Policy on Intellectual Property Right (IPR)
1 Scope
2 General overview
2.1 Background
2.2 Quality and reliability of SAB/SAP in relation to spectrum
demand
2.3 Future developments
3 Technical aspects of audio SAB/SAP
3.1 Descriptions: Analogue, digital and cognitive audio SAB/SAP
3.1.1 Analogue
3.1.2 Digital
3.1.3 Cognitive systems
3.2 Operating conditions for audio links including wireless
microphones and in ear monitor systems
3.2.1 Quality of service requirements
3.2.2 General requirements regarding audio SAB/SAP
operation
3.2.3 Factors that affect the performance of wireless
microphones and in-ear monitors
3.2.4 Propagation characteristics of frequency bands
3.3 Control links
4 Current use of SAB/SAP equipment and spectrum requirements
4.1 Events requiring support of various SAB/SAP devices
4.1.1 Exceptional, special, large and regular events
4.1.2 Studio production
4.2 SAB/SAP usage in the 700 MHz band between 2007 and 2013 in
Germany
4.2.1 Impact on SAB/SAP of the loss of the 694 to 790 MHz
range
5 Further developments and future requirements for audio SAB/SAP
5.1 Considerations on future perspectives for audio SAB/SAP
5.2 Future challenges
5.2.1 Highest quality
5.2.2 Dynamic
5.2.3 Future design challenges
5.3 Future technologies
6 Future spectrum for audio SAB/SAP
6.1 Use of IMT duplex gaps and guard bands
6.2 Other frequency bands below 2 GHz
7 Conclusion
2.1 Parameters for wireless microphones, in ear monitors (IEM) and
audio links
2.2 Technical aspects for transmitters
2.2.1 RF Power
2.2.2 Spectrum mask
2.2.3 Channel bandwidth
2.2.4 Frequency error
2.2.5 Spurious emissions limits at transceiver antenna
port
2.3 Technical aspects for receivers
2.3.1 Typical audio receiver characteristics
2.3.2 Test arrangement and test procedure
2.3.3 Test procedure
2.3.4 Receiver sensitivity limit
2.3.5 Sensitivity for IEM
2.3.6 Receiver spurious emissions at antenna port
2.4 Propagation issues
2.4.1 Transmission path loss: worst case scenario
2.4.2 Change in path loss using a diversity antenna
system
2.4.3 Link budget
2.4.4 Short form presentation of signal level and path
losses
2.5 Interference in to the audio receiver unit of a SAB/SAP system
2.5.1 Compatibility figures
2.6 A method to measure the radio microphone receiver C/I
2.6.1 Hardware test procedure
2.6.2 Definition
2.6.3 Test procedure:
2.6.4 Results using the test procedure
2.6.4.1 Analogue microphones
2.7 Intermodulation, reverse intermodulation, WSD and SAB/SAP
2.7.1 Intermodulation
2.7.2 Reverse intermodulation
2.7.3 Mitigation techniques
2.7.4 Frequency planning
2.7.5 Intermodulation products vs. required bandwidth
2.7.6 Example of audio SAB/SAP in typical urban
environment
2.7.7 Multi-venue sites
2.7.8 Digital SAB/SAP
2.7.9 White space devices (WSD) and SAB/SAP
2.8 Benefit of digital audio SAB/SAP: Possibility to adapt the
characteristics to application requirements
2.8.1 Technology limitations of digital audio SAB/SAP
2.8.2 Information on active antenna distribution systems
2.9 Discussion and summary of the properties of the new
technologies
2.9.1 Analogue systems
2.9.2 Cognitive systems with analogue audio SAB/SAP:
Envelope of possibilities
2.9.3 Cognitive systems Example 1
2.9.4 Cognitive systems: Example 2 – System providing
high acoustic quality
2.9.5 Digital systems: Envelope of possibilities
2.9.6 Digital systems – Example 1: High capacity system
2.9.7 Digital systems – Example 2: System providing high
voice quality
4.1 General demand considerations
4.2 Demand for different kinds of broadcasting applications
4.2.1 Studio production
4.2.2 Demand for news gathering for TV/radio/Internet
4.2.3 Demand for sound broadcasters
4.2.4 Demand for regular events such as sport and similar
outside broadcasts
4.3 Demand for places of worship
4.4 Demand for film and advertisement production
4.5 Demand for recording production
4.6 Demand for corporate events
4.7 Demand for social use
4.8 Demand for conferences/political events
4.9 Snapshots of daily SAB/SAP use
4.9.1 London West End hot spot
4.9.2 German presidential election in the Reichstag
building, 18 March 2012
4.9.3 Snapshot of audio SAB/SAP short term allocations
for 20/8/11 within the UK
4.9.4 Snapshot of audio SAB/SAP daily use in The
Netherlands
5.1 Introduction
5.2 Set up of measurements
5.3 Coordination of SAB/SAP frequencies
5.4 Explanation of presented diagrams
5.5 Measurement results
5.6 Summary
5.7 Conclusion
6.1 Introduction
6.2 Requirements at the ESC 2011
6.2.1 Wireless microphones and in-ear monitoring
6.2.2 Ensuring radio coverage
6.2.3 Monitoring the audio quality
6.3 Issues with frequency coordination
6.3.1 Frequency coordination
6.3.2 Planning constraints
6.4 Actual spectrum use at ESC
6.4.1 Evaluation of spectrum recording during the main
event
6.5 Alternative coordination
6.6 Other events
6.6.1 Hannover state election 2013
6.7 Conclusion
6.8 List of References