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Full Description
Free Space Optical (FSO) Communication uses light propagation in free space (air, outer space, and vacuum) to wirelessly transmit data for telecommunications and communication networking. FSO Communication is a key wireless and high-bandwidth technology for high speed large-capacity terrestrial and aerospace communications, which is often chosen as a complement or alternative to radio frequency communication. The propagating optical wave can be influenced negatively by random atmospheric changes such as wind speed, temperature, relative humidity, and pressure, thermal expansion, earthquakes, and high-rise buildings. This edited book covers the principles, challenges, methodologies, techniques, and applications of Free Space Optical Communication for an audience of engineers, researchers, scientists, designers, and advanced students.
Contents
Chapter 1: Introduction to free space optical (FSO) communications
Chapter 2: Free-space optical communication over strong atmospheric turbulence channels
Chapter 3: Performance analysis and mitigation of turbulence effects using spatial diversity techniques in FSO systems over combined channel
Chapter 4: Link budget for a terrestrial FSO link and performance of space time block codes over FSO channels
Chapter 5: FSO channel—atmospheric attenuation and refractive index (Cn2) modeling as the function of local weather data
Chapter 6: Spectral analysis and mitigation of beam wandering using optical spatial filtering technique in FSO communication
Chapter 7: Characterization of atmospheric turbulence effects and their mitigation using wavelet-based signal processing
Chapter 8: All-optical relay-assisted FSO systems
Chapter 9: Optical spatial diversity for FSO communications
Chapter 10: Analysis of the effects of aperture averaging and beam width on a partially coherent Gaussian beam over free-space optical communication links
Chapter 11: Relaying techniques for free space optical communications
Chapter 12: Experimental test of maximum likelihood thresholds based on Kalman filter estimates in on-off keyed laser communications in atmospheric turbulence
Chapter 13: Signal encryption strategies based on acousto-optic chaos and mitigation of phase turbulence using encrypted chaos propagation
Chapter 14: Distributed sensing with free space optics
Chapter 15: Quantum-based satellite free space optical communication and microwave photonics
