[srslte-users] Failed to get Release 10(?) bcch_dlsch messages.

Ismael Gomez ismael.gomez at softwareradiosystems.com
Wed Jun 1 13:19:19 UTC 2016


Hi Enes,

Have you tried commenting the call to the function mac->bcch_stop_rx() in
function rrc::write_pdu_bcch_dlsch()?

 line 269 (ie when SIB2 is received)



On Wed, 1 Jun 2016 at 07:49 Enes ÜNAL <aenesunal at gmail.com> wrote:

> Hello Ismael,
>
> I successfully got SIB messages with the modifications you made. For SIB1,
> SIB2, SIB3 messages, there is no problem. However, when I try to get SIB5
> message, as I do with the other commercial operators, there is no message
> received. BTW, I got SIB5 messages by calling sib_start_tti(tti, period, 5)
> with third parameter by 5 instead of 0. Is the bug resolved fully, or there
> may be another issue with SI-RNTI?
>
> Thanks a lot,
> Enes.
>
> 31 May 2016 Sal, 22:26 tarihinde, Ismael Gomez <
> ismael.gomez at softwareradiosystems.com> şunu yazdı:
>
>> HI Enes,
>>
>> I think I detected a bug in how the TBS is computed for Format1C
>> scrambled with SI-RNTI. Can you please checkout the latest master of srsLTE
>> and recompile again both srsLTE and srsUE? Make sure the compilation is
>> clean and you link against the new libraries (ie better make uninstall if
>> you did and remove build directory).
>>
>> thanks for your help
>>
>> On Tue, 31 May 2016 at 09:18 Enes ÜNAL <aenesunal at gmail.com> wrote:
>>
>>> Hello Ismael, here is the result:
>>>
>>> $ sudo ./ue/src/ue ue.conf
>>> linux; GNU C++ version 5.3.1 20151219; Boost_105800;
>>> UHD_003.009.002-0-unknown
>>>
>>> ---  Software Radio Systems LTE UE  ---
>>>
>>> Reading configuration file ue.conf...
>>> Using srsLTE version 001.002.000
>>> -- Detected Device: B200mini
>>> -- Operating over USB 3.
>>> -- Initialize CODEC control...
>>> -- Initialize Radio control...
>>> -- Performing register loopback test... pass
>>> -- Performing CODEC loopback test... pass
>>> -- Asking for clock rate 16.000000 MHz...
>>> -- Actually got clock rate 16.000000 MHz.
>>> -- Performing timer loopback test... pass
>>> -- Setting master clock rate selection to 'automatic'.
>>> -- Asking for clock rate 32.000000 MHz...
>>> -- Actually got clock rate 32.000000 MHz.
>>> -- Performing timer loopback test... pass
>>> -- Asking for clock rate 16.000000 MHz...
>>> -- Actually got clock rate 16.000000 MHz.
>>> -- Performing timer loopback test... pass
>>> Setting frequency: DL=796.0 Mhz, UL=2560.0 MHz
>>> Searching for cell...
>>> Using Volk machine: avx2_64_mmx_orc
>>> Found CELL ID: 279 CP: Normal  , CFO: 0.2 KHz.
>>> Trying to decode MIB...
>>>  - Cell ID:         279
>>>  - Nof ports:       2
>>>  - CP:              Normal
>>>  - PRB:             50
>>>  - PHICH Length:    Normal
>>>  - PHICH Resources: 1/6
>>>  - SFN:             0
>>> MIB received BW=10 MHz
>>> Initializating cell configuration...
