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Subject: Re: [Bluez-users] Detecting RSSI without connecting
From: Marcel Holtmann <marcel@holtmann.org>
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Date: Tue, 09 Nov 2004 01:29:30 +0100

Hi Scott,

> For a project I'm working on, I'd like to determine which of several
> (possibly many) Bluetooth devices is closest.  "Best RSSI" is a good
> enough approximation of "closest" for my purposes, and since there may
> be many devices and I don't have any other interest in them, I'd like
> to get the RSSI without establishing a connection with each device.
> 
> It appears that "hcitool rssi <bdaddr>" requires that a connection is
> established.  Do any cards provide a way of getting RSSI that doesn't
> require establishing a connection?

starting with the Bluetooth 1.2 specification it is possible to get the
RSSI value from the inquiry results. Check the mailing list archives for
more details.

Regards

Marcel




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