Coordination of Earth Stations with respect to terrestrial ... · AP7 Capture (BR Software) Capture...
Transcript of Coordination of Earth Stations with respect to terrestrial ... · AP7 Capture (BR Software) Capture...
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Coordination of Earth Stationswith respect to terrestrial stations /
other earth stations
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Process for E/S Coordination
Frequency Study
Frequency Study
• Article 5 : Frequency Allocation
• Article 9: Understanding Coordination Provisions
Sending Information
Sending Information
• Appendix 7: Copy of Coordination Diagram
• Appendix 4: Coordination data (AP4/III)
Coordination & Notification Coordination & Notification
• Coordination under 9.15 / 9.17 / 9.17A / 9.21
• Send Notification data (AP4 captured by SpaceCap)
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Process for E/S Coordination
Frequency Study
Frequency Study
• Article 5 : Frequency Allocation
• Article 9: Understanding Coordination Provisions
Sending Information
Sending Information
• Appendix 7: Copy of Coordination Diagram
• Appendix 4: Coordination data (AP4/III)
Coordination & Notification Coordination & Notification
• Coordination under 9.15 / 9.17 / 9.17A / 9.21
• Send Notification data (AP4 captured by SpaceCap)
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Region 1
___________________
5850 - 5925 MHz
FIXED
FIXED-SATELLITE
(Earth-to-space) ↑
Region 1
___________________
5850 - 5925 MHz
FIXED
FIXED-SATELLITE
(Earth-to-space) ↑
All Regions
___________________
6700 - 7075 MHz
FIXED-SATELLITE
(Earth-to-space) ↑
(space-to-Earth) ↓
All Regions
___________________
6700 - 7075 MHz
FIXED-SATELLITE
(Earth-to-space) ↑
(space-to-Earth) ↓
Volume No.1 Article 5
opposite direction
Uplink ↔ Downlink
equal rights
Space = Terrestrial
Frequency Study
Frequency Allocations for Earth Station Frequency Allocations for Earth Station
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Frequency Study
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9.6
9.15
9.17
9.17A
9.21
Volume No.1 Article 9
9.6 Administrations shall effect coordination before notifying to the BR or brings into use any frequency assignment.
Frequency Study
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9.15 Coordination of a Specific or Typical Earth Station of non-GSO in respect of Terrestrial Stations (associated with Footnote - 9.11A)
Footnote 9.11A
Adm A
Adm B
Volume No.1 Article 9
Frequency Study
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9.17
Coordination of any Specific Earth Station or
Typical Mobile Earth Station in frequency bands
above 100 MHz, in respect of Terrestrial Stations,
with the exception of the coordination under 9.15
Adm A Adm B
Adm A Adm B
Volume No.1 Article 9
Frequency Study
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9.17A
Coordination of any Specific Earth Station in respect of other Earth Stations operating in the opposite direction of transmission (ODT), or any Typical Mobile Earth Station in respect of Specific Earth Station (ODT) *Rx E/S – No methodology in AP7
Adm A
Adm B
Volume No.1 Article 9
Frequency Study
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9.21 Specific Earth Station of a service required to seek agreement of other administrations (under Footnotes)
Volume No.1 Article 9
Space Service under No. 9.21 agreement (ex: footnote 5.461 – MSS)
“rare case for Earth Station”
Frequency Study
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Frequency Study
GSO Satellites
Terrestrial
Transmitting
Earth Station
Receiving
Earth Station
Non-GSO
Satellites Interference
9.17A
9.15/9.17 9.15/9.17
Coordination of Earth Station is ADM’s duty and responsibility.
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Process for E/S Coordination
Frequency Study
Frequency Study
• Article 5 : Frequency Allocation
• Article 9: Understanding Coordination Provisions
Sending Information
Sending Information
• Appendix 7: Copy of Coordination Diagram
• Appendix 4: Coordination data (AP4/III)
Coordination & Notification Coordination & Notification
• Coordination under 9.15 / 9.17 / 9.17A / 9.21
• Send Notification data (AP4 captured by SpaceCap)
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Preparation of Coordination Data
Collecting AP4 data
AP7 Capture (BR Software)
Capture data (.MDB)
GIBC/AP7 (BR Software)
Coordination Area/ADM
Coordination Request
SpaceCap (BR Software)
• BR IFC (Space Services) - International Frequency
Information Circular or • http://www.itu.int/ITU-
R/go/space-software/en
Where is BR Software ?
