PocketPC powers up fully when reconnecting to GPRS

From: Frank Ronneburg (frankron_at_sproqit.com)
Date: 09/23/04 

Date: 22 Sep 2004 17:18:43 -0700

Hello.

I have been experiencing a rather interesting problem and I can't find
any information about it.

Basically, my PocketPC 2003 T-Mobile PhoneEdition device seems to
power up quite a bit when I'm not even interacting with it! This is
really bad, because it already has such short battery life.

I've narrowed it down and I think that the problem happens when the
device goes back into GPRS coverage after having been "in a tunnel" or
something.

To repro this, all I have to do is to "Connect GPRS" by clicking on
the little phone icon in the title bar and then power down. Then, I
take my device into a tunnel for a few minutes, and then come back
out. As soon as the device "finds" GPRS coverage, the darned thing
powers on.

Is there anything I can do about this? Is this a known issue at
Microsoft, or is it an OEM thing?

Does anyone know what's going on here?

Thanks, Frank

PS My e-mail has changed. I'm now at
"frank_remove-this-part_@sproqit.com"

Relevant Pages

  • Re: HS2 Tunnel cooling (was Cool Tube)
    ... A shallower tunnel presumably makes conventional air shafts easier. ... the hotel power and that traction power required to maintain a steady ... for these trains will be high. ...
    (uk.railway)
  • Re: 300W Resistive load?
    ... I need a 300W load to test out my PFC. ... Hammy might have a few FETs left over from the boost though, they would handle the voltage just fine, as long as there's enough for the power. ... Also works fine with pairs and any air blocker to make a tunnel. ...
    (sci.electronics.design)
  • Re: HS2 Tunnel cooling (was Cool Tube)
    ... the hotel power and that traction power required to maintain a steady ... My point is that the Channel Tunnel is considerably longer and deeper than any of the possible HS2 tunnels so the ventilation scheme is more complex and not necessarily applicable to tunnels on HS2. ... the 'piston effect' could not be used to ventilate the tunnel as the power requirements for the train would be too high. ...
    (uk.railway)
  • Re: Automotive temp MCU
    ... When in a tunnel the temps can get very high from what I am ... > frequency well below the nominal clock frequency and since the power ... > useful even with many low power devices that you would never consider ... so be prepared to dissipate quite a lot of power. ...
    (comp.arch.embedded)
  • Re: Russia Plans Worlds Longest Tunnel, a Link to Alaska
    ... tunnel, a transport and pipeline link under the Bering Strait to Alaska, ... Power lines also seem dubious. ... Gas and oil might be a little more realistic. ...
    (misc.transport.road)