We have a very long / continuous planning horizon: it's not only the cabling to 
the AP that needs a boost, but the installation of 220V circuits to the PoE 
switches to support UPOE/POE+/4PPoE. (because a regular 120V outlet isn't going 
to cut it). I had to ask for electrical improvements last October for 
installation sometime after July of this year and there is no guarantee I'll 
get what I asked for or when it will get installed.

In recently constructed buildings the cabling will support power and M-gig 
networking these AP might need (but those buildings will be at the end of the 
cycle as I'd like to be at least at 802.11ac everywhere). In our phased 
lifecycle plan we're including replacing the AP cabling for support this (but 
not the wall-port cabling as we see more of a move to wireless devices).

Finally, given the expected fiscal impact of Covid-19 on the institution I do 
not expect to see any move to this on our campus in the next ~18 months - maybe 
after July 2021 (end of the next fiscal year)


Richard Letts
Director, Networking and Telecommunications
ITaP Infrastructure Services
Purdue University
[email protected]<mailto:[email protected]>
O: 765-496-1663
C: 206-790-5837

From: The EDUCAUSE Wireless Issues Community Group Listserv 
<[email protected]> On Behalf Of Rios, Hector J
Sent: Friday, April 24, 2020 10:16 AM
To: [email protected]
Subject: [WIRELESS-LAN] Are You Ready for WiFi6E

Now that the FCC has approved the 6GHz band, I wonder what others are doing in 
terms of planning. There is a lot to think about and unlike prior 
announcements, this one really is a game changer. Here are some thoughts:

*Vendors should be rushing to make APs and make them available possibly this 
year.
*The assumption is that the new radios will be tri radios. I'm sure vendors 
will get creative.
*More radios chains and more features (BLE, USB, Zigbee) mean more power needs.
*Faster more efficient technology means faster speeds required: 2.5G/5G.
*Will your existing infrastructure be capable to handle the new technology? 
Today, most likely not.
*If in the middle of a lifecycle, do you continue or do you wait?

For those that are super excited, here are some last things to think about:

Higher modulations require higher levels of SNR. Higher frequencies have 
shorter wavelengths and more trouble getting through objects. Bonding channels 
raises your noise floor and also requires higher receiver sensitivity. There 
are a ton of other things to consider. What say you?

Regards,

Hector Rios
The University of Texas at Austin



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