>>> Setting Sampling frequency 11.52 MHz
>>> Received DCI with TBS=0 bits
>>> DCI HEX: [00 06 ];
>>> DCI contents:
>>>  - Resource Allocation Type: Type 2
>>>    + Type: Distributed
>>>    + Resource Indicator Value: 0
>>>    + VRB Assignment: 4 VRB starting with VRB 0
>>>    + VRB gap selection: Gap 1
>>>    + VRB gap: 27
>>>  - Modulation and coding scheme index: 6
>>>  - HARQ process: 0
>>>  - New data indicator: No
>>>  - Redundancy version: 0
>>>  - TPC command for PUCCH: --
>>> Received DCI with TBS=0 bits
>>> DCI HEX: [00 06 ];
>>> DCI contents:
>>>  - Resource Allocation Type: Type 2
>>>    + Type: Distributed
>>>    + Resource Indicator Value: 0
>>>    + VRB Assignment: 4 VRB starting with VRB 0
>>>    + VRB gap selection: Gap 1
>>>    + VRB gap: 27
>>>  - Modulation and coding scheme index: 6
>>>  - HARQ process: 0
>>>  - New data indicator: No
>>>  - Redundancy version: 0
>>>  - TPC command for PUCCH: --
>>> Received DCI with TBS=0 bits
>>> DCI HEX: [00 06 ];
>>> DCI contents:
>>>  - Resource Allocation Type: Type 2
>>>    + Type: Distributed
>>>    + Resource Indicator Value: 0
>>>    + VRB Assignment: 4 VRB starting with VRB 0
>>>    + VRB gap selection: Gap 1
>>>    + VRB gap: 27
>>>  - Modulation and coding scheme index: 6
>>>  - HARQ process: 0
>>>  - New data indicator: No
>>>  - Redundancy version: 0
>>>  - TPC command for PUCCH: --
>>> Received DCI with TBS=0 bits
>>> DCI HEX: [00 06 ];
>>> DCI contents:
>>>  - Resource Allocation Type: Type 2
>>>    + Type: Distributed
>>>    + Resource Indicator Value: 0
>>>    + VRB Assignment: 4 VRB starting with VRB 0
>>>    + VRB gap selection: Gap 1
>>>    + VRB gap: 27
>>>  - Modulation and coding scheme index: 6
>>>  - HARQ process: 0
>>>  - New data indicator: No
>>>  - Redundancy version: 0
>>>  - TPC command for PUCCH: --
>>> Received DCI with TBS=0 bits
>>> DCI HEX: [00 06 ];
>>> DCI contents:
>>>  - Resource Allocation Type: Type 2
>>>    + Type: Distributed
>>>    + Resource Indicator Value: 0
>>>    + VRB Assignment: 4 VRB starting with VRB 0
>>>    + VRB gap selection: Gap 1
>>>    + VRB gap: 27
>>>  - Modulation and coding scheme index: 6
>>>  - HARQ process: 0
>>>  - New data indicator: No
>>>  - Redundancy version: 0
>>>  - TPC command for PUCCH: --
>>> Received DCI with TBS=0 bits
>>> DCI HEX: [00 06 ];
>>> DCI contents:
>>>  - Resource Allocation Type: Type 2
>>>    + Type: Distributed
>>>    + Resource Indicator Value: 0
>>>    + VRB Assignment: 4 VRB starting with VRB 0
>>>    + VRB gap selection: Gap 1
>>>    + VRB gap: 27
>>>  - Modulation and coding scheme index: 6
>>>  - HARQ process: 0
>>>  - New data indicator: No
>>>  - Redundancy version: 0
>>>  - TPC command for PUCCH: --
>>> Received DCI with TBS=0 bits
>>> DCI HEX: [00 06 ];
>>> DCI contents:
>>>  - Resource Allocation Type: Type 2
>>>    + Type: Distributed
>>>    + Resource Indicator Value: 0
>>>    + VRB Assignment: 4 VRB starting with VRB 0
>>>    + VRB gap selection: Gap 1
>>>    + VRB gap: 27
>>>  - Modulation and coding scheme index: 6
>>>  - HARQ process: 0
>>>  - New data indicator: No
>>>  - Redundancy version: 0
>>>  - TPC command for PUCCH: --
>>> ^CReceived DCI with TBS=0 bits
>>> DCI HEX: [00 06 ];
>>> DCI contents:
>>>  - Resource Allocation Type: Type 2
>>>    + Type: Distributed
>>>    + Resource Indicator Value: 0
>>>    + VRB Assignment: 4 VRB starting with VRB 0
>>>    + VRB gap selection: Gap 1
>>>    + VRB gap: 27
>>>  - Modulation and coding scheme index: 6
>>>  - HARQ process: 0
>>>  - New data indicator: No
>>>  - Redundancy version: 0
>>>  - TPC command for PUCCH: --
>>> Received DCI with TBS=0 bits
>>> DCI HEX: [00 06 ];
>>> DCI contents:
>>>  - Resource Allocation Type: Type 2
>>>    + Type: Distributed
>>>    + Resource Indicator Value: 0
>>>    + VRB Assignment: 4 VRB starting with VRB 0
>>>    + VRB gap selection: Gap 1
>>>    + VRB gap: 27
>>>  - Modulation and coding scheme index: 6
>>>  - HARQ process: 0
>>>  - New data indicator: No
>>>  - Redundancy version: 0
>>>  - TPC command for PUCCH: --
>>> Received DCI with TBS=0 bits
>>> DCI HEX: [00 06 ];
>>> DCI contents:
>>>  - Resource Allocation Type: Type 2
>>>    + Type: Distributed
>>>    + Resource Indicator Value: 0
>>>    + VRB Assignment: 4 VRB starting with VRB 0
>>>    + VRB gap selection: Gap 1
>>>    + VRB gap: 27
>>>  - Modulation and coding scheme index: 6
>>>  - HARQ process: 0
>>>  - New data indicator: No
>>>  - Redundancy version: 0
>>>  - TPC command for PUCCH: --
>>> Received DCI with TBS=0 bits
>>> DCI HEX: [00 06 ];
>>> DCI contents:
>>>  - Resource Allocation Type: Type 2
>>>    + Type: Distributed
>>>    + Resource Indicator Value: 0
>>>    + VRB Assignment: 4 VRB starting with VRB 0
>>>    + VRB gap selection: Gap 1
>>>    + VRB gap: 27
>>>  - Modulation and coding scheme index: 6
>>>  - HARQ process: 0
>>>  - New data indicator: No
>>>  - Redundancy version: 0
>>>  - TPC command for PUCCH: --
>>> ---  exiting  ---
>>>
>>>
>>> #####################################################################
>>> Logs:
>>> #####################################################################
>>>
>>> 10:16:20.406 [MAC ] Info    [00000] Resetting MAC
>>> 10:16:20.408 [MAC ] Info    [00000] Waiting PHY to synchronize with cell
>>> 10:16:21.727 [RLC ] Info    BCCH BCH message received.
