[srslte-users] Cell_search cannot change frequency
Yaxiong Xie (Alex)
xieyaxiongfly at gmail.com
Tue Dec 11 23:37:40 UTC 2018
Dear all,
I got a problem running the cell_search example.
I am using USRP X310 (I am not sure, whether srsLTE works with X310 or not).
When I run the cell_search -b 1 - v, I get the error message as follow:
Opening RF device...
[INFO] [UHD] linux; GNU C++ version 7.3.0; Boost_106501; UHD_3.13.0.1-release
Opening USRP with args: type=x300,master_clock_rate=184.32e6
[INFO] [X300] X300 initialization sequence...
[INFO] [X300] Maximum frame size: 1472 bytes.
[INFO] [X300] Radio 1x clock: 184.32 MHz
[INFO] [0/DmaFIFO_0] Initializing block control (NOC ID: 0xF1F0D00000000000)
[INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1299 MB/s)
[INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1300 MB/s)
[INFO] [0/Radio_0] Initializing block control (NOC ID: 0x12AD100000000001)
[INFO] [0/Radio_1] Initializing block control (NOC ID: 0x12AD100000000001)
[INFO] [0/DDC_0] Initializing block control (NOC ID: 0xDDC0000000000000)
[INFO] [0/DDC_1] Initializing block control (NOC ID: 0xDDC0000000000000)
[INFO] [0/DUC_0] Initializing block control (NOC ID: 0xD0C0000000000000)
[INFO] [0/DUC_1] Initializing block control (NOC ID: 0xD0C0000000000000)
nof_freqs: 599
[INFO]: Set rf_freq to 2110.000 MHz
[ 0/599]: EARFCN 0 Freq. 2110.00 MHz looking for PSS.
[INFO]: Setting sampling frequency 1.92 MHz for PSS search
[INFO]: Starting receiver...
[INFO]: CP-CFO: estimated=0.066649, mean=0.066649
[INFO]: PSS: id=0, peak_pos=670, peak_value=1.339536
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.214404, mean=0.081424
[INFO]: PSS: id=0, peak_pos=7065, peak_value=1.215625
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.195840, mean=0.092866
[INFO]: PSS: id=0, peak_pos=488, peak_value=1.096967
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.024149, mean=0.081164
[INFO]: PSS: id=0, peak_pos=5851, peak_value=1.312697
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.180149, mean=0.055033
[INFO]: PSS: id=0, peak_pos=5932, peak_value=1.135440
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.059304, mean=0.043599
[INFO]: PSS: id=0, peak_pos=6846, peak_value=1.482998
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.455896, mean=0.084829
[INFO]: PSS: id=0, peak_pos=8074, peak_value=1.089502
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.226347, mean=0.098981
[INFO]: PSS: id=0, peak_pos=8230, peak_value=1.140006
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.127405, mean=0.101823
[INFO]: PSS: id=0, peak_pos=3097, peak_value=1.189355
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.161552, mean=0.107796
[INFO]: PSS: id=0, peak_pos=2662, peak_value=1.014584
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.053675, mean=0.053675
[INFO]: PSS: id=1, peak_pos=8655, peak_value=1.010826
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.154269, mean=0.063734
[INFO]: PSS: id=1, peak_pos=595, peak_value=1.028761
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.381641, mean=0.095525
[INFO]: PSS: id=1, peak_pos=7932, peak_value=1.038318
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.181101, mean=0.104082
[INFO]: PSS: id=1, peak_pos=1918, peak_value=1.067029
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.125147, mean=0.081159
[INFO]: PSS: id=1, peak_pos=2359, peak_value=1.028680
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.054055, mean=0.078449
[INFO]: PSS: id=1, peak_pos=175, peak_value=1.102402
