1. The ITU and its Radiocommunication Sector - Study Groups - Radiocommunication Assembly - World Radiocommunication Conferences The ITU and its Radiocommunication Sector - Study Groups - Radiocommunication Assembly - World Radiocommunication Conferences Kevin Hughes Radiocommunication Bureau ITU Kevin Hughes Radiocommunication Bureau ITU

2. Presentation Introduction to ITU Objectives of ITU Radiocommunication Sector (ITU-R) ITU-R Study Groups Conference (WRC) process ITU-R Recommendations and Handbooks Conclusions

3. Member States Sector Members Associates UN bodies e.g. WMO, WHO Regional/National SDOs e.g. ETSI, IEC Regional Frequency Management e.g. CEPT Industry fora e.g. WiMAX International Telecommunication Union 189 Member States 645 Sector Members 106 Associates

4. ITU Overview ITU-T Telecommunication standardization - network and service aspects ITU-R Radiocommunication standardization and global spectrum management ITU-R Radiocommunication standardization and global spectrum management ITU-D Assisting implementation and operation of telecommunications in developing countries Helping the World Communicate!

5. Objectives of ITU-R Global coordination of radiocommunications ITU Radio Regulations International Spectrum Management Frequency Plans

6. Objectives of ITU-R Global coordination of radiocommunications International focal point for standardization of wireless systems Recommendations - de facto Standards on: spectrum management issues radiocommunication system characteristics and operation Example topics: radiowave propagation wireless access systems EESS systems broadcasting

7. Objectives of ITU-R To promote the development and use of radiocommunications for the benefit of all Global coordination of radiocommunications International focal point for standardization of wireless systems Promote the world-wide development of radiocommunications

8. ITU-R Objective Objective achieved through (inter alia): World and Regional Radiocommunication Conferences Approval of Recommendations by Member States by correspondence at Radiocommunication Assembly Technical studies are required which are conducted in Study Groups

9. ITU-R Study Groups Groups of experts (> 1500)from ITU membership Develop technical bases for WRCs and RRCs Develop Recommendations technical characteristics operational procedures Compile Handbooks

10. ITU-R Study Groups SG 1:Spectrum management SG 3:Radiowave propagation SG 4:Fixed-satellite service SG 6:Broadcasting service SG 7:Science services SG 8:Mobile services SG 9:Fixed service

11. ITU-R Study Groups Currently 7 Study Groups Subordinate groups Working Party Task Group Rapporteur Group Joint ……. Coordination Committee for Vocabulary Special Committee (regulatory/procedural) CPM - Conference Preparatory Meeting

12. Radiocommunication Assembly Establishes ITU-R Study Groups (and elects their chairmen/vice-chairmen) Adopts SG work programmes Approves Recommendations Approves Resolutions working procedures specific aspects of SG responsibility

13. Scope of Study Group 7 (Science services) Systems for space operation, space research, Earth exploration and meteorology Radio astronomy Standard frequency and time signals

14. SG 7 - some key areas of study - Allocations for space science services space operations and space research services Earth exploration satellite service meteorological services Compatibility between science services (active and passive) and other services (including sharing and protection criteria)

15. Study Group Products Technical bases for WRC and RRC CPM Report ITU-R Recommendations Handbooks

16. Preparation of CPM Report

17. Structure and Contents of CPM Report Mobile, aeronautical mobile, radionavigation and radiolocation services Space science services FSS, MSS and BSS below 3 GHz Fixed service including HAPS and FSS above 3 GHz Services in LF, MF and HF bands and maritime mobile service Regulatory procedures and associated technical criteria applicable to satellite networks Future WRC programmes and other issues Part of CPM Report Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Agenda Items 1.3, 1.4, 1.5, 1.6 1.2, 1.20, 1.21 1.7, 1.9, 1.11, 1.17 1.8, 1.18, 1.19 1.13, 1.14, 1.15, 1.16 1.10, 1.12, 7.1 2, 4, 5, 6, 7.1, 7.2

18. Chapter 2 of CPM Report Space science services Rapporteur: Mrs. Shayla Taylor (USA) WRC-07 Agenda items 1.2, 1.20, 1.21 1.2: Allocations and related regulatory issues for EESS (passive), SRS (passive) and Meteo-Sat in 18.1 – 18.4 GHz, 10.6 – 10.68 GHz and 36 – 37 GHz 1.20: Protection of EESS (passive) (bands 1400 – 1427 MHz, 23.6 – 24 GHz, 31.3 – 31.5 GHz, 50.2 – 50.4 GHz) from unwanted emissions of active services 1.21: Compatibility between RA and active space services (bands referred to in Res740) in order to review and update the threshold levels used for consultation (Annex to Res739)