>>>              0000: 60 00 00
>>> 10:16:21.727 [RRC ] Info    BCCH BCH message received.
>>>              0000: 60 00 00
>>> 10:16:21.727 [RRC ] Info    BCCH BCH message Stack latency: 18 us
>>> 10:16:21.727 [RRC ] Info    MIB received BW=10 MHz
>>> 10:16:26.256 [PHY ] Info    [00000] SYNC:  Cell found. Synchronizing...
>>> 10:16:26.258 [PHY ] Info    [00000] SYNC:  PSS/SSS not found...
>>> 10:16:26.259 [PHY ] Info    [00000] SYNC:  PSS/SSS not found...
>>> 10:16:26.260 [PHY ] Info    [00000] SYNC:  PSS/SSS not found...
>>> 10:16:26.261 [PHY ] Info    [00000] SYNC:  PSS/SSS not found...
>>> 10:16:26.265 [PHY ] Info    [00000] SYNC:  Decoding MIB...
>>> 10:16:26.266 [PHY ] Info    [00000] SYNC:  DONE, TTI=4560, sfn_offset=0
>>> 10:16:26.290 [MAC ] Info    [00000] SCHED: Searching for DL grant for
>>> SI-RNTI window_st=4605, window_len=1
>>> 10:16:26.307 [MAC ] Info    [04603] BSR:   QUEUE status: 0 (0), 0 (0), 0
>>> (0), 0 (0), 0 (0), 0 (0),
>>> 10:16:26.311 [PHY ] Info    [04605] PDSCH: l_crb= 4, harq=0, tbs=0,
>>> mcs=0, rv=0, crc=OK, snr=-6.2 dB, n_iter=0, dec_time=  45 us
>>> 10:16:26.311 [MAC ] Warning [04606] Trying to push PDU with payload size
>>> zero
>>> 10:16:26.311 [MAC ] Info    [04606] DL 0:  newTX tbs=0, rv=0, ack=OK,
>>> ndi=0 (0), tti=0 (0)
>>> 10:16:26.400 [MAC ] Info    [04695] SCHED: Searching for DL grant for
>>> SI-RNTI window_st=4705, window_len=1
>>> 10:16:26.411 [PHY ] Info    [04706] PDSCH: l_crb= 4, harq=0, tbs=0,
>>> mcs=0, rv=0, crc=OK, snr=-6.2 dB, n_iter=0, dec_time=  51 us
>>> 10:16:26.411 [MAC ] Warning [04707] Trying to push PDU with payload size
>>> zero
>>> 10:16:26.411 [MAC ] Info    [04707] DL 0:  newTX tbs=0, rv=0, ack=OK,
>>> ndi=0 (0), tti=0 (0)
>>> 10:16:26.510 [MAC ] Info    [04805] SCHED: Searching for DL grant for
>>> SI-RNTI window_st=4825, window_len=1
>>> 10:16:26.531 [PHY ] Info    [04825] PDSCH: l_crb= 4, harq=0, tbs=0,
>>> mcs=0, rv=0, crc=OK, snr=-6.2 dB, n_iter=0, dec_time=  42 us
>>> 10:16:26.531 [MAC ] Warning [04826] Trying to push PDU with payload size
>>> zero
>>> 10:16:26.531 [MAC ] Info    [04826] DL 0:  newTX tbs=0, rv=0, ack=OK,
>>> ndi=0 (0), tti=0 (0)
>>> 10:16:26.620 [MAC ] Info    [04915] SCHED: Searching for DL grant for
>>> SI-RNTI window_st=4925, window_len=1
>>> 10:16:26.631 [PHY ] Info    [04925] PDSCH: l_crb= 4, harq=0, tbs=0,
>>> mcs=0, rv=0, crc=OK, snr=-6.1 dB, n_iter=0, dec_time=  43 us
>>> 10:16:26.631 [MAC ] Warning [04926] Trying to push PDU with payload size
>>> zero
>>> 10:16:26.631 [MAC ] Info    [04926] DL 0:  newTX tbs=0, rv=0, ack=OK,
>>> ndi=0 (0), tti=0 (0)
>>> 10:16:26.730 [MAC ] Info    [05025] SCHED: Searching for DL grant for
>>> SI-RNTI window_st=5045, window_len=1
>>> 10:16:26.751 [PHY ] Info    [05045] PDSCH: l_crb= 4, harq=0, tbs=0,
