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<span style="font-size: 20px; font-weight: bold;
color: rgb(0, 0, 0); font-family: arial;
line-height: 110%;">OPLIN 4cast #379: More Wi-Fi</span><br>
<!-- Make sure you modify the date of the 4Cast in this section -->
<span style="font-size: 11px; font-weight: normal;
color: rgb(102, 102, 102); font-style: italic;
font-family: arial;">April 2nd, 2014</span></p>
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<p style="text-align: justify;font-size: 16px;
font-family: arial; line-height: 110%;"><img
alt="Wi-Fi library symbol"
src="cid:part4.07070400.02000009@oplin.org"
align="left" height="90" width="90">On Monday,
the FCC <a
href="http://www.fcc.gov/document/fcc-increases-5ghz-spectrum-wi-fi-other-unlicensed-uses">announced</a>
that they would expand the amount of broadcast
spectrum available for use by Wi-Fi devices in
order to reduce Wi-Fi congestion at hot spots like
"...convention centers, parks, and airports..."
[and libraries, too]. This is an important change,
since cellular wireless companies are increasingly
<a
href="http://www.cnet.com/news/sprint-adds-wi-fi-calling-to-improve-voice-coverage/">offloading</a>
part of their traditional cellular traffic onto
Wi-Fi hotspots. The latest Cisco Visual Networking
Index Global Mobile Data Traffic <a
href="http://www.cisco.com/c/en/us/solutions/collateral/service-provider/visual-networking-index-vni/white_paper_c11-520862.html">Forecast</a>
anticipates that over half of global mobile
traffic will be offloaded onto Wi-Fi by 2018.
Maybe it's time to upgrade your wireless routers.
</p>
<div> </div>
<ul style="text-align: left;">
<li style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;"><a
href="http://www.pcmag.com/article2/0,2817,2455749,00.asp">FCC
Frees Up Spectrum to Boost Wi-Fi Speeds</a>
(PCMAG/Chloe Albanesius) "Specifically, the
commission voted to free up 100 MHz of spectrum
in the 5 GHz band. Gadgets currently operate in
555 MHz of the 5 GHz band, so the move provides
a bit more breathing room and should ease
congestion. Devices that operate in the 5 GHz
band include Wi-Fi hotspots and wireless home
local area networks. The agency also removed an
indoor-only restriction, which will support
deployment of outdoor Wi-Fi hotspots."</li>
<li style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;"><a
href="http://gigaom.com/2014/03/31/open-up-your-routers-fcc-boosts-spectrum-available-to-wi-fi-by-15-percent/">Open
up your routers: FCC boosts spectrum available
to Wi-Fi by 15 percent</a> (GigaOM/Kevin
Fitchard) "The airwaves in the 5 GHz band have
always been unlicensed, but they've had much
more stringent rules attached to them to prevent
devices from interfering with other users,
specifically government telemetry networks and
Globalstar's satellite ground links. In 2013,
though, the Defense Department said it no longer
needed the band. Earlier this year Globalstar
reached an agreement with the FCC that would
open the band up to both satellite and Wi-Fi
use, clearing the way for today's decision."</li>
<li style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;"><a
href="http://arstechnica.com/tech-policy/2014/03/more-wi-fi-is-better-fcc-expands-use-of-5-ghz-spectrum/">More
Wi-Fi is better: FCC expands use of 5GHz
spectrum</a> (Ars Technica/Cyrus Farivar)
"With this change, the agency says that Wi-Fi
routers will be able to handle more traffic at
higher speeds. At present, Wi-Fi only occupies
part of the 2.4GHz and 5GHz bands. [...] The
Wi-Fi Alliance did not immediately respond to
Ars' query about when consumers could expect new
products that would take advantage of this
increased capability."</li>
<li style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;"><a
href="http://www.rcrwireless.com/article/20140331/spectrum/unlicensed-wi-fi-services-set-for-100-megahertz-boost/">Unlicensed,
Wi-Fi services set for 100 megahertz boost</a>
(RCRWireless/Dan Meyer) "Unlicensed spectrum
uses are currently tied to 555 megahertz in the
5 GHz band, though there are limitations for
indoor use only. The Wi-Fi usage in that band is
typically signified by the 802.11a standard. The
FCC said the modified rules will remove the
indoor-only restriction and provide more access
in the 5.15-5.25 GHz band and allow the Wi-Fi
industry greater leeway in implementing the <a
href="http://www.rcrwireless.com/article/20130620/chips/wi-fi-alliance-certifies-6-chip-designs-5g-wi-fi/">802.11ac
standard</a>, which accesses both the 2.4 GHz
and 5 GHz bands."</li>
</ul>
<div style="text-align: left;"> </div>
<p style="text-align: left; font-size: 20px;
font-family: arial; line-height: 110%;"><small><strong><em>802.11ac
fact:</em></strong></small><br>
</p>
<div style="text-align: justify; font-size: 16px;
font-family: arial; line-height: 110%;">If you
have no idea what "802.11ac" means, Pocketnow's
Joe Levi has posted a nice <a
href="http://pocketnow.com/2014/04/01/5ghz-versus-2-4ghz">discussion</a>
of the various wireless networking standards.
</div>
<div style="text-align: left;"> </div>
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