[srslte-users] SRS UE connecting to commercial network

Saimanoj Katta saimanoj.katta at cumucore.com
Mon Jul 1 08:56:00 UTC 2019 

Hello,

PFA the UE pcap file for your reference.

Thank you very much for the support and time.

Regards,
Saimanoj

On Fri, Jun 28, 2019 at 6:59 PM Ismael Gomez <
ismael.gomez at softwareradiosystems.com> wrote:

> I mean UE pcap from srsUE. Pass --pcap.enable=true to the srsue binary and
> send us /tmp/ue.pcap file
>
> Thanks
>
> On Fri, 28 Jun 2019 at 15:57, Saimanoj Katta <saimanoj.katta at cumucore.com>
> wrote:
>
>> Hello,
>>
>> I have attached the pcap as Google Link drive as the file is larger than
>> 25MB.
>>  test.pcap
>> <https://drive.google.com/a/cumucore.com/file/d/1py60L6sEvRb_4drzlXf6UfLL4vtftguY/view?usp=drive_web>
>> Regards,
>> Saimanoj
>>
>> On Fri, Jun 28, 2019 at 4:26 PM Ismael Gomez <
>> ismael.gomez at softwareradiosystems.com> wrote:
>>
>>> Can you also attach a pcap please?
>>>
>>> thanks
>>>
>>> On Fri, 28 Jun 2019 at 11:41, Saimanoj Katta <
>>> saimanoj.katta at cumucore.com> wrote:
>>>
>>>> Hi,
>>>>
>>>> Yes. Thank you very much for fixing the Format 1C issue.
>>>>
>>>> I noticed my error. I ran it real time using sudo command next.
>>>> However, the transmission was unsuccessful. From my reading in  LTE
>>>> message attach sequence chart
>>>> <http://www.eventhelix.com/lte/attach/LTE-RRC-Connection-Setup-Messaging.pdf>
>>>> :UE initiates a session to the eNodeB using a random RA-RNTI. Further,
>>>> eNodeBassigns a C-RNTI and adjusts timing. *Then UE fails to request
>>>> the RRC connection via UL-SCH*. From the rank indication, a good SINR
>>>> is reflected by a rank 2. Therefore, there is good SINR, but yet, it fails
>>>> to connect. Have I misunderstood something?
>>>>
>>>> In the PDCP log, it mentions, there is only 1 antenna available,
>>>> whereas, I have two antennas configured.
>>>>
>>>> 12:36:51.672814 [PHY0] [E] [08063] Warning: Received Rank Indication
>>>> report configuration but only 1 antenna is available
>>>> 12:36:51.673058 [PHY1] [E] [08064] Warning: Received Rank Indication
>>>> report configuration but only 1 antenna is available
>>>> 12:36:51.673070 [PHY2] [E] [00000] Warning: Received Rank Indication
>>>> report configuration but only 1 antenna is available
>>>>
>>>> Any word of advice would be appreciated. Attached are the new logs of
>>>> ue and pdcp for reference.
>>>>
>>>> ubuntu at ubuntu-Zephyrus-GX501GI:~/srsLTE-issuefix_format1c/build$ sudo
>>>> srsue --rf.dl_earfcn 3350  --log.all_level=info
>>>> Reading configuration file /home/ubuntu/.config/srslte/ue.conf...
>>>>
>>>> Built in Release mode using 19.3.0.
>>>>
>>>> ---  Software Radio Systems LTE UE  ---
>>>>
>>>> Opening 1 RF devices with 1 RF channels...
>>>> [INFO] [UHD] linux; GNU C++ version 7.4.0; Boost_106501;
>>>> UHD_3.15.0.git-1-gf83faf28
>>>> [INFO] [LOGGING] Fastpath logging disabled at runtime.
>>>> Opening USRP with args: type=x300,master_clock_rate=184.32e6
>>>> [INFO] [X300] X300 initialization sequence...