>>> mcs=0, rv=0, crc=OK, snr=-6.2 dB, n_iter=0, dec_time=  44 us
>>> 10:16:26.751 [MAC ] Warning [05046] Trying to push PDU with payload size
>>> zero
>>> 10:16:26.751 [MAC ] Info    [05046] DL 0:  newTX tbs=0, rv=0, ack=OK,
>>> ndi=0 (0), tti=0 (0)
>>> 10:16:26.808 [MAC ] Info    [05104] BSR:   QUEUE status: 0 (0), 0 (0), 0
>>> (0), 0 (0), 0 (0), 0 (0),
>>> 10:16:26.840 [MAC ] Info    [05135] SCHED: Searching for DL grant for
>>> SI-RNTI window_st=5145, window_len=1
>>> 10:16:26.851 [PHY ] Info    [05145] PDSCH: l_crb= 4, harq=0, tbs=0,
>>> mcs=0, rv=0, crc=OK, snr=-6.2 dB, n_iter=0, dec_time=  39 us
>>> 10:16:26.851 [MAC ] Warning [05146] Trying to push PDU with payload size
>>> zero
>>> 10:16:26.851 [MAC ] Info    [05146] DL 0:  newTX tbs=0, rv=0, ack=OK,
>>> ndi=0 (0), tti=0 (0)
>>> 10:16:26.950 [MAC ] Info    [05245] SCHED: Searching for DL grant for
>>> SI-RNTI window_st=5265, window_len=1
>>> 10:16:26.971 [PHY ] Info    [05265] PDSCH: l_crb= 4, harq=0, tbs=0,
>>> mcs=0, rv=0, crc=OK, snr=-6.2 dB, n_iter=0, dec_time=  44 us
>>> 10:16:26.971 [MAC ] Warning [05266] Trying to push PDU with payload size
>>> zero
>>> 10:16:26.971 [MAC ] Info    [05266] DL 0:  newTX tbs=0, rv=0, ack=OK,
>>> ndi=0 (0), tti=0 (0)
>>> 10:16:27.060 [MAC ] Info    [05355] SCHED: Searching for DL grant for
>>> SI-RNTI window_st=5365, window_len=1
>>> 10:16:27.071 [PHY ] Info    [05365] PDSCH: l_crb= 4, harq=0, tbs=0,
>>> mcs=0, rv=0, crc=OK, snr=-6.2 dB, n_iter=0, dec_time=  43 us
>>> 10:16:27.071 [MAC ] Warning [05366] Trying to push PDU with payload size
>>> zero
>>> 10:16:27.071 [MAC ] Info    [05366] DL 0:  newTX tbs=0, rv=0, ack=OK,
>>> ndi=0 (0), tti=0 (0)
>>> 10:16:27.170 [MAC ] Info    [05465] SCHED: Searching for DL grant for
>>> SI-RNTI window_st=5485, window_len=1
>>> 10:16:27.191 [PHY ] Info    [05485] PDSCH: l_crb= 4, harq=0, tbs=0,
>>> mcs=0, rv=0, crc=OK, snr=-6.1 dB, n_iter=0, dec_time=  44 us
>>> 10:16:27.191 [MAC ] Warning [05486] Trying to push PDU with payload size
>>> zero
>>> 10:16:27.191 [MAC ] Info    [05486] DL 0:  newTX tbs=0, rv=0, ack=OK,
>>> ndi=0 (0), tti=0 (0)
>>> 10:16:27.280 [MAC ] Info    [05575] SCHED: Searching for DL grant for
>>> SI-RNTI window_st=5585, window_len=1
>>> 10:16:27.291 [PHY ] Info    [05585] PDSCH: l_crb= 4, harq=0, tbs=0,
>>> mcs=0, rv=0, crc=OK, snr=-6.2 dB, n_iter=0, dec_time=  42 us
>>> 10:16:27.291 [MAC ] Warning [05586] Trying to push PDU with payload size
>>> zero
>>> 10:16:27.291 [MAC ] Info    [05586] DL 0:  newTX tbs=0, rv=0, ack=OK,
>>> ndi=0 (0), tti=0 (0)
>>> 10:16:27.309 [MAC ] Info    [05605] BSR:   QUEUE status: 0 (0), 0 (0), 0
>>> (0), 0 (0), 0 (0), 0 (0),
>>> 10:16:27.390 [MAC ] Info    [05685] SCHED: Searching for DL grant for
