What is the most critical knowledge/skill for a general "Network Expert" to become a "Wi-Fi Network Expert"?

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  • Updated 4 years ago
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Phillip Zhou

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Posted 4 years ago

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alfmckim

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I would say RF theory.
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Hans Matthé

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I agree with alfmckim
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Martin Ericson

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I would say Arbitration! Everything is about Can i or AP transmit when I want as fast as i want with no errors in the cell i am in. This will touch, priority, capacity, speed, interference etc.You name it.
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Phillip Zhou

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Very interesting. Looks like the WiFi technology has not been as mature enough as wired networking so it still need a lot of Theory and Experience instead of simple "standards" or protocols.
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Raymond Hendrix

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It is mature, but operates in a public space called ether.. therefore different rules apply.
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Crowdie, Champ

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I agree that understanding how radio signals operate and are affected by the environment is the basis of everything we do.
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David Coleman, Official Rep

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You have to learn RF first but there is so much about Wi-Fi that needs to be learned. RF theory, 802.11 MAC layer, medium contention, coverage vs. capacity for WLAN design. Troubleshooting, SITE SURVEYS, integration.  That is why I always recommended starting with CWNA which lays a good foundation for all of these topics
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Crowdie, Champ

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I agree with you David but the RF is the basis.  When I first started doing wireless installs we were using Proxim 2 Mbps spread spectrum access points with none of the modern niceties such as layer three roaming.  There were no site survey applications so we used floor plans and multi-coloured marker pens.  Looking back we really didn't know what we were doing but somehow it worked.  We would have killed for the CWNP programme back then :-) 

I still find it funny that everybody is turning the 802.11b data rates off to improve performance as I remember when 11 Mbps access points arrived in the market and we all thought they were so, so fast :-)

I strongly recommend getting a mentor who has wireless experience.  You just can't beat experience.
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