[srslte-users] srsenb started correctly but can't find anyradio signal
Xavier Arteaga
xavier at softwareradiosystems.com
Wed Aug 1 10:45:56 UTC 2018
Hi Yeats,
I am afraid I cannot help you with the EPC nor on higher layers. However, I
could have a look to the enb PCAP, you can enable it in enb.conf:92.
Xavier
On 1 August 2018 at 12:17, Yeats Luo <yeatsluo at ghtinc.com> wrote:
> Hi Xavier,
>
>
>
> Otw_format=sc12 is added.
>
> The pcap is recorded with more details.
>
> The Epc server is started over along with eNB.
>
>
>
> Some funny errors can be seen on wireshark.
>
> NextEPC logs a lot of trouble messages.
>
>
>
> 192.168.100.118 192.168.100.207 S1AP 90
> UEContextReleaseRequest [RadioNetwork-cause=user-inactivity]
>
> 192.168.100.207 192.168.100.118 S1AP 106
> [RadioNetwork-cause=unknown-mme-ue-s1ap-id]
>
> 192.168.100.118 192.168.100.207 S1AP 86
> UEContextReleaseRequest[Malformed Packet]
>
>
>
> I added the photos of my set of USRP with antennas, for more eyes to
> confirm there’s nothing wrong.
>
>
>
> Yeats Luo
>
> RD Consultant
>
> Tel: 0910199166
>
> Fax:(02)2361-7627
>
>
>
> [image: cid:image001.png at 01D41D22.96651ED0]
>
>
>
> *From: *Xavier Arteaga <xavier at softwareradiosystems.com>
> *Sent: *2018年8月1日 下午 05:41
>
> *To: *Yeats Luo <yeatsluo at ghtinc.com>
> *Cc: *srslte-users at lists.softwareradiosystems.com
> *Subject: *Re: [srslte-users] srsenb started correctly but can't find
> anyradio signal
>
>
>
> Hi Yeats,
>
> I see in the log that the UE (I guess it is the Huawei Dongle) went
> through connection setup, and reconfiguration, the UE sends periodic
> reports.
>
>
>
> In order to store the PCAP properly, you need first to close the enb,
> otherwise it does not write the whole file.
>
>
>
> FYI, If you are not doing 100PRB MIMO (I found it more unstable), otw_format=sc12
> makes it more unstable.
>
>
>
> Xavier
>
>
>
>
>
>
>
> On 1 August 2018 at 10:57, Yeats Luo <yeatsluo at ghtinc.com> wrote:
>
> Dear Xavier:
>
>
>
> I finally let srsLTE to pickup radio signals and start attaching process,
>
> but the result is not successful so far.
>
> I would like to get some help by looking into the log file and explain
> what's the error "Malformed Packet" in pcap.
>
>
>
> The UE is huawei dongle which is proven working with other ENB and passed
> the NAS authentication.
>
> So I guess the issue is focused on the RF side.
>
>
>
> Any light in how to tune the enb is welcomed.
>
>
>
> Yeats Luo
>
> RD Consultant
>
> Tel: 0910199166
>
> Fax:(02)2361-7627
>
>
>
> [image: cid:image001.png at 01D41D22.96651ED0]
>
>
>
> *From: *Yeats Luo <yeatsluo at ghtinc.com>
> *Sent: *2018年8月1日 下午 12:10
> *To: *Xavier Arteaga <xavier at softwareradiosystems.com>
> *Cc: *srslte-users at lists.softwareradiosystems.com
> *Subject: *RE: [srslte-users] srsenb started correctly but can't find
> anyradio signal
>
>
>
> Sorry for keep throwing questions.
>
>
>
> UHD driver is now 3.13.
>
> srsLTE branch: master, commit 470953bf9c5875646e4d5049c8f213d202fa84fd
>
>
>
> issues:
>
> 1. Can’t start GUI, it keeps saying “Trying to start a plot but plots
> are disabled (ENABLE_GUI constant in phch_worker.cc)”
>
> But it’s confirmed libsrsgui.so is linked and compiled without error.
>
> 1. No signal. STDOUT shows this and like doing nothing forever.
> (Question: how to tune signal power in enb.conf ? and how to see power
> response without GUI?)
>
>
>
> --- Software Radio Systems LTE eNodeB ---
>
>
>
> Reading configuration file /root/.srs/enb.conf...
>
> [INFO] [UHD] linux; GNU C++ version 5.4.0 20160609; Boost_105800;
> UHD_3.13.0.0-release
>
> Opening USRP with args: type=b200,master_clock_rate=30.72e6
>
> [INFO] [B200] Detected Device: B210
>
> [INFO] [B200] Operating over USB 3.
>
> [INFO] [B200] Initialize CODEC control...
