[srslte-users] Fwd: Help with your code

John Sfox sfoxsfoxjohn at gmail.com
Tue Mar 22 09:55:17 UTC 2016 

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>
>>>> <#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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