[srslte-users] 20MHz support in 5G-NSA

[Xavier Arteaga]

Hi,
I need the UE log with all layers in debug level (argument
--log.all_level=debug) and UE PCAP (if possible).

Many thanks,

Xavier Arteaga

4G/5G Engineer | Making magic on PHY happen

Software Radio Systems, Ltd.
xavier at srs.io
www.srs.io
Barcelona, Spain
[image: linkedin] <https://www.linkedin.com/in/xavier-arteaga-a46b4957/>


On Mon, 23 Aug 2021 at 16:49, CERUTTI Isabella <
Isabella.CERUTTI at ec.europa.eu> wrote:

> Dear srsRAN community,
>
>
>
> Here at Joint Research Centre, we successfully replicated the 5G-NSA
> testbed consisting of an srsRAN UE (with USRP Ettus X310) connected to an
> Amarisoft eNB/gNB and core, using the same setting and configuration files
> provided at:
>
> https://docs.srslte.com/en/latest/app_notes/source/5g_nsa/source/index.html
>
>
>
> Then, we tested with a bandwidth of 20 MHz. The UE connects and transmits
> as 4G but not as 5G (due to “Scheduling request failed”).
>
> Is the 20MHz bandwidth supported and tested for 5G-NSA?
>
>
>
> Below you can find the setting changes with respect to the 10MHz
> configuration and the traces. The log files are not included but they can
> be provided.
>
> Any feedback or suggestion is welcome.
>
> Thanks and regards,
>
>
>
>               Isabella
>
>
>
> ----
>
> *SETTING CHANGES FOR 20 MHz BANDWIDTH:*
>
> -          Amarisoft gnb configuration file with the following changes:
>
> #define N_RB_DL             *100*  // Values: 6 (1.4MHz), 25 (5MHz), 50
> (10MHz), 75 (15MHz), 100 (20MHz)
>
> #define NR_BANDWIDTH        *20*
>
> -          The srsUE configuration file has the following changes:
>
>         device_args = type=x300,clock=external,sampling_rate=*23.04e6*
> ,lo_freq_offset_hz=*23.04e6*
>
>                      srate = *23.04e6*
>
>
>
> *-----*
>
> *TRACES:*
>
>
>
> Built in Release mode using commit 89f16eed2 on branch master.
>
>
>
> Opening 2 channels in RF device=uhd with
> args=type=x300,clock=external,sampling_rate=23.04e6,lo_freq_offset_hz=23.04e6
>
> [INFO] [UHD] linux; GNU C++ version 9.2.1 20200304; Boost_107100;
> UHD_3.15.0.0-2build5
>
> [INFO] [LOGGING] Fastpath logging disabled at runtime.
>
> Opening USRP channels=2, args:
> type=x300,lo_freq_offset_hz=23.04e6,master_clock_rate=184.32e6
>
> [INFO] [UHD RF] RF UHD Generic instance constructed
>
> [INFO] [X300] X300 initialization sequence...
>
> [INFO] [X300] Maximum frame size: 8000 bytes.
>
> [INFO] [X300] Radio 1x clock: 184.32 MHz
>
> [INFO] [0/DmaFIFO_0] Initializing block control (NOC ID:
> 0xF1F0D00000000000)
>
> [INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1307 MB/s)
>
> [INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1318 MB/s)
>
> [INFO] [0/Radio_0] Initializing block control (NOC ID: 0x12AD100000000001)
>
> [INFO] [0/Radio_1] Initializing block control (NOC ID: 0x12AD100000000001)
>
> [INFO] [0/DDC_0] Initializing block control (NOC ID: 0xDDC0000000000000)
>
> [INFO] [0/DDC_1] Initializing block control (NOC ID: 0xDDC0000000000000)
>
> [INFO] [0/DUC_0] Initializing block control (NOC ID: 0xD0C0000000000000)
>
> [INFO] [0/DUC_1] Initializing block control (NOC ID: 0xD0C0000000000000)
>
> [INFO] [MULTI_USRP]     1) catch time transition at pps edge
>
> [INFO] [MULTI_USRP]     2) set times next pps (synchronously)
>
> Waiting PHY to initialize ... done!
>
> Attaching UE...
>
> .
>
> Found Cell:  Mode=FDD, PCI=1, PRB=100, Ports=1, CFO=-0.1 KHz
>
> Found PLMN:  Id=00101, TAC=1
>
> Random Access Transmission: seq=27, tti=4014, ra-rnti=0x5
>
> Random Access Complete.     c-rnti=0x4612, ta=3
>
> RRC Connected
>
> Network attach successful. IP: 192.168.3.2
>
> Amarisoft Network (Amarisoft) 4/8/2021 13:34:28 TZ:128
>
> RRC NR reconfiguration successful.
>
> RRC NR reconfiguration failed.
>
> RRC Connection Reestablishment to PCI=1, EARFCN=300 (Cause:
> "reconfigurationFailure")
>
> Random Access Transmission: seq=51, tti=5764, ra-rnti=0x5
>
> Random Access Complete.     c-rnti=0x4614, ta=3
>
> Reestablishment OK
>
> RRC Connected
>
> RRC NR reconfiguration failed.
>
> RRC Connection Reestablishment to PCI=1, EARFCN=300 (Cause:
> "reconfigurationFailure")
>
> Random Access Transmission: seq=36, tti=5834, ra-rnti=0x5
>
> Reestablishment OK
>
> RRC Connected
>
> Random Access Complete.     c-rnti=0x4616, ta=3
>
> Received RRC Connection Release (releaseCause: other)
>
> RRC IDLE
>
> Scheduling request failed: releasing RRC connection...
>
> Service Request with cause mo-Data.
>
> Random Access Transmission: seq=9, tti=8194, ra-rnti=0x5
>
> Random Access Complete.     c-rnti=0x4617, ta=3
>
> RRC Connected
>
> Service Request successful.
>
> RRC NR reconfiguration successful.
>
> Scheduling request failed: releasing RRC connection...
>
> Received RRC Connection Release (releaseCause: other)
>
> RRC IDLE
>
> Service Request with cause mo-Data.
>
> Random Access Transmission: seq=26, tti=8974, ra-rnti=0x5
>
> Random Access Complete.     c-rnti=0x4619, ta=3
>
> RRC Connected
>
> Service Request successful.
>
> RRC NR reconfiguration successful.
>
> ^CStopping ..
>
> Scheduling request failed: releasing RRC connection...
>
> Saving MAC PCAP (DLT=149) to /tmp/ue_mac.pcap
>
>
>
>
> _______________________________________________
> srslte-users mailing list
> srslte-users at lists.softwareradiosystems.com
> https://lists.softwareradiosystems.com/mailman/listinfo/srslte-users
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://lists.srsran.com/pipermail/srsran-users/attachments/20210824/cddeefd8/attachment.htm>