Technical & Regulatory Examination of Coordination (Non-Plan Service)
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1 Technical & Regulatory Examination of Coordination (Non-Plan Service) Omar KA Space Services DepartmentITU, Radiocommunication Bureau (BR) ITU Regional Radiocommunication Seminar for Africa (RRS-13-Africa) Yaounde, Cameroon, September 2013)
2 Non Planned Space Services (Articles 9 & 11) A API C Coordination N Notification Start of regulatory clock Negotiate for interference free operation 7 years Record in MIFR & Bring into use 2
3 Input: Appendix 4 format data CR/C Capture Exercises with Validation Space Workshop C Coordination 3
4 Input: Appendix 4 format data BR: Validate/Check/Process Receivability Space Workshop C Coordination Exam 4
5 Input: Appendix 4 format data BR: Validate/Check/Process Conformity with Radio Regulations (No of RR) C Coordination Exam Output: CR/C Publication in BR IFIC DVD Coordination Requirements (No of RR) BRIFIC, SNS online and SNL online Space Workshop 5
6 Output: CR/C Publication in BR IFIC DVD 6
7 Output: CR/C Publication in BR IFIC DVD 7
8 >200 CR/C publications per year * Averaged from 2005 to
9 BUT... 9
10 40% Networks contain unfavourable findings* * with 1 or more unfavourable assignments under No. 9.35/
11 40% Networks contain unfavourable = not protected & protect others 11
12 100% favourable possible? 12
13 >2000 Affected networks to coordinate* * Between GSO networks, under provision No
14 Considering 7 year limit, 1 network per day to complete 14
15 Possible to manage? 15
16 Conformity with Radio Regulations (No of RR) C Coordination Exam Coordination Requirements (No of RR) Output: CR/C Publication in BR IFIC DVD 16
17 Detailed Look 1. Conformity with Radio Regulations 2. Coordination Requirements 17
18 Conformity with Radio (No of RR) Regulations 18
19 Conformity with Table of Frequency Allocation & other provisions (PFD/EIRP Limits etc.) Nos. 9.35, of RR, RoP
20 Conformity with RR (No of RR) Summarize network Frequency bands Direction of transmission Class of station/services Beams/Service area 20
21 Conformity with RR (No of RR) Summarize network Frequency bands Direction of transmission Class of station/services Beams/Service area Compare with Table of Frequency Allocation (Article 5 of Radio Regulations) Example: MS Access query on SRS (com_el, grp, freq, srv_cls tables) Relevant footnotes 21
22 Conformity with RR (No of RR) Frequency bands of network Frequency allocation 22
23 Conformity with RR (No of RR) Frequency bands of network N- A- A- A- A- N- N- A- N- N- Frequency allocation Unfavourable (N-) if not within allocation 23
24 Conformity with RR (No of RR) Frequency bands of network N- N- N- N- N- N- N- N- N- N- Unfavourable (N-) if wrong Service or Direction of Transmission 24
25 Conformity with RR (No of RR) Service area of network R2 R1 R3 25
26 Conformity with RR (No of RR) If allocation to Region 1 only R2 R1 R3 26
27 Conformity with RR (No of RR) Service area is split R1 R2 R3 Favourable (A-) Unfavourable (N-) 27
28 Conformity with RR (No of RR) Power-flux density limits (PFD) Articles 21, 22, footnotes, etc. PFD = Power Density + 10log(Ref. Bandwidth) + G(theta) 10log(4piR^2) db(w/m2) Where G = Gain of transmitting space station R = Distance from satellite to point on Earth s surface EIRP limits Articles 21, footnotes, etc. 28
29 Conformity with RR (No of RR) BRsoft/What is new on version 7 Space Workshop Power-flux density limits (PFD) EIRP limits GIBC Program v7 (Graphical Interface for Batch Calculations) 29
