Some of the fundamentals of laser satellite communications such as systems and technologies necessary to design laser satellite communication systems are presented in this chapter. Various types of GEO and LEO orbits for various optical links are explained necessary to establish all-optical global communications and connectivity. Essential results of optical propagation theory relevant to laser satellite communication are analyzed with emphasis on uplink and downlink wave models. A new technology concept for remote sensing of scintillation index is described. Laser communication technologies and link design fundamentals are discussed. The relation between average signal-to-noise ratio (SNR) and average bit error rate (BER) necessary for establishing laser satellite links is explained with an example of high-altitude platform (HAP) to HAP optical link. This chapter provides a background and a solid foundation to move on to the understanding of laser satellite constellation in the next few chapters.
Laser Satellite Communications: Fundamentals, Systems, Technologies, and Applications
Laser Communication with Constellation Satellites, UAVs, HAPs and Balloons ; Kapitel : 3 ; 63-95
2022-06-25
33 pages
Aufsatz/Kapitel (Buch)
Elektronische Ressource
Englisch
Laser satellite communications , All-optical global communication , Optical propagation theory , Scintillation index , SNR-BER , HAP-to-HAP optical link Engineering , Microwaves, RF and Optical Engineering , Communications Engineering, Networks , Optics, Lasers, Photonics, Optical Devices , Optical and Electronic Materials
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