Mitigation of scintillation for high data rate communications links

Details Mitigation of scintillation for high data rate communications links Mitigation of scintillation for high data rate communications links

Jun 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989spie.1059...10d&link_type=abstract

IN: Space sensing, communications, and networking; Proceedings of the Meeting, Los Angeles, CA, Jan. 16-18, 1989 (A90-31926 13-1

Physics

Equalizers (Circuits), Ionospheric Propagation, Radio Communication, Reception Diversity, Scintillation, Signal Fading, Bit Error Rate, Intersymbolic Interference, Ionospheric Disturbances, Linear Filters, Magnetohydrodynamic Stability, Matched Filters

Scientific paper

The use of multiple small antennas to collect signal energy (taking into consideration scintillation parameters and effects), and an adaptive equalizer to coherently combine this energy is examined. The results show that spatial diversity can be utilized in a high data rate link by using multiple separated smaller antennas (separations on the order of the maximum decorrelation distance are necessary to take advantage of the spatial diversity) and a spatial/delay equalizer with one feedforward section for each antenna. The equalizer then coherently combines the signals out of the multiple antennas.

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