30 Conformity with RR (No of RR) PFD (Terrestrial Services) Enter Network ID Click Start Select Hard Limits 30
31 Conformity with RR (No of RR) PFD.LST 31
32 Conformity with RR (No of RR) PFD.LST Beam name Maximum Gain Group ID Reference to PFD limit Frequency assignment with excess Gain PFD Max Excess PFD Limit (Frequency Bandwidth Emission Peak Power Maximum Power Density) Worst case coordinate & location GIBC Output Level 2 All locations with excess: 32
33 Conformity with RR (No of RR) PFD.LST Gain PFD Max Excess PFD Limit Fixed beams Steerable beams Unfavourable (N-) Split from groups with Favourable assignments 33
34 Conformity with RR (No of RR) PFD.LST Gain PFD Max Excess PFD Limit Fixed beams Steerable beams Unfavourable (N-) Split from groups with Favourable assignments Favourable (A-)* 34
35 Conformity with RR (No of RR) *2 Conditions Provide method to meet PFD limit & One location PFD limit is met (Annex 1 of RoP No ) Steerable beams Favourable (A-)* 35
36 Conformity with RR (No of RR) *2 Conditions Provide method to meet PFD limit & One location PFD limit is met (Annex 1 of RoP No ) Max Excess 9.5 db (C, Ku, Ka-bands FSS GSO) (Globally steerable but actual value depends on PFD limits) 36
37 Conformity with RR (No of RR) Top 3 Unfavourable Findings 1. EIRP/PFD hard limits exceeded Check GIBC/PFD results 2. Not in accordance with ToFA Check frequency bands, direction of transmission, class of station, service area 3. PFD limits exceeded for steerable beams and no method provided Submit reference to Annex 1 of RoP on No
38 Conformity with RR (No of RR) Only favourable frequency assignments will proceed 38
39 Coordination requirements (No of RR) 39
40 Identify any administration with which coordination may need to be effected No of RR 40
41 Coordination requirements (No of RR) GSO Satellites Non-GSO Satellites Interference Transmitting Earth Station Terrestrial Receiving Earth Station 41
42 Forms of coordination /A, 9.41 Coordination requirements (No of RR) GSO Satellites A30#7.1, A30A#7.1 Non-GSO Satellites 9.21/A, A, 9.21/A 9.13, 9.21/B 9.14, 9.11, 9.21/C /A, 9.41 Interference 9.12, 9.21/B 9.14, 9.11, 9.21/C, RS539 Transmitting Earth Station Terrestrial Receiving Earth Station 42
43 Forms of coordination /A, 9.41 Coordination requirements (No of RR) GSO Satellites A30#7.1, A30A# A, 9.21/A GSO vs GSO /A, GSO/NGSO vs NGSO 9.13, 9.11A (9.13, , 9.12A) /B 9.14, 9.21/A, GSO/NGSO vs Terrestrial 9.11A 9.11, (9.14) 9.41 BSS (non-plan) vs Terrestrial 9.11, 9.21/C RS539 Non-GSO vs Plan A30#7.1, A30A#7.1 Satellites Agreement with administrations 9.21 Interference 9.12, 9.21/B 9.14, 9.11, 9.21/C, RS539 Transmitting Earth Station Terrestrial Receiving Earth Station 43
44 Forms of coordination Coordination requirements (No of RR) 44
45 Forms of coordination Coordination requirements (No of RR) Network Summary Identify forms of coordination Article 9 & Appendix 5 for criteria Article 5 footnotes (9.21, 9.11A) Rules of Procedure (9.11A) Articles 7 of Appendices 30, 30A Resolutions 33,
46 Coordination requirements (No of RR) /C RS33#2.1 GSO /A RS33#3 A30A#7.1 GSO A30#7.1 GSO /B NGSO A 9.21/A 9.21/B GSO /C RS33#2.1 NGSO Identify forms of coordination Article 9 & Appendix 5 for criteria Article 5 footnotes (9.21, 9.11A) Rules of Procedure (9.11A) Articles 7 of Appendices 30, 30A Resolutions 33,
47 Coordination requirements (No of RR) /C RS33#2.1 GSO /A RS33#3 A30A#7.1 GSO A30#7.1 GSO /B NGSO A 9.21/A 9.21/B GSO /C RS33#2.1 NGSO GIBC PFD (Trigger) AP8 PFD (Space) Frequency Overlap with Space Services Frequency Overlap with Terrestrial Services 47
