Detection of on-off keying over weak atmospheric turbulence channels in free-space optics

2015 ◽  
Author(s):  
Sanjeev Gurugopinath
Keyword(s):  
Atmospheric Turbulence ◽  
Free Space ◽  
Free Space Optics ◽  
Space Optics

Realization of free space optics with OFDM under atmospheric turbulence

Optik ◽  
2014 ◽  
Vol 125 (18) ◽  
pp. 5196-5198 ◽  
Author(s):  
Sushank Chaudhary ◽  
Angela Amphawan ◽  
Kashif Nisar
Keyword(s):  
Atmospheric Turbulence ◽  
Free Space ◽  
Free Space Optics ◽  
Space Optics

scholarly journals Free Space Optics: Current Applications and Future Challenges

2015 ◽  
Vol 2015 ◽  
pp. 1-7 ◽  
Author(s):  
Aditi Malik ◽  
Preeti Singh
Keyword(s):  
Atmospheric Turbulence ◽  
Free Space ◽  
Outer Space ◽  
Weather Conditions ◽  
Optical Signal ◽  
Free Space Optics ◽  
Successful Transmission ◽  
Space Optics ◽  
Future Challenges ◽  
High Bandwidth

FSO is a communication system where free space acts as medium between transceivers and they should be in LOS for successful transmission of optical signal. Medium can be air, outer space, or vacuum. This system can be used for communication purpose in hours and in lesser economy. There are many advantages of FSO like high bandwidth and no spectrum license. The transmission in FSO is dependent on the medium because the presence of foreign elements like rain, fog, and haze, physical obstruction, scattering, and atmospheric turbulence are some of these factors. Different studies on weather conditions and techniques employed to mitigate their effect are discussed in this paper.

scholarly journals A Survey of Free Space Optics (FSO) Communication Systems, Links, and Networks

IEEE Access ◽  
2020 ◽  
pp. 1-1
Author(s):  
Samir A. Al-Gailani ◽  
Mohd Fadzli Mohd Salleh ◽  
Ali A. Salem ◽  
Redhwan Q. Shaddad ◽  
Usman Ullah Sheikh ◽  
...  
Keyword(s):  
Free Space ◽  
Communication Systems ◽  
Free Space Optics ◽  
Space Optics
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