>>> SI-RNTI window_st=5705, window_len=1
>>> 10:16:27.411 [PHY ] Info    [05705] PDSCH: l_crb= 4, harq=0, tbs=0,
>>> mcs=0, rv=0, crc=OK, snr=-6.1 dB, n_iter=0, dec_time=  43 us
>>> 10:16:27.411 [MAC ] Warning [05705] Trying to push PDU with payload size
>>> zero
>>> 10:16:27.411 [MAC ] Info    [05705] DL 0:  newTX tbs=0, rv=0, ack=OK,
>>> ndi=0 (0), tti=0 (0)
>>> 10:16:27.500 [MAC ] Info    [05705] SCHED: Searching for DL grant for
>>> SI-RNTI window_st=5725, window_len=1
>>> Closing log
>>>
>>>
>>>
>>> Enes.
>>>
>>> aenesunal at gmail.com - T: 554 547 60 57
>>>
>>> 2016-05-31 1:05 GMT+03:00 Ismael Gomez <
>>> ismael.gomez at softwareradiosystems.com>:
>>>
>>>> Hi Enes,
>>>>
>>>> Thanks for providing these files. I could access the symbols in the
>>>> core dump.
>>>>
>>>> Nonetheless, I created a branch for printing some info whenever there
>>>> is a DCI grant with 0 TBS. Can you try to run it and send the logs and
>>>> screen output please? The branch is name is "test_enes"
>>>>
>>>> Thanks
>>>>
>>>> On Mon, 30 May 2016 at 20:52 Enes ÜNAL <aenesunal at gmail.com> wrote:
>>>>
>>>>> I suppress the segfault and here is the ue.log:
>>>>>
>>>>> 21:49:53.534 [MAC ] Info    [00000] Resetting MAC
>>>>> 21:49:53.536 [MAC ] Info    [00000] Waiting PHY to synchronize with
>>>>> cell
>>>>> 21:49:54.868 [RLC ] Info    BCCH BCH message received.
>>>>>              0000: 61 24 00
>>>>> 21:49:54.868 [RRC ] Info    BCCH BCH message received.
>>>>>              0000: 61 24 00
>>>>> 21:49:54.868 [RRC ] Info    BCCH BCH message Stack latency: 8 us
>>>>> 21:49:54.868 [RRC ] Info    MIB received BW=10 MHz
>>>>> 21:49:59.372 [PHY ] Info    [00000] SYNC:  Cell found. Synchronizing...
>>>>> 21:49:59.375 [PHY ] Info    [00000] SYNC:  PSS/SSS not found...
>>>>> 21:49:59.377 [PHY ] Info    [00000] SYNC:  PSS/SSS not found...
>>>>> 21:49:59.379 [PHY ] Info    [00000] SYNC:  PSS/SSS not found...
>>>>> 21:49:59.384 [RRC ] Info    Detected 1 out-of-sync from PHY. Starting
>>>>> T310 timer
>>>>> 21:49:59.386 [PHY ] Info    [00000] SYNC:  Decoding MIB...
>>>>> 21:49:59.387 [PHY ] Info    [00000] SYNC:  DONE, TTI=7440, sfn_offset=0
>>>>> 21:49:59.396 [RRC ] Info    Detected 1 in-sync from PHY. Stopping T310
>>>>> timer
>>>>> 21:49:59.431 [MAC ] Info    [00000] SCHED: Searching for DL grant for
>>>>> SI-RNTI window_st=7505, window_len=1
>>>>> 21:49:59.436 [MAC ] Info    [07491] BSR:   QUEUE status: 0 (0), 0 (0),
>>>>> 0 (0), 0 (0), 0 (0), 0 (0),
>>>>> 21:49:59.452 [PHY ] Info    [07505] PDCCH: DL DCI 1C cce_index=12,
>>>>> n_data_bits=13, partial_time=1069 us
>>>>> 21:49:59.452 [PHY ] Info    [07505] PDSCH: l_crb= 4, harq=0, tbs=0,
>>>>> mcs=0, rv=1, crc=OK, snr=-4.9 dB, n_iter=0, dec_time=  90 us
>>>>> 21:49:59.452 [RLC ] Info    BCCH DLSCH message received.
