2. Outline of Presentation
Introduction
State of Art
Proposed Idea for IR- NLOS FSO Link
System Block Diagram
Gauging Transmission Distance
Performance Analysis
Conclusion
References
3. Introduction
Key FSO System Components:
Laser (Tx.) and Photo-detector (Rx.).
Communication Signal [1] :
Infrared laser : 780-850 & 1520-1600nm.
Communication Medium [2] :
Free space channel: Inter-stellar,
atmosphere & underwater.
Limitations of Terrestrial LOS Technology
Shadowing by intermittent obstacles :
Trees, Multi-stored Buildings
Localised atmospheric attenuation
Fog, Rain and Clouds
3
4. 4
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References