>>>> [INFO] [X300] Maximum frame size: 1472 bytes.
>>>> [INFO] [X300] Radio 1x clock: 184.32 MHz
>>>> [INFO] [GPS] Found an internal GPSDO: LC_XO, Firmware Rev 0.929a
>>>> [INFO] [0/DmaFIFO_0] Initializing block control (NOC ID:
>>>> 0xF1F0D00000000000)
>>>> [INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1299 MB/s)
>>>> [INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1319 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)
>>>> Waiting PHY to initialize...
>>>> ...
>>>> Attaching UE...
>>>> Searching cell in DL EARFCN=3350, f_dl=2680.0 MHz, f_ul=2560.0 MHz
>>>> .
>>>> Found Cell:  Mode=FDD, PCI=12, PRB=100, Ports=2, CFO=0.6 KHz
>>>> Found PLMN:  Id=24459, TAC=12594
>>>> Found PLMN:  Id=24459, TAC=12594
>>>> Could not find Home PLMN Id=00101, trying to connect to PLMN Id=24459
>>>> Random Access Transmission: seq=28, ra-rnti=0x2
>>>> RRC Connected
>>>> Random Access Complete.     c-rnti=0xdce6, ta=5
>>>> Received Attach Reject. Cause= 02
>>>> Received RRC Connection Release
>>>> RRC IDLE
>>>> Failed to Attach
>>>> Random Access Transmission: seq=24, ra-rnti=0x2
>>>> RRC Connected
>>>> Random Access Complete.     c-rnti=0x78b5, ta=5
>>>> Received Attach Reject. Cause= 02
>>>> Received RRC Connection Release
>>>> RRC IDLE
>>>> Failed to Attach
>>>> Random Access Transmission: seq=5, ra-rnti=0x2
>>>> RRC Connected
>>>> Random Access Complete.     c-rnti=0x1484, ta=5
>>>> Received Attach Reject. Cause= 02
>>>> Received RRC Connection Release
>>>> RRC IDLE
>>>> Failed to Attach
>>>> Random Access Transmission: seq=10, ra-rnti=0x2
>>>> RRC Connected
>>>> Random Access Complete.     c-rnti=0xb053, ta=5
>>>> Received Attach Reject. Cause= 02
>>>> Received RRC Connection Release
>>>> RRC IDLE
>>>> Failed to Attach
>>>> Random Access Transmission: seq=1, ra-rnti=0x2
>>>> RRC Connected
>>>> Random Access Complete.     c-rnti=0x4c22, ta=5
>>>> Received Attach Reject. Cause= 02
>>>> Received RRC Connection Release
>>>> RRC IDLE
>>>> Failed to Attach
>>>> /home/ubuntu/srsLTE-issuefix_format1c/lib/src/phy/rf/rf_uhd_imp.c.839:
>>>> Error timed out while receiving samples from UHD.
>>>>
>>>> /home/ubuntu/srsLTE-issuefix_format1c/lib/src/phy/ue/ue_sync.c.727:
>>>> Error receiving samples
>>>>
>>>> /home/ubuntu/srsLTE-issuefix_format1c/lib/src/phy/rf/rf_uhd_imp.c.839:
>>>> Error timed out while receiving samples from UHD.
>>>>
>>>> /home/ubuntu/srsLTE-issuefix_format1c/lib/src/phy/ue/ue_sync.c.727:
>>>> Error receiving samples
>>>>
>>>> ^Z
>>>> [2]+  Stopped                 sudo srsue --rf.dl_earfcn 3350
>>>> --log.all_level=info
>>>>
>>>> Regards,
>>>> Saimanoj
>>>>
>>>> On Tue, Jun 25, 2019 at 4:13 PM Ismael Gomez <
>>>> ismael.gomez at softwareradiosystems.com> wrote:
>>>>
>>>>> Hi Saimanoj,
>>>>>
>>>>> Thanks for sharing your log. I see now that the Format1C issue is
>>>>> fixed.
