答复: 5G connection establishment

Wed Sep 30 01:24:52 UTC 2020

Hi
	We make patch to libqmi to get 5G service info, https://gitlab.freedesktop.org/carlyin/libqmi/-/tree/nr5g
	
	If you start data trasfer(like wget ), the 5G modem will auto register to 5G NSA, and you will get response as next:
	If NOT, you need to catch QXDM LOG,and send to the 5G modem vendor.

# qmicli -d /dev/cdc-wdm0 -p --nas-get-system-info
[/dev/cdc-wdm0] Successfully got system info:
	LTE service:
		5G NSA Available: 'yes'
		DCNR Restriction: 'no'
	5G SA service:
		Status: 'none'
		True Status: 'none'
		Preferred data path: 'no'

> -----邮件原件-----
> 发件人: ModemManager-devel
> [mailto:modemmanager-devel-bounces at lists.freedesktop.org] 代表 Federico
> Murciano
> 发送时间: Wednesday, September 30, 2020 3:47 AM
> 收件人: Sebastian Sjoholm <sebastian.sjoholm at gmail.com>
> 抄送: modemmanager-devel at lists.freedesktop.org
> 主题: AW: 5G connection establishment
> 
> Hi Sebastian,
> 
> 
> Did you set up something manually to get the ENDC connection or did it connect
> in this mode automatically? I can only connect to LTE. Some tips to manage to
> connect to 5G?
> 
> 
> --
> Federico Murciano
> B.Sc. Telecommunications Engineer
> federico.murciano at dai-labor.de<mailto:tobias.doersch at dai-labor.de>
> Tel. +49 (0) 30/314 -74 025
> Future in touch.
> DAI-Labor
> Technische Universität Berlin
> Fakultät IV – Elektrotechnik & Informatik Sekretariat TEL 14 Ernst-Reuter-Platz 7
> 10587 Berlin, Germany
> 
> www.dai-labor.de<http://www.dai-labor.de/>
> 
> DAI-Labor - Distributed Artificial Intelligence Laboratory Chief Executive Director:
> Prof. Dr. Dr. h.c. Sahin Albayrak
> 
> ________________________________
> Von: Sebastian Sjoholm <sebastian.sjoholm at gmail.com>
> Gesendet: Dienstag, 29. September 2020 20:07
> An: Federico Murciano
> Cc: Reinhard Speyerer; modemmanager-devel at lists.freedesktop.org
> Betreff: Re: 5G connection establishment
> 
> Hi,
> 
> I don't have MM installed, but when using minicom on the AT port,
> 
> at+qeng="servingcell"
> +QENG: "servingcell","NOCONN"
> +QENG: "LTE","FDD",235,96,11A8801,270,225,1,5,5,D9,-75,-5,-52,24,-
> +QENG:"NR5G-NSA",235,96,330,-64,345,-11
> OK
> 
> Regards,
> Sebastian
> 
> 
> On Tue, Sep 29, 2020 at 7:47 PM Federico Murciano
> <Federico.Murciano at dai-labor.de<mailto:Federico.Murciano at dai-labor.de>>
> wrote:
> Hi Reinhard,
> 
> Thanks for your reply. I still get the same output:
> 
> edge1 at dai-edge1:~$ sudo mmcli -m 1 '--command=at+qeng="servingcell"'
> error: command failed:
> 'GDBus.Error:org.freedesktop.ModemManager1.Error.Connection.NoCarrier: No
> carrier'
> 
> edge1 at dai-edge1:~$ sudo mmcli -m 1 --command=at+qeng="servingcell"
> error: command failed:
> 'GDBus.Error:org.freedesktop.ModemManager1.Error.Connection.NoCarrier: No
> carrier'
> 
> 
> --
> Federico Murciano
> B.Sc. Telecommunications Engineer
> federico.murciano at dai-labor.de<mailto:federico.murciano at dai-labor.de>
> Tel. +49 (0) 30/314 -74 025
> Future in touch.
> DAI-Labor
> Technische Universität Berlin
> Fakultät IV – Elektrotechnik & Informatik Sekretariat TEL 14 Ernst-Reuter-Platz 7
> 10587 Berlin, Germany
> 
> www.dai-labor.de<http://www.dai-labor.de>
> 
> DAI-Labor - Distributed Artificial Intelligence Laboratory Chief Executive Director:
> Prof. Dr. Dr. h.c. Sahin Albayrak
> 
> ________________________________________
> Von: ModemManager-devel
> <modemmanager-devel-bounces at lists.freedesktop.org<mailto:modemmanage
> r-devel-bounces at lists.freedesktop.org>> im Auftrag von Reinhard Speyerer
> <rspmn at arcor.de<mailto:rspmn at arcor.de>>
