Coordination of Earth Stationswith respect to terrestrial stations /

other earth stations

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)

2

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)

3

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

4

Frequency Study

5

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

6

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

7

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

8

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

9

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

10

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.

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)

12

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

13

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

14

*

AP4 data - AP7 Capture (Exercise Purpose)

*

* The associated Space Station should be notified and the beam should be matched.

Sending Information

15

16

AP4 data - SpaceCap (for Coordination & Notification)

Sending Information

16

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

17

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

18

, 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

19

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

20

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

21

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

22

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

23

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)

24

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

25

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

26

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

27

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

28

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

29

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

3 Things (Planning Adm A) on Coordination of Earth Station

1. Define Affected ADM (AP7) 1. Define Affected ADM (AP7)

31

2. Send Request (AP4 & AP7) 2. Send Request (AP4 & AP7)

3. Coordinate (with mutual cooperation) 3. Coordinate (with mutual cooperation)

3 Things (Requested Adm B) on Coordination of Earth Station

32

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

Question?

Answer

WRS

33