space fss & bss plans · appendices 30/30a –bss plan • plans separated by regions •...
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Space FSS & BSS Plans
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Article 44
– Radio frequencies and any associated orbits are limited natural
resources.
– Must be used rationally, efficiently and economically in
conformity with the Radio Regulations.
– To have equitable access to those resources.
Article 45
– Not to cause harmful interference to the service operating in
accordance with the Radio Regulations.
ITU Constitution
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The mechanism to control
interference is within
the Radio Regulations
(RR) which contains:
The allocation of frequency bands and services.
The process of Coordination / Planning.
The technical and operational limits to applyto avoid interference.
It is used during:
Licensing of frequencies and orbital locations.
Monitoring the frequency emissions over a territory.
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The Space Plans have been established for certain space services and frequency bands in order to facilitate equitable access to a certain part of the frequency/orbit resource.
Broadcasting-SatelliteService and feeder-link Plans
11.7-12.2 GHz (Region 3),11.7-12.5 GHz (Region 1),
12.2-12.7 GHz (Region 2),
17.3-18.1 GHz (Region 1&3),17.3-17.8 GHz (Region 2),14.5-14.8 GHz (Region 1&3
except Europe)
Cf. RR book 2 Appendices 30/30A(So called BSS Plan or AP30/30A)
Fixed Satellite Service Plans
4.5 - 4.8 GHz, 6.725 - 7.025 GHz, 10.7 - 10.95 GHz
11.2 - 11.45 GHz, 12.75 - 13.25 GHz
Cf. RR book 2 Appendix 30B(So called FSS Plan or AP30B)
Planning Approach
the “Space Plans”
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Space Plans, a long HISTORY
Several World Radio Conferences between 1977 and 2007 were held to establish and revise the Space Plans:
• WARC-77 established the Region 1&3 BSS Plan
• RARC-83 established the Region 2 BSS and associated feederlink Plan
• WARC ORB-85 included the Region 2 BSS and associated feederlink Plan into the Radio Regulations
• WARC ORB-88 established the FSS Plan and Region 1 &3 BSS feederlink Plan
• WRC-97 revised the Region 1&3 BSS and associated feederlink Plans
• WRC-2000 revised the Region 1&3 BSS and associated feederlink Plans
• WRC-07 revised the FSS Plan
More documents about conferences are available at the ITU History Portal:http://www.itu.int/en/history/Pages/ConferencesCollection.aspx
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Frequency bandsBSS and associated Feeder-link Plans/Lists coverage
5-01
75°
60°
40°
30°
20°
0°
20°
30°
40°
60°
75°
60°
40°
30°
20°
0°
20°
30°
40°
60°
170° 140°160° 100°120° 60°80° 20°40° 0° 20° 40° 60° 80° 100° 120° 140° 160° 180°
170°
170°
140°160° 100°120° 60°80° 20°40° 0° 20° 40° 60° 80° 100° 120° 140° 160° 180° 170°
ABC
ABC
RÉGION 1
RÉGION 2
RÉGION 3 RÉGION 3
11.7 - 12.5 GHz (space-Earth)
14.5 - 14.8 GHz (Earth-space)
except Europe
17.3 - 18.1 GHz (Earth-space)
11.7 - 12.2 GHz (space-Earth)
14.5 - 14.8 GHz (Earth-space)
17.3 - 18.1 GHz (Earth-space)
12.2 - 12.7 GHz (space-Earth)
17.3 - 17.8 GHz (Earth-space)
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To guarantee equitable access, it is based on a reservation of capacity for future use by the ITU Member States:
Not all Plan assignments are currently in operation BUT will not be cancelled and are protected from harmful interference from other networks
Standard parameters (assumptions) are required to ensure equity amongst Administrations and possible future use
Space Plans Features (1/4)
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To guarantee equitable access, the beams cover
the national territory of each Administration
Space Plans Features (2/4)
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Protection from harmful interference is provided based on the
Plan characteristics and NOT on the characteristics entered
into the Master Register at notification stage. This is different
for networks operating in the non-plan frequency bands.
Space Plans Features (3/4)
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To use the space resources rationally, efficiently and economically,
the Aggregate C/I method is used to identify potential interference.
Wanted
assignment
Interfering assignments
(C/I)agg= (C/I1) (C/I2) (C/I3)
I1
I2 I3C
10
Space Plans Features (4/4)
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Main assumptions (with some exceptions)
• Same amount of frequency band for each beam
• National coverage
• Elliptical beam using defined space station antenna pattern
• Defined C/N
• Same values of system noise temperature
• Similar power level
• Defined earth station antenna size and pattern
• Defined Aggregate C/I
Standard Parameters
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APPENDICES 30/30A – BSS Plan
• Plans separated by Regions
• Shared with other space services in
other Regions
• Coordination Arc, Lists for R1&3
• Cluster concept in Region 2 Plan
APPENDIX 30B – FSS Plan
• World wide
• Allotment (conversion to
assignment)
• Together with Single Entry criteria
• Protection based on grid points in
service areas for downlinks
BSS Plan and FSS Plan
Some Distinct Features
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Space Plans and operational systems3 status possible for the frequency
The Articles and the Appendices of the Radio
Regulations establish the procedures to fulfil in
order to enter the allotments/assignments in the
Master Register (MIFR) whenever they are brought
into use.
Space Plans Procedures
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Plan
Region 2 Regions 1 and 3
Art. 4 Art. 4
Art. 5 Art. 5Art. 5 4.1.26 / 4.1.27
MIFRMIFRMIFR
PLAN PLAN List
AP30/30A BSS Plan Procedure Summary
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Art.7
Art.6
Art.8
Assignments
MIFR
PLAN
Allotment
Additional systems
Regions 1, 2 and 3
LIST
AP30/30A FSS Plan Procedure Summary
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Deadlines to trackCommenting to
protect existing
assignments
Space Plans Procedure Highlights
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APPENDICES 30/30A
4 months for comments
8 years for bringing into use,
inclusion in the Plan/List, Res.49
not later than 3 months before DBIU
for notification
3 years after suspension for Region
1&3 List assignments (Rev.WRC-12)
90 days for confirmation of DBIU
15 years for R1&3 List
APPENDIX 30B
4 month for comments
30 days after §6.13 assistance
8 years for bringing into use,
inclusion in the List, notification,
Res.49
3 years after suspension (Rev.
WRC-12)
90 days for confirmation of DBIU
Tracking Regulatory Deadlines for Plans
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How many administrations respond?– Response rate for AP30/30A after Part A Special Sections
– Response rate for AP30B after BR assistance under § 6.13
Reply
No reply
Reply
No Reply
Importance of Making Comments
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Importance of making
comments
• Consequence of non-response
– Reference situation of AP30/30A Plans for R1&3
– Reference situation of AP30B Plans
WRC-2000
Above criteria
"-0.45> x > -10
"-10 > x > -20
"-20 > x
Now
Above criteria
"-0.45> x > -10
"-10 > x > -20
"-20 > x
WRC-07
Above criteria
"-0.05> x > -10
"-10 > x > -20
"-20 > x
Now
Above criteria
"-0.05> x > -10
"-10 > x > -20
"-20 > x
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• Plans ensure equitable access and equitable use of
frequency and orbital resources
• Plan and non-plan procedures have similarities and
differences
• In the Radio Regulations, Appendices 30/30A/30B
contain the Plan/List/MIFR processes and definitions
• Processing deadlines should be carefully tracked
• It is important to comment when your Administration
is identified as potentially affected by new
assignments
5 Key Points to Remember
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General information relating to Space Plan services
http://www.itu.int/ITU-R/go/space-plans/en