[Bluez-users] baseband characteristics

[Bluez-users] baseband characteristics

[Manjunath Prabhu]

hi marcel,
is it possible to study the frequency hopping pattern........i mean,
if i could  some way dump the changing channel numbers into a log
file.???

i also want to understand the baseband throughput.....can i get the
bit error rate before FEC is applied....is it possible????

hope u can suggest something...

also, what does a transmit power level of 4 mean??

regards,
manjunath


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Re: [Bluez-users] baseband characteristics

[Marcel Holtmann]

Hi Manjunath,

> is it possible to study the frequency hopping pattern........i mean,
> if i could  some way dump the changing channel numbers into a log
> file.???

you can't do this without a protocol analyzer.

> i also want to understand the baseband throughput.....can i get the
> bit error rate before FEC is applied....is it possible????

No. You can only do things that are defined in the HCI part of the
Bluetooth specification.

> also, what does a transmit power level of 4 mean??

Check the HCI commands description for that.

Regards

Marcel




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Re: [Bluez-users] baseband characteristics

[Manjunath Prabhu]

thanx marcel,
can you throw some more light on which protocol analyser is currently
doing well...........which one is worth purchasing....
also, how will i be able to tweak the baseband layer?????

regards,
manjunath

On Thu, 18 Nov 2004 11:36:18 +0100, Marcel Holtmann <marcel@holtmann.org> wrote:
> Hi Manjunath,
> 
> > is it possible to study the frequency hopping pattern........i mean,
> > if i could  some way dump the changing channel numbers into a log
> > file.???
> 
> you can't do this without a protocol analyzer.
> 
> > i also want to understand the baseband throughput.....can i get the
> > bit error rate before FEC is applied....is it possible????
> 
> No. You can only do things that are defined in the HCI part of the
> Bluetooth specification.
> 
> > also, what does a transmit power level of 4 mean??
> 
> Check the HCI commands description for that.
> 
> Regards
> 
> Marcel
> 
> -------------------------------------------------------
> This SF.Net email is sponsored by: InterSystems CACHE
> FREE OODBMS DOWNLOAD - A multidimensional database that combines
> robust object and relational technologies, making it a perfect match
> for Java, C++,COM, XML, ODBC and JDBC. www.intersystems.com/match8
> _______________________________________________
> Bluez-users mailing list
> Bluez-users@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bluez-users
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Re: [Bluez-users] baseband characteristics

[Marcel Holtmann]

Hi Manjunath,

> can you throw some more light on which protocol analyser is currently
> doing well...........which one is worth purchasing....

actually you only have two choices. CATC or Frontline.

> also, how will i be able to tweak the baseband layer?????

I am not sure, but I think the CATC BT-Tracer-Trainer can do that.

Regards

Marcel




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Re: [Bluez-users] baseband characteristics

[Peter Stephenson]

Marcel Holtmann wrote:
> Hi Manjunath,
> 
> > can you throw some more light on which protocol analyser is currently
> > doing well...........which one is worth purchasing....
> 
> actually you only have two choices. CATC or Frontline.

Also Mobiwave, www.mobiwave.com.

> > also, how will i be able to tweak the baseband layer?????
> 
> I am not sure, but I think the CATC BT-Tracer-Trainer can do that.

Yes, you can send particular sequences of packets with particular flags.

-- 
Peter Stephenson <pws@csr.com>                  Software Engineer
CSR PLC, Churchill House, Cambridge Business Park, Cowley Road
Cambridge, CB4 0WZ, UK                          Tel: +44 (0)1223 692070


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