[srslte-users] srsRAN UE with OAI 5G

Fri May 21 14:13:14 UTC 2021

Hi Cedric

Is this what you need - record.raw?
I also send a second log from srs UE for this connection.
Diarmuid
-------------------------------------------------------------------
Diarmuid Collins PhD
Iris Testbed Manager,
CONNECT Centre for Future Networks,
Dunlop Oriel House,
Trinity College,
Dublin 2, Ireland
E: dcollin5 at tcd.ie
W:https://connectcentre.ie/people/diarmuid-collins/

On Fri, 21 May 2021 at 14:43, Cedric Roux <cedric.roux at eurecom.fr> wrote:

> can you also record a T trace as explained at
> https://gitlab.eurecom.fr/oai/openairinterface5g/-/wikis/T/wireshark
> (Record and replay)
>
> Record on the eNB.
>
> thanks.
>
> Basically you would do (you add --T_stdout 0):
> ./lte-softmodem -O <config file> --T_stdout 0
>
> and on another terminal, do:
> cd common/utils/T/tracer/
> make
> ./record -d ../T_messages.txt -o /tmp/record.raw -on WIRESHARK
>
> On 2021-05-21 15:27, Diarmuid Collins wrote:
> > Hi Raymond
> >
> > Log attached. There is some capability info in there [see sample below] .
> >
> > It would be excellent to get srsRAN UE working with the gNB. It would
> > simplify a lot of experimentation researchers.
> >
> > Diarmuid
> >
> > 15:21:06.729520 [RRC-NR ] [D] NR capabilities (6 B)
> >
> > 0000: 80 00 10 00 03 00
> >
> > 15:21:06.729521 [RRC] [I] Including NR capabilities in UE Capability
> > Info (6 B)
> >
> > 15:21:06.729529 [PHY] [D] [ 5800] SNR=32.0 dB, RSRP=-71.8 dBm
> > sync=in-sync from channel estimator
> >
> > 15:21:06.729541 [RRC-NR ] [D] EUTRA-NR capabilities (22 B)
> >
> > 0000: 01 1c 04 00 60 c0 00 00 00 00 60 10 44 04 14 e8
> >
> > 0010: 00 00 00 00 10 08
> >
> > 15:21:06.729544 [RRC] [I] Including EUTRA-NR capabilities in UE
> > Capability Info (22 B)
> >
> > 15:21:06.729544 [RRC] [D] Requested Freq Bands NR MRDC R15 present
> >
> > 15:21:06.729557 [RRC] [D] SRB1 - Tx ueCapabilityInformation (33 B)
> >
> > 0000: 3c 02 50 68 00 01 00 00 30 06 16 01 1c 04 00 60
> >
> > 0010: c0 00 00 00 00 60 10 44 04 14 e8 00 00 00 00 10
> >
> >
> >
> >
> > ~/.config/srsran/ue.conf
> >
> >
> > [log]
> >
> > all_level = debug
> >
> > phy_lib_level = debug
> >
> > all_hex_limit = 32
> >
> > filename = /tmp/ue.log
> >
> > file_max_size = -1
> >
> >
> >
> > -------------------------------------------------------------------
> > Diarmuid Collins PhD
> > Iris Testbed Manager,
> > CONNECT Centre for Future Networks,
> > Dunlop Oriel House,
> > Trinity College,
> > Dublin 2, Ireland
> > E: dcollin5 at tcd.ie <mailto:dcollin5 at tcd.ie>
> > W:https://connectcentre.ie/people/diarmuid-collins/
> >
> >
> > On Fri, 21 May 2021 at 13:08, knopp <Raymond.Knopp at eurecom.fr
> > <mailto:Raymond.Knopp at eurecom.fr>> wrote:
> >
> >     Hi Diarmuid,
> >
> >     I think we'd have to either run the eNB with the T tracer and get the
> >     log or add a hexdump of the NR UE capabilities. The asn1 decoder for
> >     the
> >     LTE UECapabilityInformation containing the 5G container is failing.
> >     This
> >     has only been tested with a (limited) set of Commercial NSA UEs and
> an
> >     even more limited set of NSA/SA UEs.
> >
> >     This is the first message with a 5G container coming from the UE. Do
> >     you
> >     have a hexdump on the UE side of what is sent? Otherwise, we can help
> >     you activate the necessary logs in the eNB to get the hexdump and
> then
> >     we can use an online ASN1 decoder to check what could be wrong. When
> >     the
> >     decoding of the LTE message passes, the 5G OCTET_STRING component of
> >     the
> >     message gets sent to the gNB and this we can see with wireshark or in
> >     the text logs of the gNB, but unless until overall 4G message is
> >     decoded
> >     we can't see any of the 5G information.
> >
> >     It's already a good sign that the first LTE UECapabilityInformation
> was
> >     decoded with the necessary R15 information elements and that the 5G
> >     measurement reports came in :-)
> >
> >     Raymond
> >     On 21/05/2021 13:35, Diarmuid Collins wrote:
> >      > Hi OAI/srsRAN Community
> >      > Has anybody had any success connecting srsRAN UE - NR (B210) to
> >     OAI gNB
> >      > (USRP B210).
> >      >
> >      > This is supported by an enb (USRP b210), and OAI 5G ENDC NSA core.
> >      >
> >      > eNB handover to gNB logs fails saying (logs attached):
> >      >
> >      > [SCTP] Successfully sent 61 bytes on stream 1 for assoc_id 16
> >      >
> >      > [RRC] [FRAME 00000][eNB][MOD 00][RNTI 5011] received
> >      > ueCapabilityInformation on UL-DCCH 1 from UE
> >      >
> >      > [RRC] got UE capabilities for UE 5011
> >      >
> >      > *[RRC] [FRAME 00000][eNB][MOD 00][RNTI 5011] Failed to decode nr
> UE
> >      > capabilities (0 bytes)*
> >      >
> >      > *
> >      > *
> >      >
> >      > *
> >      > *
> >      >
> >      > Note, the srsRAN RN-UE will connect no problem to the standalone
> ENB
> >      > with OAI 5G ENDC NSA core [log also attached].
> >      >
> >      >
> >      > Diarmuid
> >      >
> >      >
> -------------------------------------------------------------------
> >      > Diarmuid Collins PhD
> >      > Iris Testbed Manager,
> >      > CONNECT Centre for Future Networks,
> >      > Dunlop Oriel House,
> >      > Trinity College,
> >      > Dublin 2, Ireland
> >      > E: dcollin5 at tcd.ie <mailto:dcollin5 at tcd.ie>
> >     <mailto:dcollin5 at tcd.ie <mailto:dcollin5 at tcd.ie>>
> >      > W:https://connectcentre.ie/people/diarmuid-collins/
> >      > <https://connectcentre.ie/people/diarmuid-collins/>
> >
> >
> > _______________________________________________
> > srslte-users mailing list
> > srslte-users at lists.softwareradiosystems.com
> > https://lists.softwareradiosystems.com/mailman/listinfo/srslte-users
> >
>
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