1 How to design or select an antenna? Communications Crosslink scientific/housekeeping data (emitter & receiver sat) G/S link scientific data (emitter.

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Presentation transcript:

1 How to design or select an antenna? Communications Crosslink scientific/housekeeping data (emitter & receiver sat) G/S link scientific data (emitter sat) G/S link housekeeping data (emitter sat) G/S link housekeeping data (receiver sat)

2 How to design or select an antenna? Crosslink scientific/housekeeping data Two way links Frequency: 2 GHz (S-band) Max. data rate: 1.62 Mbps Max. distance: 261 km Modulation: QPSK Design parameters

3 How to design or select an antenna? Crosslink scientific/housekeeping data S-band Transceiver 10 Mbps Max. output 5 Watt 1 kg S-band patch antenna 82x82x20mm 80g 4 dBi Hardware

4 How to design or select an antenna? Crosslink scientific/housekeeping data Input power transceiver: 12 W Output power transceiver: 5W Required Eb/N0 ratio: 9.6 dB Margin: 1.76 dB Link budget

5 How to design or select an antenna? G/S link scientific data One way link Frequency: 8.2 GHz (X-band) Max. data rate: 150 Mbps Max. distance: 1000 km Modulation: QPSK Design parameters

6 How to design or select an antenna? G/S link scientific data X-band Transmitter 500 Mbps Max. output 6 Watt 1.1 kg X-band phased array 330x305x74mm 5.5 kg dBi Hardware

7 How to design or select an antenna? G/S link scientific data Input power transceiver: 30 W Output power transceiver: 5W Required Eb/N0 ratio: 9.6 dB Margin: 29.3 dB Link budget

8 How to design or select an antenna? G/S link housekeeping data Two way link Frequency: 2 GHz (S-band) Max. data rate: 20 kbps Max. distance: 1000 km Modulation: QPSK Design parameters

9 How to design or select an antenna? G/S link housekeeping data S-band Transceiver 10 Mbps Max. output 5 Watt 1 kg S-band patch antenna 82x82x20mm 80g 4 dBi Hardware

10 How to design or select an antenna? G/S link housekeeping data Input power transceiver: 12 W Output power transceiver: 5W Required Eb/N0 ratio: 9.6 dB Margin: dB Link budget

11 How to design or select an antenna? G/S link housekeeping data (backup) Input power transceiver: 12 W Output power transceiver: 5W Required Eb/N0 ratio: 9.6 dB Margin: dB Link budget

12 How to design or select an antenna? Total masses & Power consumption EmitterReceiver Mass [kg]10.53 Power [W]4212