>>>>> 21:49:59.452 [MAC ] Info    [07506] DL 8:  newTX tbs=0, rv=1, ack=OK,
>>>>> ndi=0 (0), tti=7505 (0)
>>>>> 21:49:59.541 [MAC ] Info    [07596] SCHED: Searching for DL grant for
>>>>> SI-RNTI window_st=7605, window_len=1
>>>>> 21:49:59.551 [PHY ] Info    [07605] PDCCH: DL DCI 1C cce_index= 4,
>>>>> n_data_bits=13, partial_time= 544 us
>>>>> 21:49:59.551 [PHY ] Info    [07605] PDSCH: l_crb= 4, harq=0, tbs=0,
>>>>> mcs=0, rv=0, crc=OK, snr=-4.9 dB, n_iter=0, dec_time=  46 us
>>>>> 21:49:59.551 [RLC ] Info    BCCH DLSCH message received.
>>>>> 21:49:59.552 [MAC ] Info    [07606] DL 8:  newTX tbs=0, rv=0, ack=OK,
>>>>> ndi=0 (0), tti=7605 (0)
>>>>> 21:49:59.651 [MAC ] Info    [07706] SCHED: Searching for DL grant for
>>>>> SI-RNTI window_st=7725, window_len=1
>>>>> 21:49:59.672 [PHY ] Info    [07725] PDCCH: DL DCI 1C cce_index= 4,
>>>>> n_data_bits=13, partial_time= 817 us
>>>>> 21:49:59.672 [PHY ] Info    [07725] PDSCH: l_crb= 4, harq=0, tbs=0,
>>>>> mcs=0, rv=3, crc=OK, snr=-4.9 dB, n_iter=0, dec_time=  74 us
>>>>> 21:49:59.672 [RLC ] Info    BCCH DLSCH message received.
>>>>> 21:49:59.672 [MAC ] Info    [07726] DL 8:  newTX tbs=0, rv=3, ack=OK,
>>>>> ndi=0 (0), tti=7725 (0)
>>>>> 21:49:59.761 [MAC ] Info    [07816] SCHED: Searching for DL grant for
>>>>> SI-RNTI window_st=7825, window_len=1
>>>>> 21:49:59.771 [PHY ] Info    [07825] PDCCH: DL DCI 1C cce_index=12,
>>>>> n_data_bits=13, partial_time= 579 us
>>>>> 21:49:59.771 [PHY ] Info    [07825] PDSCH: l_crb= 4, harq=0, tbs=0,
>>>>> mcs=0, rv=1, crc=OK, snr=-4.9 dB, n_iter=0, dec_time=  44 us
>>>>> 21:49:59.772 [RLC ] Info    BCCH DLSCH message received.
>>>>> 21:49:59.772 [MAC ] Info    [07826] DL 8:  newTX tbs=0, rv=1, ack=OK,
>>>>> ndi=0 (0), tti=7825 (0)
>>>>>
>>>>>
>>>>> 30 May 2016 Pzt, 20:55 tarihinde, Ismael Gomez <
>>>>> ismael.gomez at softwareradiosystems.com> şunu yazdı:
>>>>>
>>>>>> Can you send the dumped core from srsUE and the ue.log file please?
>>>>>> Set the logging to info for all layers please. Release 10 should be
>>>>>> backwards compatible with Release 8 so that shouldn't be a problem at all.
>>>>>>
>>>>>> On Mon, 30 May 2016 at 19:48 Enes ÜNAL <aenesunal at gmail.com> wrote:
>>>>>>
>>>>>>> ​​
>>>>>>> Hello,
>>>>>>>
>>>>>>> I'm living in Turkey, and there are 3 different operators here. By
>>>>>>> using srsUE, I successfully got SIB1, SIB2 messages for 2 operator.
>>>>>>> However, as I discovered the third operator is using LTE Release-10
>>>>>>> ​ while 2 of them using Release-9.​
>>>>>>> srsUE is
>>>>>>> ​ failed​
>>>>>>> ​to
>>>>>>>  get SIB messages for this
>>>>>>> ​particular ​
>>>>>>> operator.
>>>>>>> ​For every dl_frequencies. Currently the operator have 2 different
>>>>>>> center frequencies in 2 different band LTE-800 & LTE-1800.
>>>>>>>
>>>>>>> You can find tt.cap and tt_sync.cap capture files
>>>>>>> ​ in the bottom of this e-mail​
>>>>>>> generated by followings respectively.
