Menu
▾
▴
Re: [Openbts-discuss] Openbts-discuss Digest, Vol 90, Issue 14
|
From: Thomas M. <tho...@gm...> - 2016-02-15 08:18:33
|
Hi Varun It's really strange because you are able to camp the BTS. Is echo call working too ? Which version of the UHD driver are you using ? (a big part of my issue was about UHD driver unstable versions). Is everything thing looking good in the Asterisk console ? Regards, 2016-02-14 19:10 GMT+01:00 Varun Kumar <var...@ii...>: > Hi Thomas, > > Even I was going through the similar problem as yours(Can't register MS on > a fresh OpenBTS 5 install). > In the trailing mail you wrote "Thanks a lot for all your helpful answers. > It's working.", but you didn't mention what was the source of your problem > and how you corrected it. > > With me, the problem is that the system is very unpredictable. > For example, if I connect my mobile device to openbts network and it got > connected successfully, I'm able to do echo SMS at 411. > Now if I disconnect the mobile device, I'm not able to connect it again. > Even after restarting the whole setup. > Moreover, it's very rare that the mobile device gets connects to my > openbts network in the first place. > > My setup is similar to yours, I'm also using Ubuntu 14.04 64bit, Openbts > 5.0. I'm following Getting started with Openbts by Michael Ledema for > installation of Openbts and other softwares, viz. asterisk, sipauthserve > and smqueue. > > ** noise RSSI is -86 dB wrt full scale > ** MS RSSI target is -50 dB wrt full scale > ** current downlink power -10dB wrt full scale > > I'm using NI USRP2922 with two tri-band antennas that are sufficient > enough for experimental purpose. > > > Thank you. > > > > > > On Sun, Feb 14, 2016 at 10:51 PM, < > ope...@li...> wrote: > >> Send Openbts-discuss mailing list submissions to >> ope...@li... >> >> To subscribe or unsubscribe via the World Wide Web, visit >> https://lists.sourceforge.net/lists/listinfo/openbts-discuss >> or, via email, send a message with subject or body 'help' to >> ope...@li... >> >> You can reach the person managing the list at >> ope...@li... >> >> When replying, please edit your Subject line so it is more specific >> than "Re: Contents of Openbts-discuss digest..." >> >> >> Today's Topics: >> >> 1. IPAWS (Neil G) >> 2. Re: Can't register MS on a fresh OpenBTS 5 install >> (Ralph A. Schmid, dk5ras) >> >> >> ---------------------------------------------------------------------- >> >> Message: 1 >> Date: Sun, 14 Feb 2016 09:19:40 -0500 >> From: Neil G <nag...@gm...> >> Subject: [Openbts-discuss] IPAWS >> To: ope...@li... >> Message-ID: >> < >> CAL...@ma...> >> Content-Type: text/plain; charset=UTF-8 >> >> Has anyone other than myself considered connecting their OpenBTS with >> IPAWS to receive WEA (wireless emergency alerts)? I developed a >> working CMSP Gateway that connects and receives alerts a few years >> ago, and figured that others might be interested. >> >> Neil >> >> >> >> ------------------------------ >> >> Message: 2 >> Date: Sun, 14 Feb 2016 18:21:21 +0100 >> From: "Ralph A. Schmid, dk5ras" <ra...@sc...> >> Subject: Re: [Openbts-discuss] Can't register MS on a fresh OpenBTS 5 >> install >> To: "'Thomas Meghe'" <tho...@gm...>, "'Neel Pandeya'" >> <nee...@et...> >> Cc: 'OpenBTS Discuss' <ope...@li...> >> Message-ID: <001801d1674c$2177cd90$646768b0$@schmid.xxx> >> Content-Type: text/plain; charset="utf-8" >> >> Funny, I even did not remember :) >> >> >> >> Ralph. >> >> >> >> From: Thomas Meghe [mailto:tho...