Re: BLE& iOS6: Max distance supported
Re: BLE& iOS6: Max distance supported
- Subject: Re: BLE& iOS6: Max distance supported
- From: Andy Fuchs <email@hidden>
- Date: Mon, 25 Jun 2012 10:57:53 +0200
Hi Joakim,
thanks for the great explanation.
On 25.06.2012, at 05:03, Joakim Linde wrote:
>>> with an RSSI (Received Signal Strength Indication) higher than -30 dB, it connects to the device and gets the info (vCard). You can pick any RSSI trigger level you want for your application. Core Bluetooth simply gives you the advertising packet and at what RSSI it was received. It's then up to the app to decide if its close enough to connect.
I guess what's interesting here is, what is the minumum distance for a device to get discovered/connected?
>
> The app has different roles, but you can easily build an app that supports both roles. The two devices are then going to try to connect to each other and one will win.
Do you mean, we can create an app which support both roles AT ONCE? Keeping that VCard app in mind: The 'real life' example would be, that 2 users just open the app and THEN they decide who sends and who receives (or, if one user presses 'Send', it's app switches to server mode and the other user's app automagically switches to client mode)?
>>> - What are the iPhone models used for the demo with blinking leds :)
>>
>> iPhone4s, hopefully ;)
>
> Bluetooth Low Energy and the Core Bluetooth framework was introduced in mid 2011and supported on all Macs, iPhone and iPad since then.
Not an answer to the question ;-)
Cheers
andy
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