GPRS, EDGE support

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Ralph A. Schmid, dk5ras ralph at schmid.xxx
Fri Jan 24 04:33:50 UTC 2014


Yes, this also is my idea, but configuration of this is somehow difficult, and I do not get clear, reliable results from changing the parameters. 

 

I have noticed that you're not a "Ranger" anymore; hopefully your broad knowledge is still available for the GSM world :)

 

Ralph.

 

From: David A. Burgess [mailto:dburgess at jcis.net] 
Sent: Thursday, 23 January, 2014 23:01
To: Ralph A. Schmid, dk5ras
Cc: metro4; Don Fanning; openbsc at lists.osmocom.org
Subject: Re: GPRS, EDGE support

 

Ralph -

 

I realize this is off topic, but if you have such severe range differences between CS and PS performance, it is probably a GPRS uplink power control configuration problem.

 

Note: I am no longer affiliated with Range Networks, just trying to be helpful.

 

- David

 

 

On Jan 23, 2014, at 20:12, Ralph A. Schmid, dk5ras <ralph at schmid.xxx> wrote:





OpenBTS supports GPRS, but at least for me it does not work very reliably, I consider this only a proof of concept. While voice/SMS range is up to 200m, GPRS breaks down after 5m (!) distance, and the connection stalls after a while, requiring a restart of OpenBTS. I am using an USRP1 with WBX board.

 

Ralph.

 

 

 

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