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At the MakerSpace-Urbana, we hold a weekly Mesh-Wifi Reading Group
Thursdays from 7-9PM<br>
(Central Time), where we discuss the book, "Wireless in the
Developing World"<br>
<a class="moz-txt-link-freetext" href="http://wndw.net">http://wndw.net</a> Where the "Developing World" can be whatever
corner of the world you<br>
wish to develop -- Your own back yard in Urbana, IL or Detroit, MI,
for example.<br>
<br>
Free download: <a class="moz-txt-link-freetext" href="http://wndw.net/download.html">http://wndw.net/download.html</a><br>
<br>
"The goal of the WNDW project is to help everyone get the resources
they need to build wireless networks that solve real communication
problems."<br>
<br>
See also: The WNDW wiki <a class="moz-txt-link-freetext" href="http://wiki.wndw.net">http://wiki.wndw.net</a><br>
WirelessU.org, an online repository for training materials<br>
<a class="moz-txt-link-freetext" href="http://wirelessu.org">http://wirelessu.org</a><br>
<br>
Cheers,<br>
<br>
-Stewart<br>
<br>
On 12/26/11 1:12 PM, Eric Stein wrote:
<blockquote cite="mid:1324926753.1140.5.camel@Nokia-N900-42-11"
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<p>unlicensed band = don't contact the FCC because it is
definitely none of their business.
<br>
<br>
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> <br>
> ObDisclaimer: I'm one of the developers of Project
Byzantium.
<br>
> <br>
> > I am looking to build a mesh network in chicago, The
way we are
<br>
> > planning to do it is, we have an uplink set up in a
datacenter
<br>
> > downtown with a 100mbit connection, and a place for
the antenna on
<br>
> > the building that will go across the street to the 1st
hop, which
<br>
> > will then have several point to point links to the
greater mesh
<br>
> > network. So the plan is
<br>
> <br>
> That sounds like a good first draft of your backhaul.
Good.
<br>
> <br>
> > primarily to have many meshes, probably about 20, each
with ~8
<br>
> > wireless
<br>
> <br>
> When you say 'mesh', do you mean a true peer-to-peer
wireless mesh, or
<br>
> are you using 'mesh' to describe your architecture of
backhauls and
<br>
> access point for clients? What mesh routing protocol are
you
<br>
> considering using? Which have you tried deploying? What
is the
<br>
> hardware and software of your expected client base?
<br>
> <br>
> > routers, which are connected via point to point
bridges. None of
<br>
> > this is commercial, so we will not be worrying about
things like
<br>
> > zoning fr the antennas since they will all be on
private
<br>
> > properties. My question is,
<br>
> <br>
> I've heard it said that perhaps you should contact the FFC
to see what
<br>
> they think of this because they may take a negative
interest in your
<br>
> repurposing bits of the consumer unlicensed spectrum for a
project of
<br>
> this size.
<br>
> <br>
> > does this sound like a good plan, and if so, what
specific
<br>
> > hardware should be looking to use ?
<br>
> <br>
> That's going to be a difficult question to answer because
much of our
<br>
> work has to do with repurposing and modifying off-the-shelf
equipment.
<br>
> <br>
> What I can say is that wok-fi (<a moz-do-not-send="true"
href="https://en.wikipedia.org/wiki/WokFi">https://en.wikipedia.org/wiki/WokFi</a>)
<br>
> works pretty well for long-haul links between nodes. You
should
<br>
> probably consider mounting your antennae under overhangs of
some kind
<br>
> to give them some protection from the elements. If you can
hide a
<br>
> whole node's hardware under an overhang to protect it from
rain and
<br>
> snow, so much the better.
<br>
> <br>
> What are your power requirements looking like? How do you
plan on
<br>
> powering individual nodes?
<br>
> <br>
> > Please be specific as in technically specific (5ghz
16.5dbi yagi <br>
> > antenna) or list the manufacturer/link to hardware
that is being
<br>
> > suggested.
<br>
> <br>
> I don't want to assume, but my guess would be that you're
going to use
<br>
> 802.11g links for your backhaul? Are you going to encrypt
the
<br>
> backhauls or not?
<br>
> <br>
> - -- <br>
> The Doctor [412/724/301/703]
<br>
> <br>
> PGP: 0x807B17C1 / 7960 1CDC 85C9 0B63 8D9F DD89 3BD8 FF2B
807B 17C1
<br>
> WWW: <a moz-do-not-send="true"
href="https://drwho.virtadpt.net/">https://drwho.virtadpt.net/</a>
<br>
> <br>
> "Apathy is suicide and we will bear the blame!"
--Psykosonik
<br>
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