[srslte-users] USRP B200/B210 low perfermance with srsLTE

Justin Tallon justin.tallon at softwareradiosystems.com
Tue Oct 10 12:36:33 UTC 2017


Hey,

Could you also try experimenting with different gain values (-g) like 40,
50,60,70?


Cheers,
Justin

____
Justin Tallon Ph.D.

Software Radio Systems (SRS)
http://www.softwareradiosystems.com

+353-86-067-0753 | justin.tallon at softwareradiosystems.com

On Tue, Oct 10, 2017 at 12:42 PM, Justin Tallon <
justin.tallon at softwareradiosystems.com> wrote:

> Hey,
>
> Could you perhaps delete your build folder and re run cmake and attach the
> output?
>
> Thanks!
> Justin
>
> ____
> Justin Tallon Ph.D.
>
> Software Radio Systems (SRS)
> http://www.softwareradiosystems.com
>
> +353-86-067-0753 <+353%2086%20067%200753> | justin.tallon@
> softwareradiosystems.com
>
> On Mon, Oct 9, 2017 at 5:23 PM, Gmxp <gmxpsoft at gmail.com> wrote:
>
>> Just using UHD version 3.9.7 from https://launchpad.net/~et
>> tusresearch/+archive/ubuntu/uhd-3.9.lts, but same problem still occurs,
>> and here is the log from pdsch_ue with -v flag:
>>
>> USRP B210 with UHD 3.9.7:
>> anonymous at anonymous-laptop:~/srsLTE/build/lib/examples$ sudo ./pdsch_ue
>> -f 1850000000 -v
>> linux; GNU C++ version 5.4.0 20160609; Boost_105800;
>> UHD_003.009.007-release
>>
>> Opening RF device with 1 RX antennas...
>> Opening USRP with args: type=b200
>> -- Detected Device: B210
>> -- Operating over USB 3.
>> -- Initialize CODEC control...
>> -- Initialize Radio control...
>> -- Performing register loopback test... pass
>> -- Performing register loopback test... pass
>> -- Performing CODEC 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
>> -- 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
>> -- 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
>> -- Performing timer loopback test... pass
>>
>> UHD Warning:
>>     The requested decimation is odd; the user should expect CIC rolloff.
>>     Select an even decimation to ensure that a halfband filter is enabled.
>>     decimation = dsp_rate/samp_rate -> 31 = (30.720000 MHz)/(1.000000 MHz)
>>
>> UHD Warning:
>>     The requested interpolation is odd; the user should expect CIC
>> rolloff.
>>     Select an even interpolation to ensure that a halfband filter is
>> enabled.
>>     interpolation = dsp_rate/samp_rate -> 31 = (30.720000 MHz)/(1.000000
>> MHz)
>> Tunning receiver to 1850.000 MHz
>> Searching for cell...
>> [INFO]:  Setting sampling frequency 1.92 MHz for PSS search
>> [INFO]:  Starting receiver...
>> Could not find any cell in this frequency
>> Cell not found after 0 trials. Trying again (Press Ctrl+C to exit)
>> Searching for cell...
>> [INFO]:  Setting sampling frequency 1.92 MHz for PSS search
>> [INFO]:  Starting receiver...
>> [INFO]:  Realigning frame, reading 2732 samples
>>  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
>> *Found Cell_id:   2 CP: Normal  , DetectRatio=50% PSR=11.91, Power=31.7
>> dBm
>> Decoding PBCH for cell 2 (N_id_2=2)
>> [INFO]:  Setting sampling frequency 1.92 MHz for PSS search
>> [INFO]:  Starting receiver...
>> [INFO]:  Realigning frame, reading 2242 samples
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  Warning: Expected SF idx 5 but got 0! (0 frames)
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 20.00 Hz,
>> 0.10000 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 22.19 Hz,
>> 0.11094 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Warning: Expected SF idx 5 but got 0! (0 frames)
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 23.00 Hz,
>> 0.11499 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  Warning: Expected SF idx 5 but got 0! (0 frames)
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  Warning: Expected SF idx 0 but got 5! (0 frames)
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 22.80 Hz,