19. AI 1.2: Allocations and related regulatory issues for EESS (passive), SRS (passive) and MetSat in 18.1–18.4 GHz, 10.6–10.68 GHz and 36–37 GHz (1) Current results of studies (18.1-18.4 GHz): the addition of 100 MHz seems feasible under certain conditions (but compatibility between MetSat and NGSO FSS not studied); proposes additional allocation, either 18.0-18.1 or 18.3- 18.4 GHz; indication that 18.0-18.1 GHz option may impose minor constrains on MetSat orbital positions due to operation of BSS feeder-links of networks belonging to Regions 1 and 3 BSS Plans/Lists (Appendix 30A)

20. AI 1.2: Allocations and related regulatory issues for EESS (passive), SRS (passive) and MetSat in 18.1–18.4 GHz, 10.6–10.68 GHz and 36–37 GHz (2) Current results of studies (10.6-10.68 GHz and 36-37 GHz): interference from FS in 10.6-10.68 GHz band may exceed limits for EESS sensors by ~17 dB; mitigation therefore necessary; preliminary sharing criteria proposed for 36-37 GHz band, but not to be applied to terrestrial systems brought into use before WRC-07

21. AI 1.20: Protection of EESS (passive) (bands 1400 – 1427 MHz, 23.6 – 24, 31.3 – 31.5, 50.2 – 50.4 GHz) from unwanted emissions of active services Current results of studies: TG 1/9 revising Rec. ITU-R SM.1633, which should be used as a basis for developing EESS protection criteria; proposed to include unwanted emission power [limit /level] in RR; sensors protected but some limitation on future active systems; still at a preliminary stage.

22. AI 1.21: Compatibility between RA and active space services (Res.740) in order to review and update threshold levels used for consultation (Annex to Res.739) Current results of studies: proposed PFD threshold levels for RAS protection from interference from different services; 3 methods are under consideration: 1 st –add approved thresholds in Res.739 and apply them (RAS protected, but more work for ADMs due consultation); 2 nd similar to 1 st but RNSS is not covered (no burden for ADMs but RAS may not be protected in 1559-1610 MHz); 3 rd no incorporation of thresholds (TBD).

23. Chapter 1 of CPM Report Mobile, aeronautical mobile, radionavigation and radiolocation services Rapporteurs: Mrs. Darlene Drazenovich (USA) AI 1.3, 1.4 Mr. Alan Jamieson (New Zealand) AI 1.5, 1.6 WRC-07 Agenda items 1.3, 1.4, 1.5, 1.6 1.3: Consider upgrading of RLS in 9000 – 9200 MHz and 9300 – 9500 MHz to primary status and extending by 200 MHz the allocation to the EESS (active) and SRS (active) 1.4: Frequency related matters for IMT-2000 and systems beyond IMT-2000 1.5: Additional spectrum for wideband aeronautical telemetry / telecommand in 3 – 16 GHz 1.6: Additional allocations for the Aeronautical Mobile (R) service between 108 MHz and 6 GHz

24. Study Group Products Technical bases for WRC and RRC CPM Report ITU-R Recommendations Handbooks

25. Some ITU-R Recommendations developed by SG 7 ITU-R SA.1159 Performance criteria for data dissemination and direct data readout systems in the Earth Exploration-Satellite Service and Meteorological-Satellite Service using satellites in geostationary orbit ITU-R RS.577 (former ITU-R SA.577) Preferred frequencies and necessary bandwidths for spaceborne active remote sensors ITU-R RS.1165 (former ITU-R SA.1165) Technical characteristics and performance criteria for radiosonde systems in the meteorological aids service ITU-R RA.1630 Technical and operational characteristics of ground-based astronomy systems for use in sharing studies with active services between 10 THz and 1 000 THz

26. Study Group Products Technical bases for WRC and RRC CPM Report ITU-R Recommendations Handbooks

27. Handbooks developed by SG 7 Use of Radio Spectrum for Meteorology Space Research Communications Radio Astronomy Selection and Use of Precise Frequency and Time Systems EESS (under development)

28. Concluding remarks The Study Groups represent a major aspect of ITU-R activities Technical forum for discussion amongst experts Technical bases for Radio Conferences Recommendations and Handbooks

29. Thank you! Dr. Kevin A. Hughes Radiocommunication Bureau International Telecommunication Union (ITU) 1211 Genève 20 Tel: +41 22 730 5814 E-mail: kevin.hughes@itu.int