Transmission Opitimization

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Presentation transcript:

Transmission Opitimization January 22, 2009 [John Dixon] [Group Lead] [Communications]

Lander to Earth Transmission Distance from 200 km Parking Orbit to 440,000 km of Moon at Apogee Minimum Power: 33 W Frequency: 2.2 GHz (S-Band Range) Transmit Satellite: 0.191 m Receiver Satellite: DSN 26 m Data Rate: 51.2 kbps [John Dixon] [Group Lead] [Communications]

Rover to Lander Transmission Distance from 0 m Lander to 500 m Maximum Travel Minimum Power: Open Condition Frequency: 2.2 GHz (S-Band) Transmit Satellite: 0.381 m Receiver Satellite: Lander 0.2 m Data Rate: 51.2 kbps [John Dixon] [Group Lead] [Communications]

Beamwidth Optimization (Backup) [John Dixon] [Group Lead] [Communications]

Optimization Coding (Backup) MATLAB Scripts For: Lander Beamwidth Lander Power Reqs Lander Distance Reqs Rover Beamwidth Rover Power Reqs Rover Distance Reqs [John Dixon] [Group Lead] [Communications]

Resources (Backup) [John Dixon] [Group Lead] [Communications] "Deep Space Network Home Page." Interplanetary Network Directorate (IND). Ed. Shannon McConnell. 03 Dec. 2008. NASA. 21 Jan. 2009 <http://deepspace.jpl.nasa.gov/dsn/>. Duncan, John. "TELECOMMUNICATIONS." Telecommunications. Aug. 2002. 21 Jan. 2009 <http://www.apollosaturn.com/asnr/p173-188.htm>. [John Dixon] [Group Lead] [Communications]