1. A new challenge – creating a regulatory environment for implementing geo-location databases for White Space Devices (WSD) Andy Gowans Date (26 th January 2011) Note the material in this document does not necessarily represent Ofcom policy on Geo-location Databases. These policies are subject to ongoing consultations.

2. Section 1 – Harmonisation Challenges? Who should do what? Section 2 – What do we need to do? When do we need to do it? Section 3 – Some of the big issues/questions? 1 Content AGENDA

3. Harmonisation challenges in 470 – 790MHz? 2 Section 1 o Different national broadcast planning requirements in Europe outdoor fixed vs portable indoor national/regional/local multiple vs single frequency networks o Different planning and licence models for wireless microphones planned and registered vs unplanned and unregistered number and frequency ranges of safe harbour channels Differentiating between professional entertainment use and other uses o Different plans on how flexible the database should be should it cover fixed/mobile use? should it cover master/slave use? should it cover fixed or variable power levels? National Requirements Differ

4. Harmonisation challenges in 470 – 790MHz? 3 Section 1 o BUT WE WILL NEED SOME FORM OF EUROPEAN HARMONISATION ! o SO WHAT CAN WE HARMONISE? o WHERE SHOULD WE HARMONISE? CONCLUSIONS!

5. 4 The responsibilities that should be left to National administrators to develop autonomously are the following: Specification of how the incumbents information should be specified and provided to the Database provider(s) The algorithms to be used in the database(s)-(SE43 have provided guidance) Certification or accreditation framework for database provider(s) – (WGRA looking at issues) A suitable authorisation regime under which the CR device should operate (i.e. general or individual authorisation) Section 1 Harmonisation challenges in 470 – 790MHz? WHO?

6. 5 Harmonisation responsibilities should be undertaken by ETSI in co- operation with CEPT and the National administrations to provide a Harmonised Standard to address the following: Guidance information on the compliance requirements regulators would like to see included in the Harmonised Standard for the data exchange between the devices and any database provider : master set of data elements, data exchange format. Guidance information on the compliance requirements regulators would like to see included in the Harmonised Standard for the manufacturer to ensure that the CR device can connect to the suitable data base(s) & provide secure transmission Section 1 Harmonisation challenges in 470 – 790MHz? WHO?

7. Section 1 – Harmonisation Challenges? Who should do what? Section 2 – What do we need to do? When do we need to do it? Section 3 – Some of the big issues/questions? 6 Content AGENDA

8. 7 Policy algorithm (transmission rights) Registration database Database of information on incumbent service WSD database manager(s) C. Specifications of how the database should be supplied, certified, and updated (e.g. accreditation) E. An European harmonised standards F. Data from WSD to database (e.g., location, location accuracy, mode of operation). G. Data from database to WSD (e.g., maximum Tx power). National Regulatory Authority Database of incumbent service usage in the shared band (e.g. national DTT network planning model) CEPT ECC WGSE-WGFM-WGRA Standardisation Organisation (e.g., ETSI) WSD Manufacturers WSD D. Information and guidance on what the Harmonised Standard should cover (WGSE-WGFM). B. Specification of database algorithms & parameters. A. Specification of characteristics of the incumbent service. Section 2 WHO and WHEN?

9. 8 Policy algorithm (transmission rights) Registration database Database of information on incumbent service WSD database manager(s) C. Specifications of how the database should be supplied, certified, and updated (e.g. accreditation) E. An European harmonised standards F. Data from WSD to database (e.g., location, location accuracy, mode of operation). G. Data from database to WSD (e.g., maximum Tx power). National Regulatory Authority Database of incumbent service usage in the shared band (e.g. national DTT network planning model) Standardisation Organisation (e.g., ETSI) WSD Manufacturers WSD D. Information and guidance on what the Harmonised Standard should cover (WGSE-WGFM). B. Specification of database algorithms & parameters. A. Specification of characteristics of the incumbent service. Section 2 CEPT ECC WGSE-WGFM-WGRA WHAT, WHO and WHEN?

