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There have been many attempts to get to better A-GPS (assisted GPS)
<br>
using equipment like this one. Pseudolites
(<a class="moz-txt-link-freetext" href="http://en.wikipedia.org/wiki/Pseudolite">http://en.wikipedia.org/wiki/Pseudolite</a>)<br>
have been considered in research since the 1990s. The main problem
(as Steffen<br>
also surmises) is acceptance and market penetration. <br>
<br>
A-GPS became successful, when the "A-" came through surveyed (google
street-view <br>
cars) and crowd-sourced (clandestinely recording WiFi strengths seen
by Smartphones) <br>
information. <br>
<br>
More power to Locata if they think they can pull this off, but I
would not advise to invest <br>
too heavily in this company if this is their only approach :) <br>
<br>
Cheers,<br>
<br>
Tobias<br>
<br>
<br>
On 8/2/2011 11:58 AM, Saiph Savage wrote:
<blockquote
cite="mid:CAGEqvmJEqBqCNT2--i095scmYP4u0tkc0-1h_ErO6e5NRTWLbA@mail.gmail.com"
type="cite">
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">I
think its just using the same frequency as wifi, not the
802.11 protocol. Considering its an unlicensed band I’m kind
of surprised it can operate as far as it says it can. I would
think it would have to stick to pretty low power. I bet that
those boxes would have to have a pretty accurate clock if they
are using the GPS-like time of flight method of positioning,
so probably you couldn’t use just a re-purposed router.</span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="color: rgb(31, 73, 125);">I
think it won’t replace, like the xbox kinect or other motion
tracking stuff, unless it becomes more accurate. I would
think it would be useful for things like gps indoors where
it’s usually blocked.</span></p>
<br>
<br>
<div class="gmail_quote">On Tue, Aug 2, 2011 at 11:44 AM, Steffen
Gauglitz <span dir="ltr"><<a moz-do-not-send="true"
href="mailto:sgauglitz@cs.ucsb.edu">sgauglitz@cs.ucsb.edu</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
0.8ex; border-left: 1px solid rgb(204, 204, 204);
padding-left: 1ex;">
No: it doesn't deliver orientation.<br>
Plus, if it's using the same technology as WiFi, why can't we
use existing WiFi routers to do the same?<br>
Who would pay for installation of a fine-grained network of
yet another device everywhere... ? If so, they could
have/would have deployed a network of D-GPS stations already.<br>
<br>
My 2 cents
<div class="im"><br>
<br>
On 08/02/2011 11:34 AM, Jonathan Ventura wrote:<br>
</div>
<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt
0.8ex; border-left: 1px solid rgb(204, 204, 204);
padding-left: 1ex;">
<div class="im">
That is cool. It looks like it is not restricted to
indoors. Will this<br>
be the end of visual camera tracking??<br>
<br>
On Tue, Aug 2, 2011 at 11:27 AM, Saiph Savage <<a
moz-do-not-send="true" href="mailto:saiphcita@gmail.com"
target="_blank">saiphcita@gmail.com</a><br>
</div>
<div class="im">
<mailto:<a moz-do-not-send="true"
href="mailto:saiphcita@gmail.com" target="_blank">saiphcita@gmail.com</a>>>
wrote:<br>
<br>
This seems cool. If it takes off, it could solve a lot
of the<br>
problems encountered with various location based
applications.<br>
<br>
<a moz-do-not-send="true"
href="http://www.technologyreview.com/communications/38163/?p1=A1"
target="_blank">http://www.technologyreview.com/communications/38163/?p1=A1</a><br>
<br>
<br>
<br>
--<br>
Norma Saiph Savage<br>
<br>
<br>
<br>
<br>
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<br>
<br>
<br>
--<br>
Jonathan Ventura<br>
Ph.D. Candidate<br>
<br>
Department of Computer Science<br>
University of California<br>
Santa Barbara, CA 93106-5110<br>
<br>
Office: <a moz-do-not-send="true"
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<br>
-- <br>
Norma Saiph Savage<br>
<br>
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<pre class="moz-signature" cols="72">--
Tobias Hollerer
Associate Professor, Department of Computer Science
University of California, Santa Barbara, CA 93106-5110
<a class="moz-txt-link-abbreviated" href="mailto:holl@cs.ucsb.edu">holl@cs.ucsb.edu</a>, Office: (805)284-9395, Fax: (805)893-8553 </pre>
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