Journal
RADIOENGINEERING
Volume 23, Issue 1, Pages 165-174Publisher
SPOLECNOST PRO RADIOELEKTRONICKE INZENYRSTVI
Keywords
Space deployed phased array antenna; beam steering; DSP software defined radio modem; embedded FPGA channel coding
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Funding
- Department of Economy, Science and Innovation (EWI) of the Flemish government
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Deployment of a satellite borne, steerable antenna array with higher directivity and gain in Low Earth Orbit makes sense to reduce ground station complexity and cost, while still maintaining a reasonable link budget. The implementation comprises a digitally beam steerable phased array antenna integrated with a complete system, comprising the antenna, hosting platform, ground station, and aircraft based satellite emulator to facilitate convenient aircraft based testing of the antenna array and ground-space communication link. This paper describes the design, development and initial successful interim testing of the various subsystems. Due to the increase in signal level, our two-element prototype raises the signal-to-noise ratio (SNR) by about 3 dB which is corresponding to a more than 10 times better bit error rate (BER).
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