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Subject: Re: [Bluez-users] Link Quality between 2 Bluetooth USB Dongles
From: Marcel Holtmann <marcel@holtmann.org>
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Date: Mon, 24 Oct 2005 16:43:03 +0200

Hi Arpit,

> I've installed Linux(Fedore Core 4) on my comp and the Bluez Protocol
> Stack to get the value of the signal strength between two Bluetooth
> USB dongles. I've connected two Bluetooth USB dongles to one
> computer(have the USB extension cables to increase the distance
> between the two dongles).When I run the command 'hcitool lq <bdaddr>'
> to get the value of the link quality between the two dongles,it is
> always 255.Even if I increase or decrease the distance between the two
> dongles,the LQ remains constant at 255.The RSSI value changes but this
> change is abrupt and does not seem like a good measure of the signal
> strength. Any idea as to what could be the possible problem with the
> LQ and any solutions?

the link quality is vendor specific. Look at my pages to find out how
CSR implemented it.
 
> The adaptors I'm using are: Billionton Version 1.2 Bluetooth USB
> Adaptors (P/N: USBBT02 (UBTBR2-B)).

What does "hciconfig hci0 version" tells you?

Regards

Marcel




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