Rules based policy engine
matt.joyce at gmail.com
Sun Jul 20 16:09:12 CEST 2008
Scott Derrick wrote:
> If GPS position is going to be a phone answering rule you would have
> to have the GPS sub system running all the time. It can't wake from
> sleep and acquire a position soon enough go be part of the decision.
> Not sure what that will do to battery life.
That's a valid point.
However, if a GPS dependant rule cannot get a fix (because it's off) in
a timely fashion, the rule fails.
It may be possible to use GSM call towers to give a good enough location
for these rules.
Looking at this rule again :
'If it can be reliably established that my physical location is one of
my favourite restaurants please switch my phone to vibrate, unless my
'reliably' is the operative word here, and I may consider GSM based
If a profile switching approach is taken, we could switch to the
"vibrate with exceptions' profile and shutdown GPS.
On the other hand, if always-on GPS is what's needed, then future models
will have to address the power requirements.
Or, perhaps a case mod for larger batteries is required.
Presumably geo-mappers have this problem already.
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