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.058646, mean=0.064740
[INFO]: PSS: id=1, peak_pos=4739, peak_value=1.023709
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.118451, mean=0.070111
[INFO]: PSS: id=1, peak_pos=916, peak_value=1.030938
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.001343, mean=0.062965
[INFO]: PSS: id=1, peak_pos=990, peak_value=1.142080
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.349900, mean=0.091659
[INFO]: PSS: id=1, peak_pos=5444, peak_value=1.373412
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.045570, mean=0.045570
[INFO]: PSS: id=2, peak_pos=736, peak_value=1.048833
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.317738, mean=0.072787
[INFO]: PSS: id=2, peak_pos=6296, peak_value=1.098662
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.055161, mean=0.059992
[INFO]: PSS: id=2, peak_pos=5670, peak_value=1.073278
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.170526, mean=0.071046
[INFO]: PSS: id=2, peak_pos=1137, peak_value=1.015183
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.081135, mean=0.072055
[INFO]: PSS: id=2, peak_pos=423, peak_value=1.411378
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.279837, mean=0.092833
[INFO]: PSS: id=2, peak_pos=4078, peak_value=1.011710
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.317604, mean=0.115310
[INFO]: PSS: id=2, peak_pos=7149, peak_value=1.023484
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.446092, mean=0.059170
[INFO]: PSS: id=2, peak_pos=3303, peak_value=1.071922
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.340113, mean=0.087264
[INFO]: PSS: id=2, peak_pos=1368, peak_value=1.096769
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.189067, mean=0.097444
[INFO]: PSS: id=2, peak_pos=5743, peak_value=1.120156
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: Set rf_freq to 2110.100 MHz
[ 1/599]: EARFCN 1 Freq. 2110.10 MHz looking for PSS.
[INFO]: Setting sampling frequency 1.92 MHz for PSS search
[INFO]: Starting receiver...
Error timed out while receiving samples from UHD.
Error receiving samples
Error calling srslte_ue_sync_work()
Error searching cell
Error searching cell
The problem is that when the program start to scan the second frequency (2110.10MHz), the USRP report a time out error.
Therefore, I tried another command “ ./cell_search -b 1 -s 1 -e 3 -v”, and I get the following error message:
Opening RF device...
[INFO] [UHD] linux; GNU C++ version 7.3.0; Boost_106501; UHD_3.13.0.1-release
Opening USRP with args: type=x300,master_clock_rate=184.32e6
[INFO] [X300] X300 initialization sequence...
[INFO] [X300] Maximum frame size: 1472 bytes.
[INFO] [X300] Radio 1x clock: 184.32 MHz
[INFO] [0/DmaFIFO_0] Initializing block control (NOC ID: 0xF1F0D00000000000)
[INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1318 MB/s)
[INFO] [0/DmaFIFO_0] BIST passed (Throughput: 1309 MB/s)
[INFO] [0/Radio_0] Initializing block control (NOC ID: 0x12AD100000000001)
[INFO] [0/Radio_1] Initializing block control (NOC ID: 0x12AD100000000001)
[INFO] [0/DDC_0] Initializing block control (NOC ID: 0xDDC0000000000000)
[INFO] [0/DDC_1] Initializing block control (NOC ID: 0xDDC0000000000000)
[INFO] [0/DUC_0] Initializing block control (NOC ID: 0xD0C0000000000000)
[INFO] [0/DUC_1] Initializing block control (NOC ID: 0xD0C0000000000000)
nof_freqs: 2
[INFO]: Set rf_freq to 2110.100 MHz
[ 0/2]: EARFCN 1 Freq. 2110.10 MHz looking for PSS.
[INFO]: Setting sampling frequency 1.92 MHz for PSS search
[INFO]: Starting receiver...