@gm...] >> Sent: Friday, February 12, 2016 13:06 >> To: Neel Pandeya >> Cc: Ralph A. Schmid, dk5ras; OpenBTS Discuss >> Subject: Re: [Openbts-discuss] Can't register MS on a fresh OpenBTS 5 >> install >> >> >> >> Thanks a lot for all your helpful answers. It's working. For your >> information, current config is UHD v3.7.3 & OpenBTS v5 with a B200 rev 4 >> under Ubuntu 14.04 LTS. >> >> >> >> @Ralph the problem is now with Asterisk and libsqlite3odbc.so file not >> found, I saw you faced the same problem and tried your solution mentionned >> in this thread >> https://sourceforge.net/p/openbts/mailman/openbts-discuss/thread/000001cfd5b9$95352d70$bf9f8850$@schmid.xxx/ >> but it still doesn't find the file. >> >> >> >> Best regards, >> >> Thomas >> >> >> >> 2016-02-11 15:55 GMT+01:00 Neel Pandeya <nee...@et...>: >> >> The new B200 Rev 5 boards (green boards) which use the AD9364 transceiver >> chip require at least UHD 3.8.4, so you should be fine with 3.9.1 or 3.9.2. >> >> I would suggest using a tagged release, such 3.9.1 or 3.9.2, rather than >> using the master branch. >> >> You could use the Live SDR Environment from GNU Radio (see link below) to >> boot from USB drive into a Linux environment with UHD and GR pre-installed, >> and run some tests using "uhd_fft" and Gqrx to verify that your hardware is >> working correctly and that your system can communicate with it. >> >> https://gnuradio.org/redmine/projects/gnuradio/wiki/GNURadioLiveDVD >> >> >> >> --Neel >> >> >> >> On 11 February 2016 at 05:55, Ralph A. Schmid, dk5ras <ra...@sc...> >> wrote: >> >> Maybe the latest revision of the B200 is the problem? I heard that they >> changed something...perhaps this somehow breaks OpenBTS?! >> >> >> >> Ralph. >> >> >> >> >> >> From: Thomas Meghe [mailto:tho...@gm...] >> Sent: Wednesday, February 10, 2016 9:01 PM >> To: Ralph A. Schmid, dk5ras >> Cc: ope...@li... >> Subject: Re: [Openbts-discuss] Can't register MS on a fresh OpenBTS 5 >> install >> >> >> >> Thanks for the hint. However, I tried with an older version of UHD driver >> ( UHD_003.010.git-119-g42a3eeb6 and FW Version 8.0 / FPGA Version 14.0) >> with OpenBTS5 and it still doesn't work... I will try with the 3.9.1 which >> seems to work for some users right ? >> >> Thanks again, >> >> Thomas >> >> >> >> 2016-02-10 8:34 GMT+01:00 Ralph A. Schmid, dk5ras <ra...@sc...>: >> >> Then it is some issue earlier in the chain, not an >> authentication/registration problem. I had this when the new UHD with >> different group delay came, and it worked again when openbts got patched >> respectively. For some reason your setup even does not properly decode the >> access bursts. >> >> >> >> Ralph. >> >> >> >> From: Thomas Meghe [mailto:tho...@gm...] >> Sent: Tuesday, February 9, 2016 6:53 PM >> To: Ralph A. Schmid, dk5ras >> Cc: ope...@li... >> Subject: Re: [Openbts-discuss] Can't register MS on a fresh OpenBTS 5 >> install >> >> >> >> Apologies for this second email but, I managed to catch access burst on >> uplink frequency (cf https://framapic.org/IL7FgT9V35di/YrzHY5d4014s.png) >> but there is only one or two packet sent. >> >> >> >> 2016-02-09 18:44 GMT+01:00 Thomas Meghe <tho...@gm...>: >> >> Hi Ralph, >> >> Thanks for your answer. rxgain was set to 10 (accordingly to the doc >> regarding USRP hardware), I tried to set it to 0 which is 10db below. >> Nothing is different. >> >> >> >> I also tried without the antenna plugged and it still doesn't work. I >> didn't manage to find some crappy speakers at home, I will try elsewhere. >> However, I can clearly see the downlink of the BTS corresponding to the >> ARFCN 80 (which is 951mhz cf >> https://framapic.org/zBlgtJB20AfI/EuZAcpYj0duQ.png) but nothing on the >> uplink (906mhz) when trying to register MS. >> >> >> >> Regards. >> >> >> >> 2016-02-09 14:35 GMT+01:00 Ralph A. Schmid, dk5ras <ra...@sc...