>> 0.11398 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  Warning: Expected SF idx 5 but got 0! (0 frames)
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 22.77 Hz,
>> 0.11386 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 22.77 Hz,
>> 0.11384 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 22.77 Hz,
>> 0.11384 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 23.08 Hz,
>> 0.11538 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 22.81 Hz,
>> 0.11403 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 23.08 Hz,
>> 0.11540 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  Warning: Expected SF idx 5 but got 0! (0 frames)
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 22.81 Hz,
>> 0.11403 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 22.77 Hz,
>> 0.11386 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 22.77 Hz,
>> 0.11384 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 23.08 Hz,
>> 0.11538 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 22.52 Hz,
>> 0.11262 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 23.04 Hz,
>> 0.11521 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 23.11 Hz,
>> 0.11556 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  Warning: Expected SF idx 0 but got 5! (0 frames)
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  Warning: Expected SF idx 5 but got 0! (1 frames)
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 22.81 Hz,
>> 0.11405 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  Warning: Expected SF idx 5 but got 0! (0 frames)
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 22.77 Hz,
>> 0.11387 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 22.77 Hz,
>> 0.11384 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  MIB not decoded: 6
>> [INFO]:  Warning: Expected SF idx 5 but got 0! (0 frames)
>> [INFO]:  MIB not decoded: 7
>> [INFO]:  MIB not decoded: 8
>> [INFO]:  Resetting PBCH decoder after 9 frames
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> Cell not found after 1 trials. Trying again (Press Ctrl+C to exit)
>> Searching for cell...
>> [INFO]:  Setting sampling frequency 1.92 MHz for PSS search
>> [INFO]:  Starting receiver...
>> [INFO]:  Realigning frame, reading 5607 samples
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 20.00 Hz,
>> 0.10000 samples/5-sf, ema=0.100000, length=0
>>  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
>> *Found Cell_id: 419 CP: Normal  , DetectRatio=75% PSR=7.31, Power=34.6 dBm
>> Decoding PBCH for cell 419 (N_id_2=2)
>> [INFO]:  Setting sampling frequency 1.92 MHz for PSS search
>> [INFO]:  Starting receiver...
>> [INFO]:  Realigning frame, reading 2156 samples
>> [INFO]:  MIB not decoded: 0
>> [INFO]:  MIB not decoded: 1
>> [INFO]:  MIB not decoded: 2
>> [INFO]:  MIB not decoded: 3
>> [INFO]:  MIB not decoded: 4
>> [INFO]:  MIB not decoded: 5
>> ...
>>
>> and here is the log from bladeRF with same configure:
>> anonymous at anonymous-laptop:~/srsLTE/build/lib/examples$ sudo ./pdsch_ue
>> -f 1850000000 -v
>> linux; GNU C++ version 5.4.0 20160609; Boost_105800;
>> UHD_003.009.007-release
>>
>> Opening RF device with 1 RX antennas...
>> Opening USRP with args:
>> Error opening UHD: code 11
>> Opening bladeRF...
>> Starting AGC thread...
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> Tunning receiver to 1850.000 MHz
>> set RX frequency to 1850000000
>> Searching for cell...
>> [INFO]:  Setting sampling frequency 1.92 MHz for PSS search
>> Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
>> [INFO]:  Starting receiver...
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO]:  Realigning frame, reading 8316 samples
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>>  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