[INFO]: CP-CFO: estimated=0.064905, mean=0.064905
[INFO]: PSS: id=0, peak_pos=3890, peak_value=1.181932
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.036249, mean=0.062040
[INFO]: PSS: id=0, peak_pos=5145, peak_value=1.057476
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.043232, mean=0.060159
[INFO]: PSS: id=0, peak_pos=517, peak_value=1.060595
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.020756, mean=0.052067
[INFO]: PSS: id=0, peak_pos=8709, peak_value=1.244484
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.004572, mean=0.047318
[INFO]: PSS: id=0, peak_pos=1241, peak_value=1.052639
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.022534, mean=0.044840
[INFO]: PSS: id=0, peak_pos=3119, peak_value=1.045657
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.005619, mean=0.040917
[INFO]: PSS: id=0, peak_pos=8312, peak_value=1.022651
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.008100, mean=0.036016
[INFO]: PSS: id=0, peak_pos=1941, peak_value=1.235738
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.010807, mean=0.031333
[INFO]: PSS: id=0, peak_pos=8996, peak_value=1.006491
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.024870, mean=0.030687
[INFO]: PSS: id=0, peak_pos=4947, peak_value=1.025244
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.036512, mean=0.036512
[INFO]: PSS: id=1, peak_pos=5567, peak_value=1.099462
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.015905, mean=0.031270
[INFO]: PSS: id=1, peak_pos=6000, peak_value=1.089841
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.024611, mean=0.030604
[INFO]: PSS: id=1, peak_pos=2873, peak_value=1.012491
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.037536, mean=0.031298
[INFO]: PSS: id=1, peak_pos=7978, peak_value=1.049249
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.011309, mean=0.029299
[INFO]: PSS: id=1, peak_pos=9206, peak_value=1.030742
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.029709, mean=0.029340
[INFO]: PSS: id=1, peak_pos=4000, peak_value=1.080926
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.075812, mean=0.033987
[INFO]: PSS: id=1, peak_pos=5327, peak_value=1.089457
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.006949, mean=0.029893
[INFO]: PSS: id=1, peak_pos=2744, peak_value=1.016759
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.007208, mean=0.026183
[INFO]: PSS: id=1, peak_pos=5009, peak_value=1.008556
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.005778, mean=0.022987
[INFO]: PSS: id=1, peak_pos=5467, peak_value=1.483459
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.011447, mean=0.011447
[INFO]: PSS: id=2, peak_pos=8335, peak_value=1.265054
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.033446, mean=0.013647
[INFO]: PSS: id=2, peak_pos=4190, peak_value=1.150658
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.121587, mean=0.024441
[INFO]: PSS: id=2, peak_pos=1004, peak_value=1.021036
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.032223, mean=0.025219
[INFO]: PSS: id=2, peak_pos=1791, peak_value=1.156843
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.027688, mean=0.025466
[INFO]: PSS: id=2, peak_pos=699, peak_value=1.336000
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.007717, mean=0.023691
[INFO]: PSS: id=2, peak_pos=8170, peak_value=1.288307
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=-0.000036, mean=0.021318
[INFO]: PSS: id=2, peak_pos=9160, peak_value=1.038788
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.063659, mean=0.025552
[INFO]: PSS: id=2, peak_pos=3806, peak_value=1.101132
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.012675, mean=0.024265
[INFO]: PSS: id=2, peak_pos=6016, peak_value=1.101061
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: CP-CFO: estimated=0.018485, mean=0.023687
[INFO]: PSS: id=2, peak_pos=8765, peak_value=1.090525
[INFO]: SYNC FIND: sf_idx=0, ret=0, next_state=0
[INFO]: Set rf_freq to 2110.200 MHz
[ 1/2]: EARFCN 2 Freq. 2110.20 MHz looking for PSS.
[INFO]: Setting sampling frequency 1.92 MHz for PSS search
[INFO]: Starting receiver...
Error timed out while receiving samples from UHD.
Error receiving samples
Error calling srslte_ue_sync_work()
Error searching cell
Error searching cell
From the message, I found that the it is not about the 2110.20MHz frequency. The cell search just cannot loop. If the program reconfigure the center frequency, the USRP cannot work and collect the IQ data.
Can anyone kindly help me with this problem?
Thanks in advance.
-Best regards.
Yaxiong
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