48 Coordination requirements (No of RR) GIBC /C RS33#2.1 GSO /A RS33#3 A30A#7.1 GSO A30#7.1 PFD (Trigger) AP8 PFD (Space) 90% of satellite networks in SRS are GSO (No. 9.7: GSO vs GSO) 48
49 Coordination requirements (No of RR) Appendix 8 Enter Network ID Click Start (WRC-03) Controls display of sample DT/T cases 1 - Per administration 2 - Per group 3 - Per assignment 49
50 APP8.LST Coordination requirements (No of RR) Coordination & Analysis of GSO Satellite Networks Space Workshop DT/T > 6% Existing network Network under examination Satellite name Longitude Frequency Beam Maximum Gain Associated ES 50 Frequency Assignment Power characteristics Date of protection
51 APP8.LST (cont.) Coordination requirements (No of RR) 9.7 Coordination Arc WRC-12 reduced CA for C & Ku-bands to 8 & 7 degs 9.7 DT/T 9.21/A RS33 (9.7 for API from ) A30A#7.1 51
52 NTW.LST Coordination requirements (No of RR) A = Recorded in MIFR / Already published T = Under examination N = Notification / C = Coordination C = Network causing interference R = Network receiving interference A = Coordination Arc 52
53 Coordination requirements (No of RR) /C RS33#2.1 GSO /A RS33#3 A30A#7.1 GSO A30#7.1 GIBC PFD (Trigger) AP8 PFD (Space) 53
54 Coordination requirements (No of RR) /C RS33#2.1 GSO /A RS33#3 A30A#7.1 GSO A30#7.1 GIBC PFD (Trigger) AP8 PFD (Space) 54
55 Coordination requirements (No of RR) PFD (Terrestrial Services) Examination: Trigger Enter Network ID Click Start 55
56 Coordination requirements (No of RR) PFD (Terrestrial Services) 9.11, 9.14, 9.21/C 56
57 Coordination requirements (No of RR) /C RS33#2.1 GSO /A RS33#3 A30A#7.1 GSO A30#7.1 GIBC PFD (Trigger) AP8 PFD (Space) 57
58 Coordination requirements (No of RR) /C RS33#2.1 GSO /A RS33#3 A30A#7.1 GSO A30#7.1 GIBC PFD (Trigger) AP8 PFD (Space) 58
59 Coordination requirements (No of RR) PFD (Space Services) Enter Network ID Click Start 59
60 Coordination requirements (No of RR) PFD (Space Services) A30#7.1 60
61 Conformity with Radio Regulations (No of RR) C Coordination Exam Coordination Requirements (No of RR) Output: CR/C Publication in BR IFIC DVD 61
62 CR/C Publication 62
63 Network ID Date of Receipt Deadline for comments 63
64 SpaceCom - Comments under No CR/E Space Workshop Summary of affected administrations for entire network (mandatory) 64
65 SpaceCom - Comments under Nos /9.21 CR/D Space Workshop Summary of affected administrations for entire network (for info) Comment within 4 months, else agreement 65
66 Conformity with RR A-: Favourable N-: Unfavourable Forms of coordination 66
67 Detailed characteristics of network 67
68 Gain contour & service area diagrams Align steerable beams with service area (provide effective gain contours 0, -2, -4, -6, - 10, -20 db) B.3.b1 of Appendix 4 (WRC-12) 68
69 Gain contour & service area diagrams Align steerable beams with service area (provide effective gain contours 0, -2, -4, -6, - 10, -20 db) B.3.b1 of Appendix 4 (WRC-12) 69
70 Comments by BR, explanation of findings 70
71 9.7 (DT/T) 9.7 (CA) Coordination requirements at group level 71
72 Other forms of coordination at group level 72
73 Modified by WRC-12, effective Formal List of affected networks 73
74 3 key points 1. Coord exam = conformity with RR (No. 9.35) + establishment of coord requirements (No. 9.36) 2. N- findings can be eliminated & coord requirements can be managed 3. GIBC program is an essential tool 74
75 THANK YOU FOR YOUR KIND ATTENTION 75
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