>> *Found Cell_id: 419 CP: Normal  , DetectRatio=100% PSR=14.94, Power=10.2
>> dBm
>> Decoding PBCH for cell 419 (N_id_2=2)
>> [INFO]:  Setting sampling frequency 1.92 MHz for PSS search
>> Set RX sampling rate 1.92 Mhz, filter BW: 2.50 Mhz
>> [INFO]:  Starting receiver...
>> [INFO @ lms.c:879] Clamping RXVGA2 gain to 30dB
>> [INFO]:  Realigning frame, reading 1289 samples
>> [INFO]:  Decoded PBCH: src=0, dst=3, nb=1, sfn_offset=3
>> [INFO]:  MIB decoded: 0
>> Setting sampling rate 23.04 MHz
>> Set RX sampling rate 23.04 Mhz, filter BW: 20.00 Mhz
>> [INFO]:  Indexing 800 REGs. CellId: 419, 100 PRB, CP: Normal
>> [INFO]:  PCFICH allocating 4 regs. CellID: 419, PRB: 100
>> [INFO]:  Creating 13 PHICH mapping units. Normal length, Ng=1.00
>> [INFO]:  Init PDCCH REG space CFI 1. 153 useful REGs (17 CCEs)
>> [INFO]:  Init PDCCH REG space CFI 2. 450 useful REGs (50 CCEs)
>> [INFO]:  Init PDCCH REG space CFI 3. 756 useful REGs (84 CCEs)
>> [INFO]:  Init PDCCH: Max bits: 6048, 1 ports.
>> [INFO]:  Init PDSCH: 1 ports 100 PRBs, max_symbols: 16800
>> [INFO]:  Initiated 6 candidate(s) in the Common search space
>> [INFO]:  Initiated 6 candidate(s) in the Common search space
>> [INFO]:  Initiated 6 candidate(s) in the Common search space
>> [INFO]:
>> Entering main loop...
>>
>> [INFO]:  Realigning frame, reading 21533 samplese: 0
>> [INFO]:  Time offset adjustment: -1 samples (-1.00), mean SFO: -20.00 Hz,
>> -0.10000 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  Decoded PBCH: src=0, dst=2, nb=1, sfn_offset=2
>> [INFO]:  MIB decoded: 0
>>  - Cell ID:         419
>>  - Nof ports:       1
>>  - CP:              Normal
>>  - PRB:             100
>>  - PHICH Length:    Normal
>>  - PHICH Resources: 1
>>  - SFN:             984
>> Decoded MIB. SFN: 984, offset: 2
>> [INFO]:  Attempting DL decode SFN=986
>> [INFO]:  Decoded CFI=1 with correlation 44.92, sf_idx=5
>> [INFO]:  Initiated 6 candidate(s) in the Common search space
>> [INFO]:  Searching SI/P/RA-RNTI in 6 common locations, 2 formats
>>  - Resource Allocation Type: Type 2
>>    + Type: Localized
>>    + Resource Indicator Value: 600
>>    + VRB Assignment: 7 VRB starting with VRB 0
>>  - Modulation and coding scheme index: 6
>>  - HARQ process: 0
>>  - New data indicator: No
>>  - Redundancy version: 0
>>  - TPC command for PUCCH: --
>>  - PRB Bitmap Assignment 0st slot:
>> 0, 1, 2, 3, 4, 5, 6,
>>  - PRB Bitmap Assignment 1st slot:
>> 0, 1, 2, 3, 4, 5, 6,
>>  - Number of PRBs: 7
>>  - Modulation type: QPSK
>>  - Transport block size: 176
>> [INFO]:  CB Segmentation: TBS: 176, C=1, C+=1 K+=200, C-=0, K-=0, F=0,
>> Bp=200
>> [INFO]:  Decoding PDSCH SF: 5, RNTI: 0xffff, Mod QPSK, TBS: 176,
>> NofSymbols: 1050, NofBitsE: 2100, rv_idx: 0, C_prb=7
>> [INFO]:  CB#0: cb_len: 200, rlen: 200, wp: 0, rp: 0, E: 2100, n_iters=1
>> [INFO]:  END CB#1: wp: 200, rp: 2100
>> [INFO]:  TB decoded OK
>> [INFO]:  Time offset adjustment: 1 samples (1.00), mean SFO: 5.42 Hz,
>> 0.02710 samples/5-sf, ema=0.100000, length=0
>> [INFO]:  Attempting DL decode SFN=988Miss:  0.00%, PDSCH-BLER:  0.00%
>> [INFO]:  Decoded CFI=1 with correlation 43.28, sf_idx=5
>> [INFO]:  Initiated 6 candidate(s) in the Common search space
>> [INFO]:  Searching SI/P/RA-RNTI in 6 common locations, 2 formats
>>  - Resource Allocation Type: Type 2
>>    + Type: Localized
>>    + Resource Indicator Value: 693
>>    + VRB Assignment: 7 VRB starting with VRB 93
>>  - Modulation and coding scheme index: 6
>>  - HARQ process: 0
>>  - New data indicator: No
>>  - Redundancy version: 0
>>  - TPC command for PUCCH: --
>>  - PRB Bitmap Assignment 0st slot:
>> 93, 94, 95, 96, 97, 98, 99,
>>  - PRB Bitmap Assignment 1st slot:
>> 93, 94, 95, 96, 97, 98, 99,
>>  - Number of PRBs: 7
>>  - Modulation type: QPSK
>>  - Transport block size: 176