>>>>>>>>>>>>>> #################################################################
>>>>>>>  "./usrp_capture -f 796000000 -o tt.cap"
>>>>>>> #################################################################
>>>>>>> linux; GNU C++ version 5.3.1 20151219; Boost_105800;
>>>>>>> UHD_003.009.002-0-unknown
>>>>>>>
>>>>>>> Opening RF device...
>>>>>>> -- Detected Device: B200mini
>>>>>>> -- Operating over USB 3.
>>>>>>> -- Initialize CODEC control...
>>>>>>> -- Initialize Radio control...
>>>>>>> -- Performing register loopback test... pass
>>>>>>> -- Performing CODEC loopback test... pass
>>>>>>> -- Asking for clock rate 16.000000 MHz...
>>>>>>> -- Actually got clock rate 16.000000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> -- Setting master clock rate selection to 'automatic'.
>>>>>>> -- Asking for clock rate 32.000000 MHz...
>>>>>>> -- Actually got clock rate 32.000000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> -- Asking for clock rate 16.000000 MHz...
>>>>>>> -- Actually got clock rate 16.000000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> -- Asking for clock rate 30.720000 MHz...
>>>>>>> -- Actually got clock rate 30.720000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> Set RX freq: 796.00 MHz
>>>>>>> Set RX gain: 40.00 dB
>>>>>>> Correctly RX rate: 0.96 MHz
>>>>>>> ^COk - wrote 777600 samples
>>>>>>>
>>>>>>> #################################################################
>>>>>>> "./usrp_capture_sync -l 279 -f 796000000 -o tt_sync.cap".
>>>>>>> #################################################################
>>>>>>>
>>>>>>> linux; GNU C++ version 5.3.1 20151219; Boost_105800;
>>>>>>> UHD_003.009.002-0-unknown
>>>>>>>
>>>>>>> Opening RF device...
>>>>>>> -- Detected Device: B200mini
>>>>>>> -- Operating over USB 3.
>>>>>>> -- Initialize CODEC control...
>>>>>>> -- Initialize Radio control...
>>>>>>> -- Performing register loopback test... pass
>>>>>>> -- Performing CODEC loopback test... pass
>>>>>>> -- Asking for clock rate 16.000000 MHz...
>>>>>>> -- Actually got clock rate 16.000000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> -- Setting master clock rate selection to 'automatic'.
>>>>>>> -- Asking for clock rate 32.000000 MHz...
>>>>>>> -- Actually got clock rate 32.000000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> -- Asking for clock rate 16.000000 MHz...
>>>>>>> -- Actually got clock rate 16.000000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> -- Asking for clock rate 30.720000 MHz...
>>>>>>> -- Actually got clock rate 30.720000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> Set RX freq: 796.000000 MHz
>>>>>>> Set RX gain: 60.0 dB
>>>>>>> -- Asking for clock rate 7.680000 MHz...
>>>>>>> -- Actually got clock rate 7.680000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> Setting sampling rate 1.92 MHz
>>>>>>> Using Volk machine: avx2_64_mmx_orc
>>>>>>> Ok - wrote 648 subframesubframes.....
>>>>>>>
>>>>>>> #################################################################
>>>>>>> Below you can also find the decoded MIB generated by "pdsch_ue -f
>>>>>>> 796000000"
>>>>>>> #################################################################
>>>>>>>
>>>>>>> linux; GNU C++ version 5.3.1 20151219; Boost_105800;
>>>>>>> UHD_003.009.002-0-unknown
>>>>>>>
>>>>>>> Opening RF device...
>>>>>>> -- Detected Device: B200mini
>>>>>>> -- Operating over USB 3.
>>>>>>> -- Initialize CODEC control...
>>>>>>> -- Initialize Radio control...
>>>>>>> -- Performing register loopback test... pass
>>>>>>> -- Performing CODEC loopback test... pass
>>>>>>> -- Asking for clock rate 16.000000 MHz...
>>>>>>> -- Actually got clock rate 16.000000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> -- Setting master clock rate selection to 'automatic'.
>>>>>>> -- Asking for clock rate 32.000000 MHz...
>>>>>>> -- Actually got clock rate 32.000000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> -- Asking for clock rate 16.000000 MHz...
>>>>>>> -- Actually got clock rate 16.000000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> Starting AGC thread...
>>>>>>> -- Asking for clock rate 30.720000 MHz...
>>>>>>> -- Actually got clock rate 30.720000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> Tunning receiver to 796.000 MHz
>>>>>>> Searching for cell...
