3a: Rooftop reception for limited area SFN
5.4.2 Scenario 3b: Rooftop reception for large area SFNs
5.5 Scenario 4: Portable reception (maximum data rate)
5.6 Scenario 5: Portable reception (maximum coverage area extension)
5.7 Scenario 6: Portable reception (optimal spectrum usage)
5.8 Scenario 7: Mobile reception (1.7 MHz bandwidth in Band III)
5.9 Scenario 8: Portable & mobile reception (common MUX usage by different services) - Multiple PLP
5.10 Overview of scenarios.70

6. Transition to DVB-T2
6.1 DVB-T2 in GE06
6.1.1 Implementing alternative broadcasting transmission systems under the GE06 Agreement
6.1.2 Requirements for the development of the DVB-T2 specification
6.1.3 Implementation of DVB-T2 in the GE06 Plan
6.2 Transition scenarios
6.2.1 Introduction
6.2.2 Infrastructure
6.2.3 Frequency planning issues
6.2.4 Transition from Analogue TV to DVB-T2
6.2.5 Transition from DVB-T to DVB-T2

7. References
Annex 1: Planning methods, criteria and parameter
A1.1 Reception modes
A1.1.1 Fixed antenna reception
A1.1.2 Portable antenna reception
A1.1.3 Mobile reception
A1.1.4 Handheld reception
A1.2 Coverage definitions
A1.3 Calculation of signal levels
A1.3.1 Antenna gain
A1.3.2 Feeder loss
A1.3.3 Man-Made Noise (MMN)
A1.3.4 Height Loss
A1.3.5 Building penetration Loss
A1.3.6 Vehicle (car) entry loss
A1.3.7 Location percentage
A1.3.8 Frequency interpolation in the UHF band (Bands IV and V)
Annex 2: Estimation of the net data capacity of a DVB-T2 multiplex
Annex 3: Nyquist time for frequency & time interpolation vs. guard interval
Annex 4: Derivation and Comparison of C/N Values
A4.1 Raw Values of C/N for the derivation of the Rice and Rayleigh Channel Case
A4.2 Comparison of C/N values calculated according to the methodology of § 2.5 and measurement results
Annex 5: DVB-T2-Lite
A5.1 Introduction
A5.2 Differences between T2-Base and T2-Lite
A5.3 DVB-T2-Lite signal structure
A5.4 DVB-T2-Lite system parameters
A5.5 DVB-T2-Lite planning parameters
A5.6 Implementation aspects and implementation scenarios
Annex 6: Further Understanding the DVB-T2 Equalisation Interval (EI)
Appendix A to Annex 6: Spectrum Plots of a Main DVB-T Signal and a Single Echo
Annex 7: Specific Implementation Scenarios / Country situation
A7.1 DVB-T2 in the UK (October 2013)
A7.1.1 UK T2 Rollout Process
A7.2 DVB-T2 in Finland (October 2013)
A7.3 DVB-T2 in Sweden (October 2013)
A7.3.1 Rollout of two DVB-T2 multiplexes in Sweden, 2010-2012
A7.3.2 Migration of DVB-T to DVB-T2
A7.3.3 Current operational modes
A7.4 DVB-T2 in Denmark (October 2013)128
A7.5 DVB-T2 in Austria (October 2013)129
A7.5.1 Situation in Austria after ASO (Analogue Switch Off)
A7.5.2 Increasing the market share of digital terrestrial television
A7.5.3 DVB-T2 network
A7.5.4 DVB-T2 parameters
A7.5.5 Changes in the DVB-T network