전자공학회논문지A (Journal of the Korean Institute of Telematics and Electronics A)
- 제30A권4호
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- Pages.28-39
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- 1993
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- 1016-135X(pISSN)
교란 대기하에서 광위성통신용 광헤테로다인 수신기 최적 설계에 관한 연구
The Optimum Design of Optical Heterodyne Receiver used on Optical Sate Ilite Communication under Turbulent Atmosphere
초록
In the international BISDN used satellite, the laser that has large BW has to be used as a carrier for transmitting a lot of visual, vocal, and data information. Interoptical satellite communication has now developed in theoretical and practical aspects. But the optical communication, between satellite and earth station, is hindered by atmospheric absorption, scattering, and turbulence. In this paper, it was supposed that 1Gbps information was transmitted by binary FSK and 50mW AlGaAs semiconductor laser was used as a optical source in the satellite communication link between geosynchronous orbit satellite and earth station. We analyzed the BER and the entire diameter of the noncoherently combined optical heterodyne receiver as el evation angle, and determined the number of the optical heterodyne rece ivers, which is necessary for the BER of the receiver to be less than 10
키워드