>
> [INFO] [B200] Initialize Radio control...
>
> [INFO] [B200] Performing register loopback test...
>
> [INFO] [B200] Register loopback test passed
>
> [INFO] [B200] Performing register loopback test...
>
> [INFO] [B200] Register loopback test passed
>
> [INFO] [B200] Asking for clock rate 30.720000 MHz...
>
> [INFO] [B200] Actually got clock rate 30.720000 MHz.
>
> Setting frequency: DL=1870.0 Mhz, UL=1775.0 MHz
>
> [INFO] [B200] Asking for clock rate 11.520000 MHz...
>
> Trying to start a plot but plots are disabled (ENABLE_GUI constant in
> phch_worker.cc)
>
> [INFO] [B200] Actually got clock rate 11.520000 MHz.
>
> Setting Sampling frequency 11.52 MHz
>
>
>
> 1. The execution screws USRP USB, after terminating the program, the
> USB must be pulled off and re-plugged to resume work.
>
> If not, STDOUT shows a lot of errors repeating.
>
>
>
> USRP reported the following error: None
>
> LLLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
> LLLLLLError receiving from UHD: 30
>
> USRP reported the following error: None
>
>
>
>
>
>
>
> ==== eNodeB started ===
>
> Type <t> to view trace
>
>
>
> Have a nice day
>
> Yeats Luo
>
> RD Consultant
>
> Tel: 0910199166
>
> Fax:(02)2361-7627
>
>
>
> [image: cid:image001.png at 01D41D22.96651ED0]
>
>
>
> *From: *Xavier Arteaga <xavier at softwareradiosystems.com>
> *Sent: *2018年7月23日 下午 04:01
> *To: *Yeats Luo <yeatsluo at ghtinc.com>
> *Cc: *srslte-users at lists.softwareradiosystems.com
> *Subject: *Re: [srslte-users] srsenb started correctly but can't find any
> radio signal
>
>
>
> Hi Yeats,
>
> I am sorry to read that.
>
>
>
> I saw you are using UHD 3.12, could you try with UHD 3.9? I use the UHD
> Long Term Support PPA
> <https://launchpad.net/~ettusresearch/+archive/ubuntu/uhd-3.9.lts>.
>
>
>
> Crossed fingers you have it working soon.
>
>
>
> Regards,
>
> Xavier
>
>
>
>
>
> On 23 July 2018 at 04:18, Yeats Luo <yeatsluo at ghtinc.com> wrote:
>
>
>
> Thanks for the tips.
>
> I tried this,
>
> device_args = otw_format=sc12
>
> and also tried this,
>
> device_args = type=b200,otw_format=sc12,num_recv_frames=64,num_send_frames=64
>
>
>
> Shows error messages as below. Hope to have further suggestion. Thanks.
>
>
>
> A lot of :
>
> [ERROR] [STREAMER] The receive packet handler caught a value exception.
>
> ValueError: bad vrt header or packet fragment
>
> Error code 0xf was returned during streaming. Aborting.
>
> [ERROR] [STREAMER] The receive packet handler caught a value exception.
>
> ValueError: bad vrt header or packet fragment
>
> Error timed out while receiving samples from UHD.
>
> Error code 0xf was returned during streaming. Aborting.
>
>
>
> And a log of:
>
> LLLLLLLLLLLLLLLLLLError timed out while receiving samples from UHD.
>
> LLLLLLLLLLLLLLLLLLError timed out while receiving samples from UHD.
>
> LLLLLLLLLLLLLLLLLLError timed out while receiving samples from UHD.
>
> …..
>
> ….
>
>
>
> Yeats Luo
>
> RD Consultant
>
> Tel: 0910199166
>
> Fax:(02)2361-7627
>
>
>
> [image: cid:image001.png at 01D41D22.96651ED0]
>
>
>
> *寄件者: *Xavier Arteaga <xavier at softwareradiosystems.com>
> *傳送時間: *2018年7月20日 下午 08:49
> *收件者: *Yeats Luo <yeatsluo at ghtinc.com>
> *副本: *srslte-users at lists.softwareradiosystems.com
> *主旨: *Re: [srslte-users] srsenb started correctly but can't find any
> radio signal
>
>
>
> Hi Yeats,
>
> Can you append "otw_format=sc12" to device_args in enb.conf?
>
>
>
> Let me know how it goes.
>
>
>
> Regards,
>
> Xavier
>
>
>
> On 20 July 2018 at 09:37, Yeats Luo <yeatsluo at ghtinc.com> wrote:
>
> The attached picture shows that there’s no radio signal picked.
>
> What did I miss ?
