[srslte-users] Problem in srsLTE with ZMQ driver

Thu May 7 08:17:26 UTC 2020

Hi,

please check the ZMQ related thread from yesterday.

Basically, you have to use [1] for now.

Thanks
Andre

[1] https://github.com/srsLTE/srsLTE/tree/sr_config_regression

On 7/5/20 9:54, Woojoong Kim wrote:
> Hi all,
> 
> I am trying to use ZMQ driver-based srsLTE.
> 
> I am following
> this: https://docs.srslte.com/en/latest/app_notes/source/zeromq/source/#introduction
> 
> However, looks like it does not work well… Ping does not work because UE
> does not have an IP address..
> 
> Here is the UE’s log 
> 
> ======
> Reading configuration file /users/wkim/.config/srslte/ue.conf…
> 
> Built in Release mode using commit e3e384821 on branch HEAD.
> 
> Opening 1 channels in RF device=zmq with
> args=tx_port=tcp://*:2001,rx_port=tcp://localhost:2000,id=ue,base_srate=23.04e6
> CHx base_srate=23.04e6
> CHx id=ue
> Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12
> decimation)
> CH0 rx_port=tcp://localhost:2000
> CH0 tx_port=tcp://*:2001
> Waiting PHY to initialize … done!
> Attaching UE…
> Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12
> decimation)
> Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12
> decimation)
> ^CStopping ..
> Couldn't stop after 5s. Forcing exit.
> Killed
> wkim at k8s-2:~/workspace/srsLTE/build$
> wkim at k8s-2:~/workspace/srsLTE/build$ sudo ./srsue/src/srsue
> --rf.device_name=zmq
> --rf.device_args="tx_port=tcp://*:2001,rx_port=tcp://localhost:2000,id=ue,base_srate=23.04e6"
> --gw.netns=ue1 —phy.nof_phy_threads=1
> Reading configuration file /users/wkim/.config/srslte/ue.conf…
> 
> Built in Release mode using commit e3e384821 on branch HEAD.
> 
> Opening 1 channels in RF device=zmq with
> args=tx_port=tcp://*:2001,rx_port=tcp://localhost:2000,id=ue,base_srate=23.04e6
> CHx base_srate=23.04e6
> CHx id=ue
> Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12
> decimation)
> CH0 rx_port=tcp://localhost:2000
> CH0 tx_port=tcp://*:2001
> Waiting PHY to initialize … done!
> Attaching UE…
> Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12
> decimation)
> Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12
> decimation)
> .
> Found Cell: Mode=FDD, PCI=1, PRB=50, Ports=1, CFO=-0.2 KHz
> Current sample rate is 11.52 MHz with a base rate of 23.04 MHz (x2
> decimation)
> Current sample rate is 11.52 MHz with a base rate of 23.04 MHz (x2
> decimation)
> Found PLMN: Id=00101, TAC=7
> Random Access Transmission: seq=36, ra-rnti=0x2
> Random Access Complete. c-rnti=0x46, ta=0
> RRC Connected
> Scheduling request failed: releasing RRC connection…
> Random Access Transmission: seq=39, ra-rnti=0x2
> Random Access Transmission: seq=24, ra-rnti=0x2
> Random Access Transmission: seq=27, ra-rnti=0x2
> Random Access Transmission: seq=28, ra-rnti=0x2
> Random Access Transmission: seq=42, ra-rnti=0x2
> Random Access Transmission: seq=36, ra-rnti=0x2
> Random Access Transmission: seq=8, ra-rnti=0x2
> Random Access Transmission: seq=37, ra-rnti=0x2
> Random Access Transmission: seq=24, ra-rnti=0x2
> Random Access Transmission: seq=50, ra-rnti=0x2
> Warning: Detected Radio-Link Failure
> RRC IDLE
> Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12
> decimation)
> Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12
> decimation)
> .
> Found Cell: Mode=FDD, PCI=1, PRB=50, Ports=1, CFO=-0.2 KHz
> Current sample rate is 11.52 MHz with a base rate of 23.04 MHz (x2
> decimation)
> Current sample rate is 11.52 MHz with a base rate of 23.04 MHz (x2
> decimation)
> Found PLMN: Id=00101, TAC=7
> Random Access Transmission: seq=30, ra-rnti=0x2
> Random Access Complete. c-rnti=0x51, ta=0
> RRC Connected
> Scheduling request failed: releasing RRC connection…
> Random Access Transmission: seq=7, ra-rnti=0x2
> Random Access Transmission: seq=27, ra-rnti=0x2
> Random Access Transmission: seq=13, ra-rnti=0x2