>>>>>
>>>>> The problem that you have now is with real-time. Make sure you run the
>>>>> UE as sudo.
>>>>>
>>>>> On Mon, 24 Jun 2019 at 14:53, Saimanoj Katta <
>>>>> saimanoj.katta at cumucore.com> wrote:
>>>>>
>>>>>> Hello Ismael,
>>>>>>
>>>>>> Thank you for notifying me and noticing the bug. I compiled the code
>>>>>> and tested it. There is huge improvement in the detection of the PLMN.
>>>>>> However, issue still persists.
>>>>>>
>>>>>> 1) I did execute the Pdsch option first for a clean signal. It does.
>>>>>> Next, the code does not detect the PLMN automatically.
>>>>>> 2) I changed the PLMN code to a number which eNB is configured. i.e
>>>>>> 24451. It detects the code. However, it looks for HPLMN. Since, it is not
>>>>>> there, it tries to connect via existing PLMN and it fails (I am assuming it
>>>>>> looks for the equivalent HPLMN next). Here, it fails.  PS: I changed the
>>>>>> details in the ue.conf.example and nas_test.cc file
>>>>>>
>>>>>> In nas.c file,
>>>>>>     nas_log->error("Getting Home PLMN Id from USIM. Defaulting to
>>>>>> 001-01\n");
>>>>>>     uint16_t mcc          = 61441; // This is 001
>>>>>>     uint16_t mnc          = 65281; // This is 01
>>>>>>
>>>>>> How is this encoded? I suspect this triggers the default one. How can
>>>>>> I code it?
>>>>>>
>>>>>> *Attached are the logs for your reference:*
>>>>>> *1. ue_original.log (Without modifying PLMN code)*
>>>>>> * 2. ue.log (Modifying PLMN code). *
>>>>>>
>>>>>> *Here's the output at the Terminal: *
>>>>>>
>>>>>> ubuntu at ubuntu-Zephyrus-GX501GI:~/srsLTE-issuefix_format1c/build$
>>>>>> srsue --rf.dl_earfcn 2875 --log.all_level=info
>>>>>> Reading configuration file /home/ubuntu/.config/srslte/ue.conf...
>>>>>>
>>>>>> Built in Release mode using 19.3.0.
>>>>>>
>>>>>> ---  Software Radio Systems LTE UE  ---
>>>>>>
>>>>>> Opening 1 RF devices with 1 RF channels...
>>>>>> [INFO] [UHD] linux; GNU C++ version 7.4.0; Boost_106501;
>>>>>> UHD_3.15.0.git-1-gf83faf28
>>>>>> [INFO] [LOGGING] Fastpath logging disabled at runtime.
>>>>>> Opening USRP with args: type=x300,master_clock_rate=184.32e6
>>>>>> [INFO] [X300] X300 initialization sequence...
>>>>>> [INFO] [X300] Maximum frame size: 1472 bytes.
>>>>>> [INFO] [X300] Radio 1x clock: 184.32 MHz
>>>>>> [INFO] [GPS] Found an internal GPSDO: LC_XO, Firmware Rev 0.929a
>>>>>> [INFO] [0/DmaFIFO_0] Initializing block control (NOC ID:
>>>>>> 0xF1F0D00000000000)
>>>>>> [INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1300 MB/s)
>>>>>> [INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1303 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)
>>>>>> Waiting PHY to initialize...
>>>>>> Warning: Failed to create thread with real-time priority. Creating it
>>>>>> with normal priority: Success
>>>>>> Warning: Failed to create thread with real-time priority. Creating it
>>>>>> with normal priority: Success
>>>>>> Warning: Failed to create thread with real-time priority. Creating it
>>>>>> with normal priority: Success
>>>>>> Warning: Failed to create thread with real-time priority. Creating it
>>>>>> with normal priority: Success
>>>>>> ...
