[srslte-users] Fwd: Help with your code

Ismael Gomez ismael.gomez at softwareradiosystems.com
Tue Mar 22 15:13:00 UTC 2016 

Do you see a clear constellation in the plots?

On Tue, 22 Mar 2016 at 16:04 John Sfox <sfoxsfoxjohn at gmail.com> wrote:

> Ok!
> But using
> ./pdsch_ue -f valueFreqeuncy
>
> this is the result
> ......
>  Found Cell_id:   0 CP: Normal  , DetectRatio= 0% PSR=0.00, Power=-inf dBm
> *Found Cell_id: 424 CP: Normal  , DetectRatio=100% PSR=13.16, Power=44.8
> dBm
>  Found Cell_id: 425 CP: Normal  , DetectRatio=91% PSR=10.35, Power=44.0 dBm
>
> Decoding PBCH for cell 424 (N_id_2=1)
> ....
>
>
> Setting sampling rate 15.36 MHz
>  - Cell ID:         424   1.3, FrameCnt: 0, State: 1
>
>  - Nof ports:       2
>  - CP:              Normal
>  - PRB:             50
>  - PHICH Length:    Normal
>  - PHICH Resources: 1
>  - SFN:             780
> Decoded MIB. SFN: 780, offset: 1
> CFO:  +2.65 KHz, SNR: -nan dB, PDCCH-Miss:  -nan%, PDSCH-BLER:  -nan%
> CFO:  +2.45 KHz, SNR: -nan dB, PDCCH-Miss:  -nan%, PDSCH-BLER:  -nan%
> CFO:  +2.29 KHz, SNR: -nan dB, PDCCH-Miss:  -nan%, PDSCH-BLER:  -nan%
> CFO:  +2.16 KHz, SNR: 15.5 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +2.05 KHz, SNR: 15.5 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +1.96 KHz, SNR: 15.5 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +1.89 KHz, SNR: 15.5 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +1.83 KHz, SNR: 15.5 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +1.79 KHz, SNR: 15.5 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +1.74 KHz, SNR: 15.5 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +1.72 KHz, SNR: 15.5 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +1.70 KHz, SNR: 15.7 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +1.68 KHz, SNR: 15.7 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +1.66 KHz, SNR: 15.7 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +1.65 KHz, SNR: 15.7 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +1.63 KHz, SNR: 15.7 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +1.62 KHz, SNR: 15.7 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> CFO:  +1.63 KHz, SNR: 15.7 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
> ^CSIGINT received. Exiting...
>
>
> On Tue, Mar 22, 2016 at 3:55 PM, Ismael Gomez <
> ismael.gomez at softwareradiosystems.com> wrote:
>
>> No, to run pdsch_ue against a public LTE cell you only need to run:
>>
>> ./pdsch_ue -f valueFreqeuncy
>>
>> and optionally -g gainValue
>>
>>
>> On Tue, 22 Mar 2016 at 15:55 John Sfox <sfoxsfoxjohn at gmail.com> wrote:
>>
>>> ./pdsch_ue -f valueFreqeuncy or
>>> ./pdsch_ue -f valueFreqeuncy -p NumberOfRB -P numberOfPort -c cellId -g
>>> gainValue
>>>
>>> I used several combinations from the minimum (only frequency value) or
>>> plus gain Value, number of resource blocks, cell Id, numer of ports etc.
>>>
>>> The result is always the same that I posted before.
>>>
>>> Thanks
>>> John
>>>
>>>
>>>
>>> On Tue, Mar 22, 2016 at 3:40 PM, Ismael Gomez <
>>> ismael.gomez at softwareradiosystems.com> wrote:
>>>
>>>> Looks like it does not found SIB messages. What command are you using
>>>> to run pdsch_ue?
>>>>
>>>> On Tue, 22 Mar 2016, 10:55 John Sfox, <sfoxsfoxjohn at gmail.com> wrote:
>>>>
>>>>> This is the output of pdsch_ue:
>>>>> .....
