[srslte-users] Fwd: Help with your code

Ismael Gomez ismael.gomez at softwareradiosystems.com
Tue Mar 22 14:55:56 UTC 2016 

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_-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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