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Re: The activation time of the application running in the background
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Re: The activation time of the application running in the background


  • Subject: Re: The activation time of the application running in the background
  • From: Etan Kissling <email@hidden>
  • Date: Tue, 07 Aug 2012 00:34:39 +0200

Hey,
 
Couldn't you measure the RSSI value on the peripheral, and only send a notification to the iPhone when the RSSI value exceeds a specific threshold?
Then, you could manage the power more precisely on the peripheral, while the iPhone can sleep most of the time.
 
Etan

On Tue, Aug 7, 2012 at 12:02 AM, Jean-Yves Avenard <email@hidden> wrote:
On 07/08/2012, at 0:43, Joakim Linde <email@hidden> wrote:

>
> Hi zz_zhang,
>
> You might want to consider reading the RSSI value on the peripheral side instead of on the central side.
>
> Thanks,
> Joakim
>
>

Hello Joakim

I have read this recommendation a few times and was also told the same
thing at WWDC.

However, I fail to see why it would make any difference from a power
usage point of view.

The application will be woken up just as often if it was the device
advertising its RSSI value very often.
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  • Follow-Ups:
    • Re: The activation time of the application running in the background
      • From: Joakim Linde <email@hidden>
References: 
 >The activation time of the application running in the background (From: "email@hidden" <email@hidden>)
 >Re: The activation time of the application running in the background (From: Joakim Linde <email@hidden>)
 > 回复: Re: The activation time of the application running in the background (From: "email@hidden" <email@hidden>)
 >Re: The activation time of the application running in the background (From: Joakim Linde <email@hidden>)
 >Re: The activation time of the application running in the background (From: Jean-Yves Avenard <email@hidden>)

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