>>>>>
>>>>> .....
>>>>> Searching for cell...
>>>>> Using Volk machine: avx_64_mmx_orc
>>>>>  Found Cell_id:   0 CP: Normal  , DetectRatio= 0% PSR=0.00, Power=-inf
>>>>> dBm
>>>>> *Found Cell_id: 424 CP: Normal  , DetectRatio=51% PSR=10.01,
>>>>> Power=45.1 dBm
>>>>>  Found Cell_id:  20 CP: Normal  , DetectRatio=100% PSR=10.15,
>>>>> Power=33.9 dBm
>>>>>
>>>>> Decoding PBCH for cell 424 (N_id_2=1)
>>>>> -- Asking for clock rate 15.360000 MHz...
>>>>> -- Actually got clock rate 15.360000 MHz.
>>>>> -- Performing timer loopback test... pass
>>>>> -- Performing timer loopback test... pass
>>>>> Setting sampling rate 15.36 MHz
>>>>>  - Cell ID:         424   2.6, FrameCnt: 0, State: 1 0
>>>>>  - Nof ports:       2
>>>>>  - CP:              Normal
>>>>>  - PRB:             50
>>>>>  - PHICH Length:    Normal
>>>>>  - PHICH Resources: 1
>>>>>  - SFN:             524
>>>>> Decoded MIB. SFN: 524, offset: 3
>>>>> CFO:  +2.67 KHz, SNR: -nan dB, PDCCH-Miss:  -nan%, PDSCH-BLER:  -nan%
>>>>> CFO:  +2.46 KHz, SNR: 17.0 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> CFO:  +2.29 KHz, SNR: 17.0 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> CFO:  +2.15 KHz, SNR: 17.0 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> CFO:  +2.04 KHz, SNR: 17.0 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> CFO:  +1.95 KHz, SNR: 17.0 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> CFO:  +1.87 KHz, SNR: 17.0 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> CFO:  +1.81 KHz, SNR: 17.0 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> CFO:  +1.76 KHz, SNR: 17.0 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> CFO:  +1.72 KHz, SNR: 18.6 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> CFO:  +1.69 KHz, SNR: 18.6 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> CFO:  +1.67 KHz, SNR: 18.6 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> CFO:  +1.66 KHz, SNR: 18.6 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> CFO:  +1.64 KHz, SNR: 18.6 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> CFO:  +1.62 KHz, SNR: 18.6 dB, PDCCH-Miss: 100.00%, PDSCH-BLER:  -nan%
>>>>> ^CSIGINT received. Exiting...
>>>>>
>>>>>
>>>>> But related to reference signal (that is what I need to evaluate the
>>>>> coverage) what do you suggest?
>>>>>
>>>>> On Tue, Mar 22, 2016 at 9:34 AM, Ismael Gomez <
>>>>> ismael.gomez at softwareradiosystems.com> wrote:
>>>>>
>>>>>> Have you tried with pdsch_ue tool?
>>>>>>
>>>>>> On Tue, 22 Mar 2016 at 08:47 John Sfox <sfoxsfoxjohn at gmail.com>
>>>>>> wrote:
>>>>>>
>>>>>>> Hi Ismael, using cell_search 5 times, it found the cells twice.
>>>>>>> cell_measurement, found the cell and write:
>>>>>>>
>>>>>>> .........
>>>>>>> Searching for cell...
>>>>>>> Using Volk machine: avx_64_mmx_orc
>>>>>>>  Found Cell_id:   0 CP: Normal  , DetectRatio= 0% PSR=0.00,
>>>>>>> Power=-inf dBm
>>>>>>> *Found Cell_id: 424 CP: Normal  , DetectRatio=50% PSR=10.01,
>>>>>>> Power=-7.5 dBm
>>>>>>>  Found Cell_id:   0 CP: Normal  , DetectRatio= 0% PSR=0.00,
>>>>>>> Power=-inf dBm
>>>>>>> Decoding PBCH for cell 424 (N_id_2=1)
>>>>>>> -- Asking for clock rate 15.360000 MHz...
