Satlink Tool : A tool for analysing GEO Satcom¶

INTRODUCTION¶

PURPOSE¶

The objective of this work is develop a comprehensive tool in LabVIEW that will offer to the students the ability to test different satellite links, and derive the end-to-end system performance. This software will be able to, from a set of input parameters, creatively show the expected link budget of the satellite in terms of determinate parameters like EIRP, G/T, BER.

Delimitation of system boards¶

This project is based in some pre-definitions which edged its application. These limitations are listing below:

...to fulfill


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PARAMETERS SKETCH¶

1. System Geometry
1.1. Inputs
1.1.1. Station A
1.1.1.1. Latitude A
1.1.1.2. Longitude A
1.1.2. Satellite
1.1.2.1. Latitude Sat
1.1.2.2. Longitude Sat
1.1.2.3. Height Sat (default GEO: 35786 Km)
1.1.3. Station B
1.1.3.1. Latitude B
1.1.3.2. Longitude B
1.2. Outputs
1.2.1. Uplink (A-Sat)
1.2.1.1. Azimuth angle
1.2.1.2. Elevation angle
1.2.1.3. Maximum range (km)
1.2.2. Downlink (Sat-B)
1.2.2.1. Azimuth angle
1.2.2.2. Elevation angle
1.2.2.3. Maximum range (km)
1.2.3. Map with positions

2. Uplink
2.1. Inputs
2.1.1. Frequency Uplink
2.1.2. Station A antenna parameters
2.1.2.1. Diameter
2.1.2.2. Aperture efficiency
2.1.2.3. Tx power at the feed (W)
2.1.2.4. Tx Bandwidth
2.1.2.5. Antenna pointing loss
2.1.3. Satellite receiver antenna parameters
2.2. Outputs
2.2.1. Uplink path loss (dB)
2.2.2. Uplink pdf at satellite (dBW/m^2)
2.2.3. Uplink antenna transmit gain (dBi)
2.2.4. Tx EIRP (dBW)
2.2.5. Uplink C/N (dB)

3. Payload
3.1. Inputs
3.1.1. Transparent/Regenerative
3.1.2. Multispot/Regional spot

4. Downlink
4.1. Inputs
4.1.1. Frequency Downlink
4.1.2. Station B antenna parameters
4.1.2.1. Diameter
4.1.2.2. Aperture efficiency
4.1.2.3. Antenna pointing loss
4.1.2.4. Downlink system noise temperature
4.1.2.5. Downlink satellite EIRP (dBW)
4.1.3. Satellite transmitter antenna parameters
4.2. Outputs
4.2.1. Downlink path loss
4.2.2. Downlink receive antenna gain (dBi)
4.2.3. Downlink receive antenna G/T (dB/K)
4.2.4. Downlink C/N (dB)

5. Service
5.1. Debit

6. Results
6.1. outputs
6.1.1. Summary?
6.1.2. Downlink C/N (dBHz)
6.1.3. Overall downlink C/No (dBHz)
6.1.4. Available Eb/No
6.1.5. Available link margin

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