> Random Access Transmission: seq=1, ra-rnti=0x2
> Random Access Transmission: seq=43, ra-rnti=0x2
> Random Access Transmission: seq=41, ra-rnti=0x2
> Random Access Transmission: seq=5, ra-rnti=0x2
> Random Access Transmission: seq=45, ra-rnti=0x2
> Random Access Transmission: seq=47, ra-rnti=0x2
> Random Access Transmission: seq=50, ra-rnti=0x2
> Warning: Detected Radio-Link Failure
> ===
> 
> And this is eNB’s log
> ===
> --- Software Radio Systems LTE eNodeB —
> 
> Reading configuration file /users/wkim/.config/srslte/enb.conf…
> 
> Built in Release mode using commit e3e384821 on branch HEAD.
> 
> Opening 1 channels in RF device=zmq with
> args=fail_on_disconnect=true,tx_port=tcp://*:2000,rx_port=tcp://localhost:2001,id=enb,base_srate=23.04e6
> CHx base_srate=23.04e6
> CHx id=enb
> Current sample rate is 1.92 MHz with a base rate of 23.04 MHz (x12
> decimation)
> CH0 rx_port=tcp://localhost:2001
> CH0 tx_port=tcp://*:2000
> CH0 fail_on_disconnect=true
> Warning: Failed to create thread with real-time priority. Creating it
> with normal priority: Cannot allocate memory
> Warning: Failed to create thread with real-time priority. Creating it
> with normal priority: Cannot allocate memory
> Warning: Failed to create thread with real-time priority. Creating it
> with normal priority: Cannot allocate memory
> Current sample rate is 11.52 MHz with a base rate of 23.04 MHz (x2
> decimation)
> Current sample rate is 11.52 MHz with a base rate of 23.04 MHz (x2
> decimation)
> Setting frequency: DL=2685.0 Mhz, UL=2565.0 MHz for cc_idx=0
> 
> ==== eNodeB started ===
> Type <t> to view trace
> t
> Enter t to stop trace.
> RACH: tti=361, preamble=36, offset=0, temp_crnti=0x46
> Disconnecting rnti=0x46.
> RACH: tti=3301, preamble=39, offset=0, temp_crnti=0x47
> Disconnecting rnti=0x47.
> RACH: tti=3391, preamble=24, offset=0, temp_crnti=0x48
> Disconnecting rnti=0x48.
> RACH: tti=3481, preamble=27, offset=0, temp_crnti=0x49
> 
> ------DL--------------------------------UL——————————————————
> rnti cqi ri mcs brate ok nok (%) snr phr mcs brate ok nok (%) bsr
>   49 0.10 0 0.0 0 0 0 0% 0 30.0 9.0 737 1 7 88% 0.0
> Disconnecting rnti=0x49.
> RACH: tti=3571, preamble=28, offset=0, temp_crnti=0x4a
> Disconnecting rnti=0x4a.
> RACH: tti=3661, preamble=42, offset=0, temp_crnti=0x4b
> Disconnecting rnti=0x4b.
> RACH: tti=3751, preamble=36, offset=0, temp_crnti=0x4c
> Disconnecting rnti=0x4c.
> RACH: tti=3841, preamble=8, offset=0, temp_crnti=0x4d
> Disconnecting rnti=0x4d.
> RACH: tti=3931, preamble=37, offset=0, temp_crnti=0x4e
> Disconnecting rnti=0x4e.
> RACH: tti=4021, preamble=24, offset=0, temp_crnti=0x4f
> Disconnecting rnti=0x4f.
> RACH: tti=4111, preamble=50, offset=0, temp_crnti=0x50
> Disconnecting rnti=0x50.
> RACH: tti=7701, preamble=30, offset=0, temp_crnti=0x51
> Disconnecting rnti=0x51.
> RACH: tti=381, preamble=7, offset=0, temp_crnti=0x52
> Disconnecting rnti=0x52.
> RACH: tti=471, preamble=27, offset=0, temp_crnti=0x53
> Disconnecting rnti=0x53.
> RACH: tti=561, preamble=13, offset=0, temp_crnti=0x54
> Disconnecting rnti=0x54.
> RACH: tti=651, preamble=1, offset=0, temp_crnti=0x55
> Disconnecting rnti=0x55.
> RACH: tti=741, preamble=43, offset=0, temp_crnti=0x56
> Disconnecting rnti=0x56.
> RACH: tti=831, preamble=41, offset=0, temp_crnti=0x57
>   57 0.10 0 0.0 0 0 0 0% 0 30.0 5.2 1.5k 1 3 75% 0.0
> Disconnecting rnti=0x57.
> RACH: tti=921, preamble=5, offset=0, temp_crnti=0x58
> Disconnecting rnti=0x58.
> RACH: tti=1011, preamble=45, offset=0, temp_crnti=0x59
> Disconnecting rnti=0x59.
> RACH: tti=1101, preamble=47, offset=0, temp_crnti=0x5a
> Disconnecting rnti=0x5a.
> RACH: tti=1191, preamble=50, offset=0, temp_crnti=0x5b
> Disconnecting rnti=0x5b.
> ===
> 
> Is it correct? If not, could you teach me how to fix it?
> 
> Thanks all!
> Woojoong.
> 
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