Sending Information
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Coordination data Coordination data
Annex 2
GEOGRAPHICAL DATA Longitude / Latitude
Altitude
SATELLITE Orbital Location,
Identification (Geo, Non-Geo)
ANTENNA Maximum gain
Radiation pattern
SIGNAL
CHARACTERISTICS
Power
Maximum Power Density
Frequencies
Noise temperature
Emission Type
Others Horizontal Elevation Angle
Volume No.2 Appendix 4
Sending Information
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*
AP4 data - AP7 Capture (Exercise Purpose)
*
* The associated Space Station should be notified and the beam should be matched.
Sending Information
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AP4 data - SpaceCap (for Coordination & Notification)
Sending Information
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AP7 embedded in GIBC (from BR IFIC DVD)
Computer Program for Determination of Coordination Area
Computer Program for Determination of Coordination Area
Magic button for Coordination?
C:\BR_SOFT\BATCH
Create your Input File
Sending Information
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Diffraction (local)
Tropospheric scatter (>100km)
Ducting (>500km)
Elevated layer reflection/refraction (h < x 100m)
Great-circle propagation (Mode 1) – 4 Radio-Clim. zone
Hydrometeor scatter (Mode 2) – 15 Rain zone A-Q +
Anomalous (short-term) Interference Propagation mechanisms Anomalous (short-term) Interference Propagation mechanisms
Common Volume at the intersection of the antenna main beams
Hydrometeor scatter
Volume No.2 Appendix 7 Sending Information
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, Great-circle propagation
(Mode 1)
Hydrometeor scatter (Mode 2) ) Max (
Maximum Calculation Distance (369/ Mode2 up to 1200 Km/ Mode1*Zone C)
(Mode2)
Pt*Ge
Hydrometeor scatter
(Mode1) L(%)=P
t+G
e+G
x
Gx, Pr(%) from Tables of AP7
(10 to 123 Km/f) Minimum Coordination Distance
L(%)=Pt+G
x
Gx, Pr(%) from Tables of AP7
convert to
Pr(%)
Pr(%)
GX
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Report (p1) of AP7 (GIBC) program – 9.17 Report (p1) of AP7 (GIBC) program – 9.17
Automatic indication
in AP7 report
ex: Rcv GSO ES (FSS) w.r.t. Terrestrial St (TS, FS, MS)
Freq: 3850-4200 GHz Sat longitude : 18 W
Horizon Ele. Anagle : 0
Affected countries: Countries included
in Coordination Distance/Area
Sending Information
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Coordination area of 9.17A (Opposite direction) ex: Tx GSO ES (FSS) with respect to Rcv GSO ES (EESS)
Coordination area of 9.17A (Opposite direction) ex: Tx GSO ES (FSS) with respect to Rcv GSO ES (EESS)
Freq: 8025-8350 GHz Sat longitude : 1 W Horizon Ele. Anagle : 0 Affected countries: I TUN
Sending Information
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KRE
KOR
130E125E
130E125E
40N40N
KRE
KOR
J
135E130E125E120E
130E125E120E
40N
35N
40N
35N
Specific, 100Km Specific, 580Km
KRE
KOR
J
130E125E
130E125E
40N
35N
40N
35N
KRE
KOR
J
135E130E125E120E
135E130E125E120E
40N
35N
30N
40N
35N
30N
KRE
KOR
J
CHN
140E135E130E125E120E115E
135E130E125E120E
40N
35N
30N
40N
35N
30N
MAC
KRE
KORJ
HKG
CHN
150E145E140E135E130E125E120E115E110E105E
140E135E130E125E120E115E
45N
40N
35N
30N
25N
45N
40N
35N
30N
25N
Typical, 100Km Typical, 400Km Typical, 500Km Typical, 580Km
MAC
KRE
KORJ
HKG
CHN
150E145E140E135E130E125E120E115E110E105E
140E135E130E125E120E115E
45N
40N
35N
30N
25N
20N
45N
40N
35N
30N
25N
20N
Typical, 1080Km Typical, 1000Km
KRE
KOR
J
CHN
140E135E130E125E120E115E
135E130E125E120E
45N
40N
35N
30N
45N
40N
35N
30N
Predetermined Coordination distance – 9.15 (Table 10 of Appendix 7)
Predetermined Coordination distance – 9.15 (Table 10 of Appendix 7)
Predetermined Predetermined AP7 Table 10 (Example Adm: KOR)
Sending Information
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Calculated parameters by 5° Azimuth
Coordination distance by 5° Azimuth
Tech. parameters of the planning E/S
Report (p2) of AP7 (GIBC) program Report (p2) of AP7 (GIBC) program
( 0 - 355º )
• To: Probably Affected ADMs (9.29/31) • Send AP4/III Coord. Data • Send Copy of Cood. Contour
Sending Information
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Process for E/S Coordination
Frequency Study
Frequency Study
• Article 5 : Frequency Allocation
• Article 9: Understanding Coordination Provisions
Sending Information
Sending Information
• Appendix 7: Copy of Coordination Diagram
• Appendix 4: Coordination data (AP4/III)
Coordination & Notification Coordination & Notification
• Coordination under 9.15 / 9.17 / 9.17A / 9.21
• Send Notification data (AP4 captured by SpaceCap)
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0
45
90
135 180
225
270
315
ALB
MKD
GRC
SUI
D
AUT
HNG F
E
ALG
TUN
LBY
EGY
ROU
BUL
TUR
I
YUG
SVN
HRV
BIH
SVK
MLT
APPENDIX 7
Definition of the Coordination Area APPENDIX 7
Definition of the Coordination Area
Mode(1)
Mode(2)
Coordination contours with the greatest coordination distance
It represents a regulatory concept based on Worst Cases &
Conservative Assumptions.