10. A.Specification of characteristics of the incumbent service. OFCOM PROPOSALS TO SE43 Broadcast Service Planning 100 x 100 m Pixel Map of the UK The median of DTT wanted signal (dBm) and DTT – DTT self interference and their corresponding standard deviation (dB) for each broadcast channel in each pixel. These are derived for each pixel from the UK DTT network planning model. PMSE Wireless Microphone Planning PMSE safe harbour channels (National/regional/local) Wireless microphone location Frequencies being used at location Location accuracy 9 WHAT? Section 2

11. 10 Policy algorithm (transmission rights) Registration database Database of information on incumbent service WSD database manager(s) C. Specifications of how the database should be supplied, certified, and updated (e.g. accreditation) E. An European harmonised standards F. Data from WSD to database (e.g., location, location accuracy, mode of operation). G. Data from database to WSD (e.g., maximum Tx power). National Regulatory Authority Database of incumbent service usage in the shared band (e.g. national DTT network planning model) Standardisation Organisation (e.g., ETSI) WSD Manufacturers WSD D. Information and guidance on what the Harmonised Standard should cover (WGSE-WGFM). B. Specification of database algorithms & parameters. A. Specification of characteristics of the incumbent service. Section 2 CEPT ECC WGSE-WGFM-WGRA WHAT, WHO and WHEN?

12. B. Specification of database algorithms & parameters. OFCOM PROPOSALS TO SE43 (See last Ofcom consultation) Broadcast Service vs WSD (See ECC Report 159) Algorithms for calculating WSD power levels (co and adjacent) Representative Adjacent Channel Selectivity (ACS) values for broadcast receivers Representative Transmitter Spectral Leakage (ACLR) values for WSD Different reference geometries for interference calculations (fixed- mobile) Other relevant parameters PMSE Wireless Microphone vs WSD Algorithms for protecting exclusion zone around wireless microphones. Representative ACS values for wireless microphone receivers 11 WHAT? Section 2

13. 12 Policy algorithm (transmission rights) Registration database Database of information on incumbent service WSD database manager(s) C. Specifications of how the database should be supplied, certified, and updated (e.g. accreditation) E. An European harmonised standards F. Data from WSD to database (e.g., location, location accuracy, mode of operation). G. Data from database to WSD (e.g., maximum Tx power). National Regulatory Authority Database of incumbent service usage in the shared band (e.g. national DTT network planning model) Standardisation Organisation (e.g., ETSI) WSD Manufacturers WSD D. Information and guidance on what the Harmonised Standard should cover (WGSE-WGFM). B. Specification of database algorithms & parameters. A. Specification of characteristics of the incumbent service. Section 2 CEPT ECC WGSE-WGFM-WGRA WHAT, WHO and WHEN?

14. C. Specifications of how the database should be supplied, certified, and updated (e.g. accreditation) Ofcom have put forward some proposals in their consultation and WGRA are also looking at these issues from a European perspective. Issues to be investigated : Database management models: Managed by regulator or private entity Single or multiple open database(s) Single or multiple proprietary database(s) Clearing House Models Data protection issues Accreditation models (national, European?) Quality Control Quality Assurance How to solve enforcement problems related to Database Managing the updates of the information supplied to the database by incumbents-regulators (e.g. version control, etc) 13 WHAT? Section 2

15. 14 Policy algorithm (transmission rights) Registration database Database of information on incumbent service WSD database manager(s) C. Specifications of how the database should be supplied, certified, and updated (e.g. accreditation) E. An European harmonised standards F. Data from WSD to database (e.g., location, location accuracy, mode of operation). G. Data from database to WSD (e.g., maximum Tx power). National Regulatory Authority Database of incumbent service usage in the shared band (e.g. national DTT network planning model) Standardisation Organisation (e.g., ETSI) WSD Manufacturers WSD D. Information and guidance on what the Harmonised Standard should cover (WGSE-WGFM). B. Specification of database algorithms & parameters. A. Specification of characteristics of the incumbent service. Section 2 CEPT ECC WGSE-WGFM-WGRA WHAT, WHO and WHEN?

16. D. Information and guidance on what the Harmonised Standard should cover (National regulators-WGSE-WGFM). ECC Report 159 and Ofcom Consultation give master set of data elements that European regulators will need to be accommodated in the exchange of between database and the WSD. From WSD to Database: Geographic location Location accuracy Device type (fixed or mobile, master or slave)? – could lead to further information being required! Device identifier or class? Will this relate to WSD ACLR? The last two bullets above will lead to further discussion on suitable conformance requirements especially master/slave! From Database back to WSD: Available frequencies or channels Maximum transmit EIRP(minimum requirement) Does the WSD require sensing or not? Time validity of request before re-validation request required 15 WHAT? Section 2