>>>>>>> -- Actually got clock rate 15.360000 MHz.
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> -- Performing timer loopback test... pass
>>>>>>> Setting sampling rate 15.36 MHz
>>>>>>> Finding PSS... Peak:      0.2, FrameCnt: 0, State: 0
>>>>>>> Finding PSS... Peak:      0.4, FrameCnt: 0, State: 0
>>>>>>> Finding PSS... Peak:      0.6, FrameCnt: 0, State: 0
>>>>>>> Finding PSS... Peak:      0.7, FrameCnt: 0, State: 0
>>>>>>> Finding PSS... Peak:      0.8, FrameCnt: 0, State: 0
>>>>>>> Finding PSS... Peak:      1.5, FrameCnt: 0, State: 1
>>>>>>> Decoded MIB. SFN: 888, offset: 3
>>>>>>> CFO: +2.1863 KHz, SFO: -0.6667 Khz, NOI: 0.00, PDCCH-Det: -nan
>>>>>>> CFO: +1.9665 KHz, SFO: -0.7895 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.8253 KHz, SFO: -0.6522 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.7310 KHz, SFO: -0.9259 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.6702 KHz, SFO: -0.8065 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.6262 KHz, SFO: -0.7143 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5998 KHz, SFO: -0.6410 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5832 KHz, SFO: -0.8140 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5703 KHz, SFO: -0.7447 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5656 KHz, SFO: -0.6863 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5625 KHz, SFO: -0.8182 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5588 KHz, SFO: -0.7627 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5591 KHz, SFO: -0.7143 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5508 KHz, SFO: -0.8209 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5560 KHz, SFO: -0.7746 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5578 KHz, SFO: -0.7333 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5503 KHz, SFO: -0.6962 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5520 KHz, SFO: -0.7831 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5522 KHz, SFO: -0.7471 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5498 KHz, SFO: -0.7143 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5476 KHz, SFO: -0.7895 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5489 KHz, SFO: -0.7576 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5486 KHz, SFO: -0.7282 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5500 KHz, SFO: -0.7009 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5521 KHz, SFO: -0.7658 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5454 KHz, SFO: -0.7391 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5472 KHz, SFO: -0.7143 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5439 KHz, SFO: -0.7724 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5432 KHz, SFO: -0.7480 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5404 KHz, SFO: -0.7252 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5524 KHz, SFO: -0.7778 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5547 KHz, SFO: -0.7554 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5559 KHz, SFO: -0.7343 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5576 KHz, SFO: -0.7143 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5612 KHz, SFO: -0.7616 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5697 KHz, SFO: -0.7419 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5709 KHz, SFO: -0.7233 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5667 KHz, SFO: -0.7669 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5635 KHz, SFO: -0.7485 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5619 KHz, SFO: -0.7310 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5630 KHz, SFO: -0.7714 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5527 KHz, SFO: -0.7542 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5505 KHz, SFO: -0.7377 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5519 KHz, SFO: -0.7219 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5521 KHz, SFO: -0.7592 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5554 KHz, SFO: -0.7436 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5537 KHz, SFO: -0.7286 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5488 KHz, SFO: -0.7635 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5565 KHz, SFO: -0.7488 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5508 KHz, SFO: -0.7346 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5539 KHz, SFO: -0.7674 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5507 KHz, SFO: -0.7534 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5459 KHz, SFO: -0.7399 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5435 KHz, SFO: -0.7269 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5455 KHz, SFO: -0.7576 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5426 KHz, SFO: -0.7447 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5542 KHz, SFO: -0.7322 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5524 KHz, SFO: -0.7613 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5589 KHz, SFO: -0.7490 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5557 KHz, SFO: -0.7371 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5506 KHz, SFO: -0.7255 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5440 KHz, SFO: -0.7529 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5470 KHz, SFO: -0.7414 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5512 KHz, SFO: -0.7303 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> CFO: +1.5564 KHz, SFO: -0.7380 Khz, NOI: 0.00, PDCCH-Det: 0.000
>>>>>>> ^CSIGINT received. Exiting...