>>>>>> Attaching UE...
>>>>>> Searching cell in DL EARFCN=2875, f_dl=2632.5 MHz, f_ul=2512.5 MHz
>>>>>> .
>>>>>> Found Cell:  Mode=FDD, PCI=12, PRB=25, Ports=2, CFO=-0.3 KHz
>>>>>> Found PLMN:  Id=24451, TAC=12594
>>>>>> Could not find Home PLMN Id=00101, trying to connect to PLMN Id=24451
>>>>>> Random Access Transmission: seq=30, ra-rnti=0x2
>>>>>> Random Access Complete.     c-rnti=0x3d7, ta=4
>>>>>> Received ConnectionReject. Wait time: 8
>>>>>> Random Access Transmission: seq=3, ra-rnti=0x2
>>>>>> Received ConnectionReject. Wait time: 8
>>>>>> Random Access Complete.     c-rnti=0x9fa6, ta=4
>>>>>> Random Access Transmission: seq=27, ra-rnti=0x2
>>>>>> Received ConnectionReject. Wait time: 8
>>>>>> Random Access Complete.     c-rnti=0x3b75, ta=4
>>>>>> Random Access Transmission: seq=16, ra-rnti=0x2
>>>>>> Received ConnectionReject. Wait time: 8
>>>>>> Random Access Complete.     c-rnti=0xd744, ta=0
>>>>>> Random Access Transmission: seq=0, ra-rnti=0x2
>>>>>> Received ConnectionReject. Wait time: 8
>>>>>> Random Access Complete.     c-rnti=0x7313, ta=4
>>>>>>
>>>>>>
>>>>>> Regards,
>>>>>> Saimanoj
>>>>>>
>>>>>> On Fri, Jun 21, 2019 at 7:15 PM Ismael Gomez <
>>>>>> ismael.gomez at softwareradiosystems.com> wrote:
>>>>>>
>>>>>>> Hi Saimanoj,
>>>>>>>
>>>>>>> Thanks for reporting this. This is indeed a bug in resolving RV
>>>>>>> value for Format1C for SI-RNTI. Thanks for catching that. I've pushed a new
>>>>>>> branch with a possible fix here:
>>>>>>> https://github.com/srsLTE/srsLTE/tree/issuefix_format1c
>>>>>>>
>>>>>>> When you have a chance, could you please try it again and let us
>>>>>>> know if it works? ue.log would be very useful.
>>>>>>>
>>>>>>> Thanks
>>>>>>>
>>>>>>> On Fri, 21 Jun 2019 at 13:55, Saimanoj Katta <
>>>>>>> saimanoj.katta at cumucore.com> wrote:
>>>>>>>
>>>>>>>> Hello Andre,
>>>>>>>>
>>>>>>>> Sorry for the late reply. I get a clean signal when I execute
>>>>>>>> pdsch_ue as you advised me to check.
>>>>>>>> When I run srsue, it even detects a cell, but, the index values
>>>>>>>> start to appear and the error keeps happening-
>>>>>>>>
>>>>>>>> Found Cell:  Mode=FDD, PCI=12, PRB=25, Ports=2, CFO=0.3 KHz
>>>>>>>> Invalid inputs rv_idx=-1, cb_idx=15
>>>>>>>> /home/ubuntu/srsLTE/lib/src/phy/phch/sch.c.343: Error in rate
>>>>>>>> matching
>>>>>>>> .
>>>>>>>> .
>>>>>>>> .
