Pagers use a lot of tricks to keep their recieve power down. That includes
trading off bandwidth efficiency for low power. As slow as the data path in
the PalmVII is, it offers orders of magnitude more bandwidth than pagers.
> -----Original Message-----
> From: Laurence Lundblade [mailto:[EMAIL PROTECTED]]
> Sent: Tuesday, April 18, 2000 10:52 AM
> To: Palm Developer Forum
> Subject: RE: Is it possible to push the data on PalmVII?
>
>
> It's a good point, but an exception is pagers which run quite
> nicely on
> batteries for long periods of time and receive pushes.
> Probably the key to
> the trade-offs of battery life, through put, coverage,
> latency, push/pull
> and cost is overall system design (servers, RF link, antenna, battery
> technology etc) and there isn't any one network that's optimized for
> wireless PDA's.
>
> LL
>
> At 08:41 AM 4/18/00 -0500, Don Hyde wrote:
> >Working at an RF company I have learned another possible
> reason why the
> >PalmVII designers might have been wary of "push". A
> sophisticated digital
> >receiver generally needs a DSP for its implementation. Have
> you ever tried
> >powering a DSP chip off batteries? Even the low-powered
> ones eat more than
> >something like the Dragonball. With "pull", you crank up
> the transmitter,
> >listen for the answer, then turn off the whole radio until
> you're interested
> >in something again.
>
>
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