High data rate x-band transmitter for low Earth orbit satellites

Details High data rate x-band transmitter for low Earth orbit satellites High data rate x-band transmitter for low Earth orbit satellites

Nov 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004esasp.571e..59s&link_type=abstract

Proceedings of The 4S Symposium: Small Satellites, Systems and Services (ESA SP-571). 20 - 24 September 2004, La Rochelle, Franc

Computer Science

Performance

Scientific paper

Small satellite communication systems require high data rate, high-efficiency and simple transmitters, without sacrificing efficiency and linearity depending on the modulation scheme. Main purpose of this study is to design a low power, simple and low weight transmitter with data rates up to 100 Mbps, BPSK/QPSK/OQPSK modulation and 7W output power at 8.2 GHz for low earth orbit (LEO) satellites in order to satisfy the high data rate demand. Output power of the transmitter is chosen to be 7W (38.5 dBm), which satisfies the link budget for LEO at 680 km and BER performance of 1e-6 .

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