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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple style='margin-left:3.75pt;margin-top:3.75pt;margin-right:3.75pt;margin-bottom:3.75pt'><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>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.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Ralph.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><a name="_MailEndCompose"><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></a></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> openbsc-bounces@lists.osmocom.org [mailto:openbsc-bounces@lists.osmocom.org] <b>On Behalf Of </b>Sipos Csaba<br><b>Sent:</b> Thursday, 23 January, 2014 18:37<br><b>To:</b> Don Fanning<br><b>Cc:</b> openbsc@lists.osmocom.org<br><b>Subject:</b> Re[2]: GPRS, EDGE support<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p>Hi Don,<o:p></o:p></p><p><o:p> </o:p></p><p>Thanks for the answer.<o:p></o:p></p><p><o:p> </o:p></p><p>THe problem with nanobts that it is unaccessible, and even when it turns up on ebay, it costs a fortune.<o:p></o:p></p><p><o:p> </o:p></p><p>I'd rather pay that fortune for an USRP or half that fortune for a bladerf, and I will have an SDR which I can use not only as a BTS.<o:p></o:p></p><p><o:p> </o:p></p><p>So, at the moment GPRS/EDGE is only possible with nanoBTS? What about USRP or BladeRF running OpenBTS?<o:p></o:p></p><p><o:p> </o:p></p><p>BR,<o:p></o:p></p><p>Csaba<o:p></o:p></p><p><o:p> </o:p></p><div><table class=MsoNormalTable border=0 cellpadding=0><tr><td width=1 valign=top style='width:.6pt;background:blue;padding:.6pt .6pt .6pt .6pt'></td><td width=1076 valign=top style='width:645.6pt;background:white;padding:.6pt .6pt .6pt .6pt'><p><span class=rvts6>There has been a working GPRS stack for a while now:</span><o:p></o:p></p><p><a href="http://openbsc.osmocom.org/trac/wiki/OpenBSC_GPRS">http://openbsc.osmocom.org/trac/wiki/OpenBSC_GPRS</a><o:p></o:p></p><p><o:p> </o:p></p><p><span class=rvts6>As for USRP or OpenBTS, I cannot comment upon having never used either platform.</span><o:p></o:p></p></td></tr></table><p class=MsoNormal style='margin:0cm;margin-bottom:.0001pt'><o:p> </o:p></p></div></div></div></body></html>