[srslte-users] Having troubles to connect srsUE with srsENB

Thu Jun 6 13:16:58 UTC 2019

Hi Justin,

Thank  you for your response. Below the output on the UE side:

~/srsLTE/build$ ./lib/examples/pdsch_ue -f 2685000000
Opening RF device with 1 RX antennas...
Opening bladeRF...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
Starting AGC thread...
Tunning receiver to 2685.000 MHz
set RX frequency to 2685000000
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 0 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 1 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 2 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 3 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 4 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 5 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 6 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 7 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 8 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 9 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 10 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 11 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
*Found Cell_id:   0 TDD, CP: Normal  , DetectRatio=100% PSR=2.41,
Power=-10.2 dBm
 Found Cell_id:   0 FDD, CP: Normal  , DetectRatio= 0% PSR=0.00, Power=-inf
dBm
 Found Cell_id:   0 FDD, CP: Normal  , DetectRatio= 0% PSR=0.00, Power=-inf
dBm
Decoding PBCH for cell 0 (N_id_2=0)
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
Cell not found after 12 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 13 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 14 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 15 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 16 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 17 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 18 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 19 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 20 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 21 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 22 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 23 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 24 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 25 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 26 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 27 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 28 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 29 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 30 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 31 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 32 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 33 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 34 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 35 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 36 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 37 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 38 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 39 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 40 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 41 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 42 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 43 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 44 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 45 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 46 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Cell not found after 47 trials. Trying again (Press Ctrl+C to exit)
Searching for cell...
Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
^CSIGINT received. Exiting...
/home/moe/srsLTE/lib/src/phy/rf/rf_utils.c.193: Could not find any cell in
this frequency

Thanks

On Thu, Jun 6, 2019 at 4:15 AM Justin Tallon <
justin.tallon at softwareradiosystems.com> wrote:

> Hey Mohammed,
>
> As a first step, why don't you try to receive your enb signal with a
> pdsch_ue  to ensure everything is working properly at a radio level.
>
> To do this cd to your build folder at your ue machine and run the
> following "./lib/examples/pdsch_ue -f <freq>"
>
> where <freq> is the downlink frequency of the enb you currently have
> running.
>
> Let me know what the output looks like.
>
> Regards,
>
> Justin
> ____
> Justin Tallon Ph.D.
>
> Software Radio Systems (SRS)
> http://www.softwareradiosystems.com
>
> +353-86-067-0753 | justin.tallon at softwareradiosystems.com
>
>
> On Thu, Jun 6, 2019 at 10:02 AM Mohammed Jabi <mohammed.jabi.mj at gmail.com>
> wrote:
>
>> Hi everyone,
>>
>> I am totally new to srsLTE and any help would be appreciated. I am trying
>> to connect srsue with srsenb. I have followed all steps described in the
>> github page but ue is not able to detect enb.
>>
>> I am using 2 BladeRFx40; one for ue and the other for enb. I am also
>> adopting the configuration provided without any changes. Both machines run
>> ubuntu 18.04.2 LTS and their CPUs are:
>> UE machine: Dual core Intel Core i7-4500U (-MT-MCP-) cache: 4096 KB
>>            clock speeds: max: 3000 MHz 1: 1151 MHz 2: 1101 MHz 3: 1078 MHz
>>            4: 1093 MHz
>> enB machine: Quad core Intel Core i7-3770 (-MT-MCP-) cache: 8192 KB
>>            clock speeds: max: 3900 MHz 1: 1774 MHz 2: 1922 MHz 3: 1797 MHz
>>            4: 1769 MHz 5: 1818 MHz 6: 2006 MHz 7: 1929 MHz 8: 1889 MHz
>>
>> You find attached log files when I run:  "sudo srsue
>> --log.all_level=info". When I run"
>> sudo srsenb --log.all_level=info", the enb.log is always empty. Below the
>> outputs in terminals:
>>
>> XXXXXXXXXXXXXXX
>> sudo srsepc
>>
>> Built in Release mode using commit 5343b33f on branch master.
>>
>>
>> ---  Software Radio Systems EPC  ---
>>
>> Reading configuration file /home/remi/.config/srslte/epc.conf...
>> HSS Initialized.
>> MME S11 Initialized
>> MME GTP-C Initialized
>> MME Initialized. MCC: 0xf001, MNC: 0xff01
>> SPGW GTP-U Initialized.
>> SPGW S11 Initialized.
>> SP-GW Initialized.
>> Received S1 Setup Request.
>> S1 Setup Request - eNB Name: srsenb01, eNB id: 0x19b
>> S1 Setup Request - MCC:001, MNC:01, PLMN: 61712
>> S1 Setup Request - TAC 7, B-PLMN 0
>> S1 Setup Request - Paging DRX 2
>> Sending S1 Setup Response
>> SCTP Association Shutdown. Association: 12
>> Deleting eNB context. eNB Id: 0x19b
>> Releasing UEs context
>> No UEs to be released
>> ^CDeleting UE context in HSS. IMSI: 001010123456780
>> Deleting UE context in HSS. IMSI: 001010123456789
>>
>> XXXXXXXXXXXXXXX
>> sudo srsenb --log.all_level=info
>>
>> Built in Release mode using commit 5343b33f on branch master.
>>
>> ---  Software Radio Systems LTE eNodeB  ---
>>
>> Reading configuration file /home/remi/.config/srslte/enb.conf...
>> Opening bladeRF...
>> Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
>> Setting frequency: DL=2685.0 Mhz, UL=2565.0 MHz
>> set TX frequency to 2684999936
>> set RX frequency to 2564999936
>> Setting Sampling frequency 11.52 MHz
>> Set RX sampling rate 11.52 Mhz, filter BW: 10.00 Mhz
>>
>> ==== eNodeB started ===
>> Type <t> to view trace
>> ^CStopping srsENB... Press Ctrl+C 9 more times to force stop
>> Warning could not stop properly PHY
>> ---  exiting  ---
>>
>> XXXXXXXXXXXXXXX
>> sudo srsue --log.all_level=info
>> Reading configuration file /home/moe/.config/srslte/ue.conf...
>>
>> Built in Release mode using commit 5343b33f on branch master.
>>
>> ---  Software Radio Systems LTE UE  ---
>>
>> Opening 1 RF devices with 1 RF channels...
>> Opening bladeRF...
>> Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
>> Waiting PHY to initialize...
>> ...
>> Attaching UE...
>> Searching cell in DL EARFCN=3400, f_dl=2685.0 MHz, f_ul=2565.0 MHz
>> set RX frequency to 2685000000
>> set TX frequency to 2565000000
>> Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
>> ............................................^CStopping srsUE... Press
>> Ctrl+C 9 more times to force stop
>> .---  exiting  ---
>>
>> please let me if you do need any necessary additional files.  Thank you
>>
>>
>>
>>
>>
>>
>> _______________________________________________
>> srslte-users mailing list
>> srslte-users at lists.softwareradiosystems.com
>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>>
>
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