17. 16 Policy algorithm (transmission rights) Registration database Database of information on incumbent service WSD database manager(s) C. Specifications of how the database should be supplied, certified, and updated (e.g. accreditation) E. An European harmonised standards F. Data from WSD to database (e.g., location, location accuracy, mode of operation). G. Data from database to WSD (e.g., maximum Tx power). National Regulatory Authority Database of incumbent service usage in the shared band (e.g. national DTT network planning model) Standardisation Organisation (e.g., ETSI) WSD Manufacturers WSD D. Information and guidance on what the Harmonised Standard should cover (WGSE-WGFM). B. Specification of database algorithms & parameters. A. Specification of characteristics of the incumbent service. Section 2 CEPT ECC WGSE-WGFM-WGRA WHAT, WHO and WHEN?

18. E. European harmonised conformance standard ECC Report 159 and Ofcom Consultation give some examples of the data elements that regulators would like to see exchanged between database and the WSD. But WSD manufacturer’s are only responsible for ensuring compliance with the R&TTE Directive, so what about guidance on conformance? This normally means compliance with a European Harmonised Standard written by ETSI. The HS will need to include the master set of European regulators requirements! HS as a minimum should include conformance tests to assess : frequency accuracy location information provided by WSD location accuracy provided by WSD WSD maximum Transmit EIRP/power level given by the database WSD ACLR values/spectrum mask Spurious emission levels (both Tx and Rx) Validation request periodicity Could also include conformance tests to assess: Extra requirements for allowing dispensations for Master or slave devices can the overall accuracy of the measurements of the master and slave locations can be combined into a single overall accuracy for a coverage area? How do we asses this? Extra requirements for allowing dispensations for Fixed or mobile use? how to do test taking into account an antenna or not? 17 WHAT? Section 2

19. 18 Policy algorithm (transmission rights) Registration database Database of information on incumbent service WSD database manager(s) C. Specifications of how the database should be supplied, certified, and updated (e.g. accreditation) E. An European harmonised standards F. Data from WSD to database (e.g., location, location accuracy, mode of operation). G. Data from database to WSD (e.g., maximum Tx power). National Regulatory Authority Database of incumbent service usage in the shared band (e.g. national DTT network planning model) Standardisation Organisation (e.g., ETSI) WSD Manufacturers WSD D. Information and guidance on what the Harmonised Standard should cover (WGSE-WGFM). B. Specification of database algorithms & parameters. A. Specification of characteristics of the incumbent service. Section 2 CEPT ECC WGSE-WGFM-WGRA WHAT, WHO and WHEN?

20. ECC Report 159 and Ofcom Consultation give some examples of the data elements that regulators would like to see exchanged between database and the WSD. But WSD may have to differentiate between different national requirements (i.e. as they may only need to provide or act on a sub set of the full data set from the HS). Also will they need to include a manual interface for users to select fixed/mobile usage, antenna profiles etc? F. Data from WSD to database : location location accuracy Fixed mobile mode of operation? Manual interface? device identifier? antenna details? Gain or beamwidth Manual interface? G. Data from database to WSD Available frequencies or channels Maximum transmit EIRP(minimum requirement) Does the WSD require sensing or not? Time validity of request before re-validation request required 19 WHAT? Section 2

21. Section 1 – Harmonisation Challenges? Who should do what? Section 2 – What do we need to do? When do we need to do it? Section 3 – Some of the big issues/questions? 20 Content AGENDA

22. ECC Report 159 and Ofcom Consultation give some examples of the data elements that regulators would like to see exchanged between database and the WSD. But WSD may have to differentiate between different national requirements (i.e. as they may only need to provide or act on a sub set of the full data set from the HS). So how complicated do we want these requirements to be? Big issues - Questions : Does the database need to differentiate between Fixed and Mobile? Does the database or the standard need to differentiate between Master and Slave WSD? Do we need to set the a maximum power level related to type of usage? Should we allow for a Manual interface to enable the user to provide limited extra information (e.g. Antenna details, fixed/mobile or indoor/outdoor usage) What use is a device identifier if it is not linked to an assumption (e.g. ACLR value)? How de we deal with the geo-location accuracy problem? 21 Some of the Big Issues/ Questions? Section 3

23. andrew.gowans@ofcom.org.uk andrew.gowans@ofcom.org.uk For info on last Ofcom consultation see: http://stakeholders.ofcom.org.uk/consultations/geolocation/