[CUWiN-Dev] Node power

[dan blah]

sounds like something we talked about at the summit... sneaker net?
not nearly as cool as your idea, one of the tdv nodes is running off
an inverter run into a solar cell.

On 6/26/06, David Young <dyoung at pobox.com> wrote:
> On Mon, Jun 26, 2006 at 01:48:10PM -0500, Wendy Edwards wrote:
> > One night when I was having dinner with some CS/ECE friends,
> > someone mentioned that Doug Jones (an ECE professor) may have
> > done some research related to solar-powered network nodes.
> > Has anyone from CU-Win been in touch with him?  If not, I'd be
> > happy to send him an email.
>
> Wendy,
>
> Solar-powered nodes are interesting to me.  ISTR a few years ago, when
> I spec'd the power requirements for one of our Soekris-based nodes, it
> would have doubled the price of a node to add to it a solar cell, battery,
> and regulator that would keep it alive through even a few days of clouds.
>
> These days, there are alternatives to the Soekris boards that draw about
> 1/3rd the power.
>
> A neat wireless network would consist of oodles of cheap nodes powered
> by small solar cells; the nodes would sleep (to recharge) and wake
> on a schedule that guaranteed the network stayed connected.  No node
> would have to stay on all the time, so the solar cells could be small.
> Deploying such a network would be easy: you would lob the nodes, which
> would be wholly self-contained, onto rooftops.  I read about somebody's
> study on this kind of solar-powered network somewhere, I just forget who
> and where.  I think they were concerned with powering "sensor networks."
>
> I think it is an interesting question, how do you modify a linkstate
> routing algorithm so that it spits out both a wake/sleep schedule for
> every node, and shortest paths over the routers that are presently awake?
> Also, is it very much more difficult to do this if your routers are
> hazy-sighted?  There may already be answers in the literature.
>
> Dave
>
> --
> David Young             OJC Technologies
> dyoung at ojctech.com      Urbana, IL * (217) 278-3933
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-- 
Daniel