> Gesendet: Dienstag, 29. September 2020 19:00
> An: Federico Murciano
> Cc:
> modemmanager-devel at lists.freedesktop.org<mailto:modemmanager-devel at li
> sts.freedesktop.org>; Sebastian Sjöholm
> Betreff: Re: 5G connection establishment
> 
> On Tue, Sep 29, 2020 at 02:40:31PM +0000, Federico Murciano wrote:
> > Si Sebastian,
> >
> > When I run the at+qeng=???servingcell??? command with mmcli as:
> >
> > sudo mmcli -m 0 --command=at+qeng=???servingcell???
> >
> > I get the following error:
> >
> > GDBus.Error:org.freedesktop.ModemManager1.Error.Connection.NoCarrier:
> No carrier'
> >
> > Do you know why am I getting it?
> >
> > Thank you!
> >
> 
> Hi Federico,
> you have to take shell quoting into account:
> 
> $ echo sudo mmcli -m 0 --command=at+qeng="servingcell"
> sudo mmcli -m 0 --command=at+qeng=servingcell $ echo sudo mmcli -m 0
> '--command=at+qeng="servingcell"'
> sudo mmcli -m 0 --command=at+qeng="servingcell"
> 
> Regards,
> Reinhard
> 
> > --
> > Federico Murciano
> > B.Sc. Telecommunications Engineer
> > federico.murciano at dai-labor.de<mailto:federico.murciano at dai-labor.de>
> > Tel. +49 (0) 30/314 -74 025
> > Future in touch.
> > DAI-Labor
> > Technische Universität Berlin
> > Fakultät IV ??? Elektrotechnik & Informatik Sekretariat TEL 14
> > Ernst-Reuter-Platz 7
> > 10587 Berlin, Germany
> >
> > www.dai-labor.de<http://www.dai-labor.de>
> >
> > DAI-Labor - Distributed Artificial Intelligence Laboratory Chief
> > Executive Director: Prof. Dr. Dr. h.c. Sahin Albayrak
> >
> > ________________________________________
> > Von: Sebastian Sjöholm
> > <sebastian.sjoholm at gmail.com<mailto:sebastian.sjoholm at gmail.com>>
> > Gesendet: Dienstag, 29. September 2020 05:37
> > An: Nick B
> > Cc: Federico Murciano;
> >
> modemmanager-devel at lists.freedesktop.org<mailto:modemmanager-devel at li
> s
> > ts.freedesktop.org>
> > Betreff: Re: 5G connection establishment
> >
> > Hi,
> >
> > When using NSA (ENDC) the anchor will always be LTE, so for the modem LTE
> will be the primary network.
> >
> > The NR will only be used for the user plane, and activated only during data
> session, but even during data session signalling (control plane) will be on LTE.
> >
> > Depending on network setup, the NR session will be disconnected right after
> the data session. At some it can be instant, other might have longer timeouts.
> >
> > On RM500 you can check with at+qeng=???servingcell??? and on SIM8200
> at+cpsi? to see if the additional NR cell is connected after or during data session.
> >
> > Regards,
> > Sebastian
> >
> > @Mobile
> >
> > > On 29 Sep 2020, at 00:21, Nick B
> <nickberry17 at icloud.com<mailto:nickberry17 at icloud.com>> wrote:
> > >
> > > ???Hey,
> > >
> > > Just for the record, I am having the excat same experience in Australia with at
> Quectel RM500Q-GL and SIMCOM SIM8200EA-M2.  Is there any debugging info
> that would be helpful?
> > >
> > > Best,
> > > Nick
> > > _______________________________________________
> > > ModemManager-devel mailing list
> > >
> ModemManager-devel at lists.freedesktop.org<mailto:ModemManager-devel at l
> > > ists.freedesktop.org>
> > > https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel
> > _______________________________________________
> > ModemManager-devel mailing list
> >
> ModemManager-devel at lists.freedesktop.org<mailto:ModemManager-devel at li
> s
> > ts.freedesktop.org>
> > https://lists.freedesktop.org/mailman/listinfo/modemmanager-devel
> _______________________________________________
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