G Graphical I Interference M Management S System

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G GraphicalI InterferenceM ManagementS
System
Version 5.4 SRS CD 2005-1
Veronica Román, BR/IAP/STS
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What Can You Do With GIMS ?
Geostationary satellites

• Manage databases
• View diagrams
• Create your own diagrams
• Handle GXT files
• Graphical Interference Management System
• Programming
• Help

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Antenna Gain Contours
AG/GSO Diagram
Service Area defined as a close contour
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Databases - I
REFDB
SRS CD
BRIFIC CD
UPDATE
Run update automatically
GIMS
Open REFDB automatically
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Databases - II
Database Manager Window Shows open DBsSwitch
between DBs
Context menu or DB Admin menu to get to
database management functionalities
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Databases - III
Open Database / REFDB Open/New in same
dialog Incremental Update DB Format Conversion
5.1
REFDB Setup Configure REFDB settings
Copy/Move diagrams Export all diagrams Update
notice level elements
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View Diagrams - I
Menu File Open
Browse criteria
Network level
Beam details
Available diagrams
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View Diagrams - II
GimsQry Application Menu DBAdmin GimsQry
Click, click
Fill in criteria
List of diagrams
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View Diagrams - III

• Usual windows-type interaction
• Cut/copy/paste/Drag and drop
• Line style / colors
• Undo/redo
• Map characteristics
• Projections
• Display borders
• GIMS-type interaction
• Zoom
• Click for selecting elements
• Double-click to get the properties (e.g.
  Contours gain)

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View Diagrams - IV
List of countries covered by contours
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View Diagrams - V
Copy Picture
MS Word MS Excel MS PowerPoint OpenOffice
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View Diagrams - VI
Overlapping Mode
Select diagrams to overlap
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Create Your Own Diagrams - I
Digitizer
Drawing on Paper
Personal DB
Simple diagrams e.g. global beams
Elliptical beams
REFDB
GXT File
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Create Your Own Diagrams - II

• Design your antenna !
• View GIMS as a SpaceCap equivalent for graphical
  data.
• Change the contour shape interactively.

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Create Your Own Diagrams - III
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Enter key elements
Select diagram type
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Filter
Complex diagrams (map recognition)
Simple diagrams
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Handle GXT Files - I
FormatInfo format_ver1 GeoMain admJ sat_name
JCSAT-2 long_nom154.0000 n_diag1 COHeader bea
m_idDCH emi_rcpE polar_discC reasonC n_bore1
n_cont9 B1 gain0.00 p119.030835.1593 C1 ga
in-2.00 n_point54 P1119.821431.1617 P2119.424
031.1030 P3118.975131.0469
Textual representation( Format Attachment 2 to
CR 58 ) Electronic Notification
Export
Import
Validation
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Handle GXT Files - II
GXT Processing
Validation Options
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Graphical Interference Management System I

• Gain tool interpolates gain at any location on
  the earth
• Contour generation using interpolation (nice with
  3db ellipse)
• PFD examination produces list of affected
  countries
• Appendix 30, Article 21
• WRC 2003

5.1
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Graphical Interference Management System II
Get the gain by clicking on the map Result in
status bar
Calculate Gain at given coordinates Generate a
contour of a given gain
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Graphical Interference Management System III
Contour generation
Elliptical beam (-3dB ellipse)
-2, -4, -6, -8, -10, -20 dB contours
Antenna Pattern
Also for shaped beams using interpolation
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Graphical Interference Management System IV
PFD Tool Click on map to get PFD
Access to input data dialog box
PFD Value at Point
PFD contour List of affected countries
Data required for PFD analysis e.g. maximum
gain, power
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Programming

• SHAPEDBM.DLL
• Gain interpolation
• GIMAPI32.DLL
• Browse REFDB
• Diagram data parsing
• Browse personal DBs
• Import/Export GXT files
• Save data into personal DBs

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Help - I

• On-line help
• Frequently asked questions
• Tutorials
• Data capture
• GXT validation

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Help - II
README
Introduction History of changes Link to
documentation FAQ
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