>>>>>>>
>>>>>>> and so on.
>>>>>>>
>>>>>>> Thamk you
>>>>>>> John
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Mar 22, 2016 at 12:38 AM, Ismael Gomez <
>>>>>>> ismael.gomez at softwareradiosystems.com> wrote:
>>>>>>>
>>>>>>>> Hi John,
>>>>>>>>
>>>>>>>> Have you tried the cell_search program in these LTE bands?
>>>>>>>>
>>>>>>>> On Fri, 18 Mar 2016 at 09:58 John Sfox <sfoxsfoxjohn at gmail.com>
>>>>>>>> wrote:
>>>>>>>>
>>>>>>>>> Hi Ismael, thank you for your replay.
>>>>>>>>> Using a spectrum analyzer of the University, I have collected all
>>>>>>>>> the cells in the area for 800MHz, 1800MHz e 2200MHz and their
>>>>>>>>> bandwidths.
>>>>>>>>> The cells at 800MHz had bandwidth of 10MHz.
>>>>>>>>> The cells at 1800MHz had bandwidth of 15MHz (1 10MHz)
>>>>>>>>> The cells at 2200MHz had Bandwidth of 15MHz (1 20MHz).
>>>>>>>>> Srslte never worked at 800 MHz and at 1800MHz. At 2200MHz, it has
>>>>>>>>> only worked for a cell with BW 15MHz
>>>>>>>>> Thank you again
>>>>>>>>> John
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail>
>>>>>>>>> <#m_8609758458903822796_-65592669212000630_m_-8536860175219300229_-1124727061549475576_m_-5433398701804568750_8512039743991471051_m_-7903770007788375743_-8302944468710889422_m_-6526612104687365019_2029646711665639488_DDB4FAA8-2DD7-40BB-A1B8-4E2AA1F9FDF2>
>>>>>>>>>
>>>>>>>>> On Thu, Mar 17, 2016 at 6:58 PM, Ismael Gomez <
>>>>>>>>> ismael.gomez at softwareradiosystems.com> wrote:
>>>>>>>>>
>>>>>>>>>> Hi John,
>>>>>>>>>>
>>>>>>>>>> What frequencies are you using? Do you know what BW these
>>>>>>>>>> networks operate at?
>>>>>>>>>>
>>>>>>>>>> On Thu, 17 Mar 2016 at 15:09 John Sfox <sfoxsfoxjohn at gmail.com>
>>>>>>>>>> wrote:
>>>>>>>>>>
>>>>>>>>>>> Hi!
>>>>>>>>>>> I'm a student and I would like to integrate an lte receiver in
>>>>>>>>>>> my project related to verify the lte coverage for differnt height
>>>>>>>>>>> values.
>>>>>>>>>>>
>>>>>>>>>>> I'm using a drone developed by the university with the Ettus
>>>>>>>>>>> B210.
>>>>>>>>>>>
>>>>>>>>>>> I used your examples (cell measurements in particular where you
>>>>>>>>>>> can pick up various parameters related to lte coverage like
>>>>>>>>>>> RSSI, RSRP, RSPQ, SNR) but these do not work for all frequencies present
>>>>>>>>>>> in this area
>>>>>>>>>>>
>>>>>>>>>>> Could you help me understand how to properly use your library.
>>>>>>>>>>>
>>>>>>>>>>> Thank you
>>>>>>>>>>>
>>>>>>>>>>> John
>>>>>>>>>>> _______________________________________________
>>>>>>>>>>> srslte-users mailing list
>>>>>>>>>>> srslte-users at lists.softwareradiosystems.com
>>>>>>>>>>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>>>>>>>>>>>
>>>>>>>>>>
>>>>>>>>> _______________________________________________
>>>>>>>>> srslte-users mailing list
>>>>>>>>> srslte-users at lists.softwareradiosystems.com
>>>>>>>>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>
>>>
>
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