>>>>>>> Using Volk machine: avx2_64_mmx_orc
>>>>>>> *Found Cell_id: 279 CP: Normal  , DetectRatio=100% PSR=17.98,
>>>>>>> Power=-12.1 dBm
>>>>>>>  Found Cell_id:   0 CP: Normal  , DetectRatio= 0% PSR=0.00,
>>>>>>> Power=-inf dBm
>>>>>>>  Found Cell_id:   0 CP: Normal  , DetectRatio= 0% PSR=0.00,
>>>>>>> Power=-inf dBm
>>>>>>> Decoding PBCH for cell 279 (N_id_2=0)
>>>>>>> -- Asking for clock rate 11.520000 MHz...
>>>>>>> -- Actually got clock rate 11.520000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> Setting sampling rate 11.52 MHz
>>>>>>>  - Cell ID:         279   5.9, FrameCnt: 0, State: 1
>>>>>>>  - Nof ports:       2
>>>>>>>  - CP:              Normal
>>>>>>>  - PRB:             50
>>>>>>>  - PHICH Length:    Normal
>>>>>>>  - PHICH Resources: 1/6
>>>>>>>  - SFN:             1020
>>>>>>> Decoded MIB. SFN: 1020, offset: 1
>>>>>>> CFO:  -0.17 kHz, SNR: -nan dB, PDCCH-Miss:  -nan%, PDSCH-BLER:   inf%
>>>>>>> CFO:  +0.32 kHz, SNR: -nan dB, PDCCH-Miss: 100.00%, PDSCH-BLER:
>>>>>>> 100.00%
>>>>>>>
>>>>>>> #################################################################
>>>>>>> When I run srsUE with 796MHz DL freq, I got:
>>>>>>> #################################################################
>>>>>>>
>>>>>>> linux; GNU C++ version 5.3.1 20151219; Boost_105800;
>>>>>>> UHD_003.009.002-0-unknown
>>>>>>>
>>>>>>> ---  Software Radio Systems LTE UE  ---
>>>>>>>
>>>>>>> Reading configuration file ue.conf...
>>>>>>> Using srsLTE version 001.002.000
>>>>>>> -- Detected Device: B200mini
>>>>>>> -- Operating over USB 3.
>>>>>>> -- Initialize CODEC control...
>>>>>>> -- Initialize Radio control...
>>>>>>> -- Performing register loopback test... pass
>>>>>>> -- Performing CODEC loopback test... pass
>>>>>>> -- Asking for clock rate 16.000000 MHz...
>>>>>>> -- Actually got clock rate 16.000000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> -- Setting master clock rate selection to 'automatic'.
>>>>>>> -- Asking for clock rate 32.000000 MHz...
>>>>>>> -- Actually got clock rate 32.000000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> -- Asking for clock rate 16.000000 MHz...
>>>>>>> -- Actually got clock rate 16.000000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> Setting frequency: DL=796.0 Mhz, UL=837.0 MHz
>>>>>>> Searching for cell...
>>>>>>> Using Volk machine: avx2_64_mmx_orc
>>>>>>> Found CELL ID: 279 CP: Normal  , CFO: -0.1 KHz.
>>>>>>> Trying to decode MIB...
>>>>>>>  - Cell ID:         279
>>>>>>>  - Nof ports:       2
>>>>>>>  - CP:              Normal
>>>>>>>  - PRB:             50
>>>>>>>  - PHICH Length:    Normal
>>>>>>>  - PHICH Resources: 1/6
>>>>>>>  - SFN:             0
>>>>>>> MIB received BW=10 MHz
>>>>>>> Initializating cell configuration...
>>>>>>> Setting Sampling frequency 11.52 MHz
>>>>>>> Segmentation fault (core dumped)
>>>>>>>
>>>>>>> #################################################################
>>>>>>>
>>>>>>> I debugged UE, and what I found is quite interesting. In the
>>>>>>> phch_worker.cc:373 (commit 9482eee); while filling MAC grant
>>>>>>> structure, every time grant->n_bytes is filling as 0 (zero).
>>>>>>>
>>>>>>> What may cause this problem? Is there any missing part in the UE?
>>>>>>>
>>>>>>> Thanks in advance,
>>>>>>> Best,
>>>>>>> Enes.
>>>>>>>
>>>>>>> ​-------------------------
>>>>>>> tt.cap :
>>>>>>> https://drive.google.com/open?id=0B96xxEajM94mYklNdmFfMzI3R00
>>>>>>> tt_sync.cap :
>>>>>>> https://drive.google.com/open?id=0B96xxEajM94mTWVzeFg3T3RzVG8​
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> srslte-users mailing list
>>>>>>> srslte-users at lists.softwareradiosystems.com
>>>>>>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>>>>>>>
>>>>>>
>>>
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