>
>
>
> Yeats Luo
>
> RD Consultant
>
> Tel: 0910199166
>
> Fax:(02)2361-7627
>
>
>
> [image: cid:image001.png at 01D41D22.96651ED0]
>
>
>
> *寄件者: *Yeats Luo <yeatsluo at ghtinc.com>
> *傳送時間: *2018年7月20日 下午 12:38
> *收件者: *srslte-users at lists.softwareradiosystems.com
> *主旨: *srsenb started correctly but can't find any radio signal
>
>
>
> I configured a srsENB with USRP B210 antenna, to connect to nextEPC in
> another machine.
>
> Everything runs fine without any error message, however, the RF signal
> seems to be a flat line ( a single dot in the GUI QAM chart)
>
> Of course, none of my mobile device can find a working service provider on
> air.
>
> How do I trace the problem like this ?
>
>
>
>
>
> UHD benchmark succeeded without any error
>
> TX Summary: Frequency Range: 50.00 MHz - 6000.00 MHz (Step: 100.00 MHz)
>
> Gain Range: 0.00 - 89.75 (Step: 1.00)
>
> USRP successfully tuned to all frequencies.
>
> LO successfully locked at all frequencies.
>
> USRP successfully set all specified gain values at all frequencies.
>
>
>
> RX Summary: Frequency Range: 50.00 MHz - 5950.00 MHz (Step: 100.00 MHz)
>
> Gain Range: 0.00 - 76.00 (Step: 1.00)
>
> USRP successfully tuned to all frequencies.
>
> LO successfully locked at all frequencies.
>
> USRP successfully set all specified gain values at all frequencies.
>
>
>
> Console
>
> root at enb118:~/.srs# srsenb
>
> --- Software Radio Systems LTE eNodeB ---
>
>
>
> Reading configuration file /root/.srs/enb.conf...
>
> [INFO] [UHD] linux; GNU C++ version 5.4.0 20160609; Boost_105800;
> UHD_3.12.0.0-release
>
> Opening USRP with args: type=b200,master_clock_rate=30.72e6
>
> [INFO] [B200] Detected Device: B210
>
> [INFO] [B200] Operating over USB 3.
>
> [INFO] [B200] Initialize CODEC control...
>
> [INFO] [B200] Initialize Radio control...
>
> [INFO] [B200] Performing register loopback test...
>
> [INFO] [B200] Register loopback test passed
>
> [INFO] [B200] Performing register loopback test...
>
> [INFO] [B200] Register loopback test passed
>
> [INFO] [B200] Asking for clock rate 30.720000 MHz...
>
> [INFO] [B200] Actually got clock rate 30.720000 MHz.
>
> [INFO] [MULTI_USRP] 1) catch time transition at pps edge
>
> [INFO] [MULTI_USRP] 2) set times next pps (synchronously)
>
> [ERROR] [STREAMER] recv packet demuxer unexpected sid 0xfe7803a1
>
> [ERROR] [STREAMER] recv packet demuxer unexpected sid 0xffdf0072
>
> Setting frequency: DL=1842.5 Mhz, UL=1747.5 MHz
>
> [INFO] [B200] Asking for clock rate 23.040000 MHz...
>
> Starting plot for worker_id=0
>
> [INFO] [B200] Actually got clock rate 23.040000 MHz.
>
> Setting Sampling frequency 23.04 MHz
>
>
>
> ==== eNodeB started ===
>
> Type <t> to view trace
>
> DDDDLLLLLLLLLLLLLLLLLLLLLLt
>
> Enter t to stop trace.
>
>
>
>
>
> Enb.conf
>
> [enb]
>
> enb_id = 0x19B
>
> cell_id = 0x01
>
> phy_cell_id = 1
>
> tac = 0x0001
>
> mcc = 208
>
> mnc = 93
>
> mme_addr = 192.168.100.207
>
> gtp_bind_addr = 192.168.100.118
>
> s1c_bind_addr = 192.168.100.118
>
> n_prb = 100
>
> tm=4
>
> nof_ports=2
>
>
>
> [rf]
>
> dl_earfcn = 1575
>
>
>
>
>
>
>
> enb.log
>
> 12:30:26.453639 [PHY0] [I] [00000] Worker 0 configured cell 100 PRB
>
> 12:30:26.780562 [PHY1] [I] [00000] Worker 0 configured cell 100 PRB
>
> 12:30:26.790367 [MAC ] [I] [00000] Resetting MAC
>
> 12:30:26.790992 [RRC ] [I] Allocating 2 PRBs for PUCCH
>
> 12:30:26.794078 [S1AP] [I] Connecting to MME 192.168.100.207:36412
>
> 12:30:26.795161 [GTPU] [D] Waiting for read...