>>>>>>>> Invalid inputs rv_idx=-1, cb_idx=15
>>>>>>>> /home/ubuntu/srsLTE/lib/src/phy/phch/sch.c.343: Error in rate
>>>>>>>> matching
>>>>>>>>
>>>>>>>> ^Z
>>>>>>>> [7]+  Stopped                 srsue --rf.dl_earfcn 2875
>>>>>>>> --log.all_level=info
>>>>>>>>
>>>>>>>> It always, asks MAC to look for SIB1(Attached are the logs). In eNB
>>>>>>>> configuration, S1B1 is not configured. To configure it in eNB, it takes a
>>>>>>>> huge time, I understand. Is it easier to disable it in the code and start
>>>>>>>> working to recieve SIB2?  I am a beginner to this platform and I am
>>>>>>>> confused, what to do next.
>>>>>>>>
>>>>>>>> Regards,
>>>>>>>> Saimanoj
>>>>>>>>
>>>>>>>> On Fri, Jun 14, 2019 at 3:18 PM Andre Puschmann <
>>>>>>>> andre.puschmann at softwareradiosystems.com> wrote:
>>>>>>>>
>>>>>>>>> You don't need to configure anything at the UE side. It detects
>>>>>>>>> everything automatically.
>>>>>>>>>
>>>>>>>>> Try pdsch_ue if you have issues with the UE and make sure you can
>>>>>>>>> receive a clean signal.
>>>>>>>>>
>>>>>>>>> Cheers
>>>>>>>>> Andre
>>>>>>>>>
>>>>>>>>> On 11/6/19 16:04, Saimanoj Katta wrote:
>>>>>>>>> > Hi,
>>>>>>>>> >
>>>>>>>>> > I have attached the logs. I analyzed and realized this: The PLMN
>>>>>>>>> which I
>>>>>>>>> > have given is not detected by the code. Furthermore, the SIB1 is
>>>>>>>>> not
>>>>>>>>> > detected. There needs to be decoding of MIB to connect, right?
>>>>>>>>> Do I need
>>>>>>>>> > to change something from expert config options?
>>>>>>>>> >
>>>>>>>>> > Further, In the README file, it says, it has been tested for
>>>>>>>>> bandwidths:
>>>>>>>>> > 1.4, 3, 5, 10, 15 and 20 MHz. I assume this is the channel
>>>>>>>>> bandwidth and
>>>>>>>>> > I need it for 20MHz. From one of the papers, I remember the
>>>>>>>>> srsLTE code
>>>>>>>>> > is set to 20MHz. How do I change it? I was not able to decode.
>>>>>>>>> >
>>>>>>>>> > Regards,
>>>>>>>>> > manu
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> --
>>>>>>>>> Andre Puschmann
>>>>>>>>>
>>>>>>>>> Software Radio Systems (SRS)
>>>>>>>>> http://www.softwareradiosystems.com
>>>>>>>>>
>>>>>>>>> PGP/GnuPG key: 6C42AB31
>>>>>>>>> fingerprint: 137A AE49 785B A445 257C 8AD7 D877 A498 6C42 AB31
>>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> srslte-users mailing list
>>>>>>>> srslte-users at lists.softwareradiosystems.com
>>>>>>>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> Ismael Gomez Ph.D.
>>>>>>>
>>>>>>> Software Radio Systems (SRS)
>>>>>>> http://www.softwareradiosystems.com
>>>>>>>
>>>>>>> ismael.gomez at softwareradiosystems.com
>>>>>>>
>>>>>>
>>>>>
>>>>> --
>>>>> Ismael Gomez Ph.D.
>>>>>
>>>>> Software Radio Systems (SRS)
>>>>> http://www.softwareradiosystems.com
>>>>>
>>>>> ismael.gomez at softwareradiosystems.com
>>>>>
>>>>
>>>
>>> --
>>> Ismael Gomez Ph.D.
>>>
>>> Software Radio Systems (SRS)
>>> http://www.softwareradiosystems.com
>>>
>>> ismael.gomez at softwareradiosystems.com
>>>
>>
>
> --
> Ismael Gomez Ph.D.
>
> Software Radio Systems (SRS)
> http://www.softwareradiosystems.com
>
> ismael.gomez at softwareradiosystems.com
>
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