Spectrum Management System for Developing Countries (SMS4DC)
description
Transcript of Spectrum Management System for Developing Countries (SMS4DC)
1BR- Biennial seminar on SMS 30 October 3 November 2006
Spectrum Management System for Developing Countries (SMS4DC)
E-BehdadBDT/FOP/RCU
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Main Functions of SMS4DC
Administrative Functions Relational database management;
Recording frequency application, frequency assignment, licensing, coordination data, import data from BRIFIC & SRS
producing electronic notices, print license, invoice & spectrum fee
Security features: Multi level access enables system administrator to define users and groups with different access levels.
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Main Functions of SMS4DC
Engineering Analysis Function Enhanced analysis tools for frequency arrangement, assignment, coordination and interference calculation
Propagation models based on ITU-R latest recommendations available at the time of development, i.e. P.1546, P.370, P.530, P.452, P.526, Extended HATA models for various service types and P.618-8 for Earth to space total attenuation calculation; Coverage area, field strength, field strength contour, Microwave link calculations, Microwave link availability, network coverage and best server calculation.
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Main Functions of SMS4DC
Geographic Map Display Function
User friendly interface, displaying of Digital Terrain Model, capability of importing standard mapping formats including Globe map and displaying of geographical maps,
Online latitude, longitude and altitude presentation, overlaying, Scrolling and Zooming functionality capability of handling vectors,
Providing multiple entry functions, menu items, Assigning new stations on map and Searching and displaying a station or group of stations on map.
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User View of Data (terrestrial)
1:1
1:n
Name, address, contact and classification
Effective height
Owner
License
Station
Equipment
Antenna Frequency
Pattern
1:n
1:n
1:n
1:n 1:n
License ID, status, duration and etc.
Station name, location, type and etc.
Assigned frequency, reference frequency, bandwidth and etc.
Name, model, radiated power, serial number and etc.
Name, gain, pattern, Beamwidth, and etc.
Azimuth and effective height
1:1
InvoicesPayments
1:n
Link
1:nReceiving area information
Coordination1:n Coordinated
administrations
Filter1:1
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User View of Data (earth stations)
1:n
1:n
Name, address, contact and classification
Emission
Owner
License
Station
Beam
Antenna Group
Filter
1:n
1:n
1:n
1:1 1:n
License ID, status, duration and etc.
Station name, location, type and etc.
Bandwidth, polarization and etc.
Name, gain, beamwidth and etc.
Pattern and coefficients
Designation of emission, power
1:1
Horizon Elevation
Min. Elevation
Angles
1:n
Frequency1:n Assigned
frequencies
Coordination1:n Coordinated
administrations
Class of station
1:n
1:n
InvoicesPayments
1:n
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Flow of Administrative Data Entry
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Supervisory tasks
• User access • Audit control• Backup/Restore
Samples of SMS4DC’s Administration Functions
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Data capture screens
Samples of SMS4DC’s Administration Functions
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Samples of SMS4DC’s Administration Functions
Fixed/Base Station InformationData Entry Table
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Samples of SMS4DC’s Administration FunctionsMobile Station Information
Data Entry Table
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Samples of SMS4DC’s Administration FunctionsBroadcasting Station Information
Data Entry Table
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Samples of SMS4DC’s Administration Functions
Dialog box for importing data from BRIFIC
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Electronic notices
Fixed, Land mobile, Broadcasting Earth station
Samples of SMS4DC’s Administration Functions
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Sample of SMS4DC’s Engineering FunctionsInternational & National frequency allocations table (chart)
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Sample of SMS4DC’s Engineering FunctionsFrequency arrangement (Homogeneous)
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Sample of SMS4DC’s Engineering FunctionsFrequency arrangement (Uniform & non Uniform)
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Sample of SMS4DC’s Engineering FunctionsFrequency assignment parameters & EMC analysis results
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Sample of SMS4DC’s Engineering FunctionsPath profile with Fresnel Zone
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Sample of SMS4DC’s Engineering Functions
Link Calculation Dialog box using different propagation models
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The finest grid in “Antenna Editor” dialog box
Sample of SMS4DC’s Engineering Functions
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Spreadsheet of stations
Effective height calculation
result
Sample of SMS4DC’s Engineering Functions
Selected station
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Area calculation using ITU-R P.1546 propagation model
Sample of SMS4DC’s Engineering Functions
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Network Processor : Maximum Field Strength
Sample of SMS4DC’s Engineering Functions
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Network Processor : Best Server
(b) Okumora-Hata propagation model (a) Free-Space propagation model
Sample of SMS4DC’s Engineering Functions
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Coverage Area calculation
E > Threshold Value
E < Threshold Value
Sample of SMS4DC’s Engineering Functions
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Interference calculation BC to BC
Sample of SMS4DC’s Engineering Functions
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Interference calculation BT to BT
Sample of SMS4DC’s Engineering Functions
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• CBR: Locus of points with identical distance to the border along the line to TX
• X-km: Locus of points with identical distance to the nearest point of border
CBR
CBR
x km
x km
Sample of SMS4DC’s Engineering FunctionsUser define agreement
Cross Border Range (CBR) & X-Km
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Xkm Line
Cross Border Range (CBR)
CBR and X-km in SMS4DCCBR and X-km in SMS4DCBorder
Sample of SMS4DC’s Engineering Functions
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drawing line from database
Sample of Geographic Map Display functions
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Topographical map of a selected area (Globe30), relevant 3D view and vector overload
Sample of Geographic Map Display functions
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3D view of a selected area
Dialog box to adjust visualeffects of 3D view
Sample of Geographic Map Display functions
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Field Strength along a line
Sample of Geographic Map Display functions
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Overlay possibility
Sample of SMS4DC’s Engineering Functions
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Sample of Geographic Map Display functionsOverlay possibility
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Thank you