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First Mile Access Networks and Enabling Technologies
book

First Mile Access Networks and Enabling Technologies

by Ashwin Gumaste, Tony Antony
February 2004
Intermediate to advanced
312 pages
8h 49m
English
Cisco Press
Content preview from First Mile Access Networks and Enabling Technologies

Review Questions

1:How is FSO different from wireless communication?
2:What is the benefit of FSO as compared to WiFi?
3:What is the key limitation to FSO communication?
4:List application environments (such as enterprise networks) that can deploy FSO communication.
5:List the laser requirements for FSO communication.
6:Under ideal atmospheric conditions, if we have a laser that outputs 50 mw of light at 850 nm, what is the maximum distance at which a receiver can be placed? (Assume receiver sensitivity to be –25 dB and a suitable atmospheric loss.)
7:For the same problem as listed in Question 6, if it starts to rain, and rain accounts for an extra 70 percent attenuation, how will you compensate for the extra attenuation? Describe a compensation technique ...
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Publisher Resources

ISBN: 158705129XPurchase book