>
> 12:30:26.795267 [S1AP] [I] SCTP socket established with MME
>
> 12:30:26.795394 [S1AP] [I] Sending s1SetupRequest
>
> 0000: 00 11 00 2d 00 00 04 00 3b 00 08 00 02 f8 39 00
>
> 0010: 00 19 b0 00 3c 40 0a 03 80 73 72 73 65 6e 62 30
>
> 12:30:26.800858 [S1AP] [I] Received S1AP PDU
>
> 0000: 20 11 00 17 00 00 02 00 69 00 0b 00 00 02 f8 39
>
> 0010: 00 00 00 02 00 01 00 57 40 01 ff
>
> 12:30:26.800895 [S1AP] [I] Received S1SetupResponse
>
> 12:30:27.442958 [PHY0] [I] [00000] Starting RX/TX thread nof_prb=100,
> sf_len=23040
>
> 12:30:27.443163 [RF ] [W] Overflow
>
> 12:30:27.443176 [RF ] [W] Overflow
>
> 12:30:27.643245 [RF ] [W] Overflow
>
> 12:30:27.643271 [RF ] [W] Overflow
>
> 12:30:27.644250 [PHY0] [D] [00000] Settting TTI=10236, tx_mutex=0,
> tx_time=0:0.004000 to worker 0
>
> 12:30:27.644640 [PHY0] [D] [10236] Worker 0 running
>
> 12:30:27.644779 [MAC ] [D] [00004] Allocating PUCCH (98,100)
>
> 12:30:27.645011 [PHY0] [D] [10236] Sending to radio
>
> 12:30:27.645252 [RF ] [W] Late
>
> 12:30:27.645283 [RF ] [W] Late
>
> 12:30:27.645325 [PHY0] [D] [10236] Settting TTI=10237, tx_mutex=1,
> tx_time=2:0.136233 to worker 1
>
> 12:30:27.645361 [RF ] [W] Late
>
> 12:30:27.645443 [RF ] [W] Late
>
> 12:30:27.645498 [RF ] [W] Late
>
> 12:30:27.645562 [RF ] [W] Late
>
> 12:30:27.645605 [RF ] [W] Late
>
> 12:30:27.645680 [RF ] [W] Late
>
> 12:30:27.645698 [PHY1] [D] [10237] Worker 1 running
>
> 12:30:27.645724 [RF ] [W] Late
>
> 12:30:27.645801 [RF ] [W] Late
>
> 12:30:27.645816 [MAC ] [D] [00005] Allocating PUCCH (98,100)
>
> 12:30:27.645840 [RF ] [W] Late
>
> 12:30:27.645848 [RF ] [W] Late
>
> 12:30:27.645881 [RF ] [W] Late
>
> 12:30:27.645889 [RF ] [W] Late
>
> 12:30:27.645922 [RF ] [W] Late
>
> 12:30:27.646029 [PHY1] [D] [10237] Sending to radio
>
> 12:30:27.646287 [PHY0] [D] [10236] Settting TTI=10238, tx_mutex=2,
> tx_time=2:0.137233 to worker 0
>
> 12:30:27.646301 [PHY0] [D] [10238] Worker 0 running
>
> 12:30:27.646401 [MAC ] [D] [00006] Allocating PUCCH (98,100)
>
> 12:30:27.646573 [PHY0] [D] [10238] Sending to radio
>
> 12:30:27.647173 [PHY0] [D] [10238] Settting TTI=10239, tx_mutex=3,
> tx_time=2:0.138233 to worker 1
>
> 12:30:27.647188 [PHY1] [D] [10239] Worker 1 running
>
> 12:30:27.647277 [MAC ] [D] [00007] Allocating PUCCH (98,100)
>
> 12:30:27.647435 [PHY1] [D] [10239] Sending to radio
>
> 12:30:27.648708 [PHY0] [D] [10238] Settting TTI=0, tx_mutex=4,
> tx_time=2:0.139233 to worker 0
>
> 12:30:27.648722 [PHY0] [D] [00000] Worker 0 running
>
> 12:30:27.648825 [MAC ] [D] [00008] Allocating PUCCH (98,100)
>
> 12:30:27.648988 [PHY0] [D] [00000] Sending to radio
>
> 12:30:27.649672 [PHY0] [D] [00000] Settting TTI=1, tx_mutex=5,
> tx_time=2:0.140233 to worker 1
>
> 12:30:27.649687 [PHY1] [D] [00001] Worker 1 running
>
> 12:30:27.649744 [PHY0] [D] [00000] Processing pending_tti=1
>
> ………..(forever reapeating)
>
>
>
>
>
>
>
>
>
>
>
> Yeats Luo
>
> RD Consultant
>
> Tel: 0910199166
>
> Fax:(02)2361-7627
>
>
>
> [image: cid:image001.png at 01D41D22.96651ED0]
>
>
>
>
>
>
> _______________________________________________
> srslte-users mailing list
> srslte-users at lists.softwareradiosystems.com
> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
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