>: >> >> What is your rx gain setting? Try using 10 or 20 dB below the preset. >> Also try disconnecting your RX antenna when you are very close to the B200 >> during the tests. Sometimes the access bursts simply are not decoded >> because the signal is too strong. >> >> >> >> Can you monitor what the handheld transmits when trying to register? Only >> access bursts, or a complete SDDCH exchange? You can get an idea if you put >> the phone on EMI sensitive PC speakers or a cheap radio clock, to hear the >> annoying GSM noise when it transmits. Access bursts are very short, barely >> noticeable clicks, only two or three of them in a row, while an established >> SDDCH produces the typical machinegun / drum machine "tack tackatack >> tackatack" sound, like when receiving a short message in a commercial >> network. >> >> >> >> Ralph. >> >> >> >> From: Thomas Meghe [mailto:tho...@gm...] >> Sent: Tuesday, February 9, 2016 12:33 PM >> To: ope...@li... >> Subject: [Openbts-discuss] Can't register MS on a fresh OpenBTS 5 install >> >> >> >> Hello, >> >> I'm currently trying to setup a working OpenBTS 5 testing setup (for >> testing purposes) on a Ubuntu 14.04 64 bit with a B200. What I've done so >> far : >> >> * Setup OpenBTS 5 following the guide "Getting started with OpenBTS >> guide" >> * Everything seems to be functionnal (no compile error, no running >> error, radio com with my B200 operational) >> * Kept MCC and MNC to testing default values (001 01) >> * Control.LUR.OpenRegistration set to *. >> * Control.LUR.SendTMSIs set to 1 >> * sipauthserve running >> * noise RSSI is -79 dB wrt full scale >> * power downlink is set to -10db >> * ARFCN is set to 80 (checked before with OsmocomBB scan that the >> associated frequency was not noisy, I can see from my osmophone a nice and >> clear peak) >> >> I think I didn't missed anything for the crash-test but... I tried to >> connect on 3 different phones with 3 different simcards (My current one on >> my Android phone, an old one and a foreign one). All my 3 phones can see >> the network but no one is able to connect to. The connection process is >> long and fall short to a "not available" or something else. >> >> I'm using my B200 with two Vert 400 antennas (it shall be enough to cover >> the living room area) >> >> Thanks for any help and regards, >> >> Tom >> >> >> >> >> >> >> >> >> >> >> ------------------------------------------------------------------------------ >> Site24x7 APM Insight: Get Deep Visibility into Application Performance >> APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month >> Monitor end-to-end web transactions and take corrective actions now >> Troubleshoot faster and improve end-user experience. Signup Now! >> http://pubads.g.doubleclick.net/gampad/clk?id=272487151 < >> http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140> >> &iu=/4140 >> _______________________________________________ >> Openbts-discuss mailing list >> Ope...@li... >> https://lists.sourceforge.net/lists/listinfo/openbts-discuss >> >> >> >> >> >> -------------- next part -------------- >> An HTML attachment was scrubbed... >> >> ------------------------------ >> >> >> ------------------------------------------------------------------------------ >> Site24x7 APM Insight: Get Deep Visibility into Application Performance >> APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month >> Monitor end-to-end web transactions and take corrective actions now >> Troubleshoot faster and improve end-user experience. Signup Now! >> http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140 >> >> ------------------------------ >> >> _______________________________________________ >> Openbts-discuss mailing list >> Ope...@li... >> https://lists.sourceforge.net/lists/listinfo/openbts-discuss >> >> >> End of Openbts-discuss Digest, Vol 90, Issue 14 >> *********************************************** >> > > > > -- > Varun Kumar > B Tech ECE 3rd year > Roll No. 2013169 > Student Council 2015-16 | Web Admin | ECE'13 Representative > <http://home.iiitd.edu.in/~varun13169/> > http://home.iiitd.edu.in/~varun13169/ > |
){kind=link}
){kind=link}