>> [INFO]:  CB Segmentation: TBS: 176, C=1, C+=1 K+=200, C-=0, K-=0, F=0,
>> Bp=200
>> [INFO]:  Decoding PDSCH SF: 5, RNTI: 0xffff, Mod QPSK, TBS: 176,
>> NofSymbols: 1050, NofBitsE: 2100, rv_idx: 0, C_prb=7
>> [INFO]:  CB#0: cb_len: 200, rlen: 200, wp: 0, rp: 0, E: 2100, n_iters=1
>> [INFO]:  END CB#1: wp: 200, rp: 2100
>> [INFO]:  TB decoded OK
>> [INFO]:  Attempting DL decode SFN=990Miss:  0.00%, PDSCH-BLER:  0.00%
>> [INFO]:  Decoded CFI=1 with correlation 32.87, sf_idx=5
>> [INFO]:  Initiated 6 candidate(s) in the Common search space
>> [INFO]:  Searching SI/P/RA-RNTI in 6 common locations, 2 formats
>>  - Resource Allocation Type: Type 2
>>    + Type: Localized
>>    + Resource Indicator Value: 693
>>    + VRB Assignment: 7 VRB starting with VRB 93
>>  - Modulation and coding scheme index: 6
>>  - HARQ process: 0
>>  - New data indicator: No
>>  - Redundancy version: 0
>>  - TPC command for PUCCH: --
>>  - PRB Bitmap Assignment 0st slot:
>> 93, 94, 95, 96, 97, 98, 99,
>>  - PRB Bitmap Assignment 1st slot:
>> 93, 94, 95, 96, 97, 98, 99,
>>  - Number of PRBs: 7
>>  - Modulation type: QPSK
>>  - Transport block size: 176
>>
>>
>> 2017-10-09 23:28 GMT+08:00 Justin Tallon <justin.tallon at softwareradiosy
>> stems.com>:
>>
>>> Hey!
>>>
>>> Could you possibly post the log files for the srsue runs and the
>>> terminal output for the pdsch_ue with the -v flag?
>>>
>>> Thanks!
>>> Justin
>>>
>>>
>>> ____
>>> Justin Tallon Ph.D.
>>>
>>> Software Radio Systems (SRS)
>>> http://www.softwareradiosystems.com
>>>
>>> +353-86-067-0753 <+353%2086%20067%200753> |
>>> justin.tallon at softwareradiosystems.com
>>>
>>> On Mon, Oct 9, 2017 at 3:37 PM, Gmxp <gmxpsoft at gmail.com> wrote:
>>>
>>>> All configuration is default and source code without any modifiy, in
>>>> srsue, I just change the ue.conf for freq, and I`m sure USRP are connected
>>>> to USB 3.0 port, and I will try UHD 3.9.6 later.
>>>>
>>>> 2017-10-09 22:05 GMT+08:00 Justin Tallon <justin.tallon at softwareradiosy
>>>> stems.com>:
>>>>
>>>>> Hey!
>>>>>
>>>>> We normally recommend the use of the UHD 3.9.6 LTS version as it is
>>>>> known to be stable.
>>>>> Could you tell me what configuration you are using to run and also to
>>>>> ensure you are connected to the USRP via USB 3.0?
>>>>>
>>>>> Thanks!
>>>>> Justin
>>>>>
>>>>> On 9 Oct 2017 2:36 p.m., "Gmxp" <gmxpsoft at gmail.com> wrote:
>>>>>
>>>>>> Thanks for answer!
>>>>>>
>>>>>> UHD version 003.010.002.000-3-g122bfae1
>>>>>>
>>>>>> 2017-10-09 21:35 GMT+08:00 Justin Tallon <
>>>>>> justin.tallon at softwareradiosystems.com>:
>>>>>>
>>>>>>> Hello,
>>>>>>>
>>>>>>> Which version of the UHD have you got installed?
>>>>>>>
>>>>>>> Regards,
>>>>>>> Justin
>>>>>>>
>>>>>>> On 9 Oct 2017 2:14 p.m., "Gmxp" <gmxpsoft at gmail.com> wrote:
>>>>>>>
>>>>>>>> Sorry to disturb
>>>>>>>> <https://www.baidu.com/link?url=B3lAXkzpAprXJKrrTzq9uGCWxCrTPJVEPBOIbqr2bVd0sLptkkakfxyE7Ms3mJssOhtqrAvFT08ctozckAf2eoeCwkoBahTGOTlF4zCv4R_&wd=&eqid=937ae0f2000471430000000659db7095>
>>>>>>>>  you guys.
>>>>>>>>
>>>>>>>> I got USRP B200/B210 and bladeRF. When I using srsue or pdsch_ue,
>>>>>>>> bladeRF can always get MIB, SIBs without problem, but same config and same
>>>>>>>> binary, USRP works very unstable. And I had tried 20MHz bandwidth and 5MHz
>>>>>>>> bandwidth, it has the same result as I mentioned before.
>>>>>>>>
>>>>>>>> After severial days search I still got no answer, has anyone aslo
>>>>>>>> encountered the same problem, is it an config problem? or can anyone help
>>>>>>>> me, thanks a lot.
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> srslte-users mailing list
>>>>>>>> srslte-users at lists.softwareradiosystems.com
>>>>>>>> http://www.softwareradiosystems.com/mailman/listinfo/srslte-users
>>>>>>>>
>>>>>>>>
>>>>>>
>>>>
>>>
>>
>
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