However
i.e.
It’s not an exclusion zone.
means
More detailed calculations and discussions need to be performed.
Coordination & Notification
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Earth station
Horizon Elevation Angle
. Azimuth x o
. Azimuth x1 o
HE Angle 1
. Azimuth x2 o
HE Angle 2
Azimuth x 3o
.
HE Angle 3
. Azimuth x4 o
HE Angle 4
Azimuth x5 o
HE Angle 5
Horizontal Elevation Angles • All Azimuths around Earth Station Ant. • if no values between Average value • No values default 0 degree
Coordination & Notification
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RECEIVING EARTH STATION COORDINATION AREAS MAGHTAB MLT/MLT 014E2640 35N5556 4135.0 - 4135.0 MHZ
ALB
MKD
GRC
SUI
D
AUT
HNG F
E
ALG
TUN
LBY
EGY
ROU
BUL
TUR
I
YUG
SVN
HRV
BIH
SVK
MLT
ALG
LBY
TUN
E
F
I
ROU
TUR
EGY
D
SUI
AUT HNG
BUL
GRC
YUG BIH
ALB
MKD
SVN
HRV
MDA SVK UKR
MLT
Effect of Horizon Elevation Angle Effect of Horizon Elevation Angle
HORIZON ELEVATION ANGLE : 0 o HORIZON ELEVATION ANGLE: Actual Value
Reduced
Coordination Area
Coordination & Notification
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AP7 embedded in GIBC
Auxiliary Contour
It’s all Complementary
information.
Extra coordination lines inside main contour
More practical consideration with Auxiliary Contour More practical consideration with Auxiliary Contour Coordination & Notification
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Adm B
Coordination contour (Gx=50 dBi)
- 5 dB Auxiliary contour (Gx = 45 dBi)
- 10 dB Auxiliary contour (Gx = - 40 dBW)
Auxiliary Contour - Mode 1 (& 2) Appendix 7 - Annex 6
Auxiliary Contour - Mode 1 (& 2) Appendix 7 - Annex 6
Extra coordination lines inside main contour
(decided between ADMs)
Adm A
Coordination & Notification
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Ad
min
istratio
n B
Actions on Coordination Request (Article 9) Actions on Coordination Request (Article 9)
Ad
min
istratio
n A
A Coordination Req. (9.29/9.31)
Ack. of receipt (9.45)
4 Months
Notify Adm B’s system (9.52, 11.2/11.9)
if Disagreement (9.51A/9.52) • Adm B’s assignment ** • Suggestion for resolution
Technical Exam (9.50) • Collect existing/planning system • Inside Coordination Contours
Req. additional Info (9.54)
Notify Adm B’s system (9.52B, 11.2/11.9)
if Agreement (9.51A)
Assistance Req. - No reply/decision from Adm B (9.33/9.46/9.60)
ITU
Send Notification (11.2)
Coordination & Notification
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3 Things (Planning Adm A) on Coordination of Earth Station
1. Define Affected ADM (AP7) 1. Define Affected ADM (AP7)
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2. Send Request (AP4 & AP7) 2. Send Request (AP4 & AP7)
3. Coordinate (with mutual cooperation) 3. Coordinate (with mutual cooperation)
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3 Things (Requested Adm B) on Coordination of Earth Station
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1. Acknowledge the reception 1. Acknowledge the reception
2. Coordinate (with mutual cooperation) 2. Coordinate (with mutual cooperation)
3. Give an early decision 3. Give an early decision
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Question?
Answer
WRS
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