[srsran-users] USRP N321 and B210 LTE connection

Wed Sep 28 14:52:28 UTC 2022

Hi srsRAN,
I try to simulate LTE connection between USRP N321 and B210. UE side is B210 and epc, enb are N321 side. Before connection I run masquerading script and first epc and enb after that ue. UE gives an error with 'RRC connection reestablishment to PCI=1, EARFCN=3350 (cause: "otherFailure")'. I attach the log,config and output files. I couldn't figure out what it could be wrong?
Bests
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INFO] [LOGGING] Fastpath logging disabled at runtime.
Opening USRP channels=2, args: type=b200,master_clock_rate=23.04e6
[INFO] [UHD RF] RF UHD Generic instance constructed
[INFO] [B200] Detected Device: B210
[INFO] [B200] Operating over USB 3.
[INFO] [B200] Initialize CODEC control...
[INFO] [B200] Initialize Radio control...
[INFO] [B200] Performing register loopback test... 
[INFO] [B200] Register loopback test passed
[INFO] [B200] Performing register loopback test... 
[INFO] [B200] Register loopback test passed
[INFO] [B200] Asking for clock rate 23.040000 MHz... 
[INFO] [B200] Actually got clock rate 23.040000 MHz.
[INFO] [MULTI_USRP]     1) catch time transition at pps edge
[INFO] [MULTI_USRP]     2) set times next pps (synchronously)
RF device 'UHD' successfully opened
Waiting PHY to initialize ... done!
Attaching UE...
.
Found Cell:  Mode=FDD, PCI=1, PRB=100, Ports=2, CP=Normal, CFO=-5.3 KHz
RF status: O=3, U=0, L=0
Found PLMN:  Id=00101, TAC=7
Random Access Transmission: seq=34, tti=4661, ra-rnti=0x2
RRC Connected
Random Access Complete.     c-rnti=0x46, ta=5
Network attach successful. IP: 172.16.0.2
Software Radio Systems RAN (srsRAN) 28/9/2022 14:27:25 TZ:0
RF status: O=0, U=1, L=0
/home/bora/srsRAN/lib/src/phy/phch/ra_dl.c:529: Reserved codebook index (nof_tb=2, pinfo=7)
/home/bora/srsRAN/lib/src/phy/phch/ra_dl.c:592: Configuring MIMO PMI
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=44, tti=6271, ra-rnti=0x2
Reestablishment OK
RRC Connected
Random Access Complete.     c-rnti=0x47, ta=5
RF status: O=0, U=0, L=1
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=21, tti=6891, ra-rnti=0x2
Reestablishment Reject. Going to RRC IDLE
Random Access Complete.     c-rnti=0x48, ta=5
RRC IDLE
RF status: O=0, U=1, L=2
RF status: O=3, U=0, L=0
Service Request with cause mo-Data.
Random Access Transmission: seq=1, tti=7591, ra-rnti=0x2
RRC Connected
Random Access Complete.     c-rnti=0x4a, ta=5
Service Request successful.
RF status: O=0, U=2, L=0
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=28, tti=8981, ra-rnti=0x2
Reestablishment OK
RRC Connected
Random Access Complete.     c-rnti=0x4d, ta=5
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
RF status: O=0, U=1, L=2
Random Access Transmission: seq=35, tti=9861, ra-rnti=0x2
Reestablishment OK
RRC Connected
Random Access Complete.     c-rnti=0x50, ta=5
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=47, tti=581, ra-rnti=0x2
RF status: O=0, U=3, L=1
Reestablishment Reject. Going to RRC IDLE
Random Access Complete.     c-rnti=0x52, ta=5
RRC IDLE
Service Request with cause mo-Data.
Random Access Transmission: seq=10, tti=1511, ra-rnti=0x2
RRC Connected
Random Access Complete.     c-rnti=0x53, ta=5
Service Request successful.
Warning: Detected Radio-Link Failure
RRC IDLE
Service Request with cause mo-Data.
RF status: O=0, U=0, L=1
Random Access Transmission: seq=51, tti=5421, ra-rnti=0x2
RRC Connected
Random Access Complete.     c-rnti=0x56, ta=5
Service Request successful.
RF status: O=0, U=0, L=1
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=32, tti=6261, ra-rnti=0x2
Reestablishment OK
RRC Connected
Random Access Complete.     c-rnti=0x57, ta=5
RF status: O=0, U=3, L=0
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=5, tti=6791, ra-rnti=0x2
Reestablishment OK
RRC Connected
Random Access Complete.     c-rnti=0x58, ta=5
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=44, tti=7121, ra-rnti=0x2
Reestablishment OK
RRC Connected
Random Access Complete.     c-rnti=0x59, ta=5
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=26, tti=7521, ra-rnti=0x2
Reestablishment OK
RRC Connected
Random Access Complete.     c-rnti=0x5a, ta=5
RF status: O=0, U=1, L=3
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
RF status: O=0, U=0, L=1
Random Access Transmission: seq=16, tti=8991, ra-rnti=0x2
Reestablishment Reject. Going to RRC IDLE
Random Access Complete.     c-rnti=0x5b, ta=5
RRC IDLE
RF status: O=0, U=0, L=1
Service Request with cause mo-Data.
Random Access Transmission: seq=9, tti=6471, ra-rnti=0x2
RRC Connected
Random Access Complete.     c-rnti=0x5d, ta=5
Service Request successful.
RF status: O=0, U=2, L=0
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=42, tti=7821, ra-rnti=0x2
Random Access Transmission: seq=30, tti=7901, ra-rnti=0x2
Timer T301 expired: Going to RRC IDLE
RRC IDLE
RF status: O=0, U=0, L=2
Service Request with cause mo-Data.
Random Access Transmission: seq=16, tti=8521, ra-rnti=0x2
Random Access Transmission: seq=1, tti=8541, ra-rnti=0x2
Random Access Transmission: seq=19, tti=8561, ra-rnti=0x2
Random Access Transmission: seq=29, tti=8581, ra-rnti=0x2
Random Access Transmission: seq=35, tti=8601, ra-rnti=0x2
Random Access Transmission: seq=18, tti=8621, ra-rnti=0x2
Random Access Transmission: seq=26, tti=8641, ra-rnti=0x2
Random Access Transmission: seq=24, tti=8661, ra-rnti=0x2
Random Access Transmission: seq=6, tti=8681, ra-rnti=0x2
Random Access Transmission: seq=9, tti=8701, ra-rnti=0x2
RRC connection for Service Request failed.
Service Request with cause mo-Data.
RF status: O=0, U=1, L=0
Random Access Transmission: seq=20, tti=2391, ra-rnti=0x2
RRC Connected
Random Access Complete.     c-rnti=0x74, ta=5
Service Request successful.
RF status: O=0, U=3, L=0
Warning: Detected Radio-Link Failure
RF status: O=0, U=1, L=2
.
Found Cell:  Mode=FDD, PCI=1, PRB=100, Ports=2, CP=Normal, CFO=-5.4 KHz
RF status: O=3, U=0, L=0
RF status: O=3, U=0, L=0
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=34, tti=5141, ra-rnti=0x2
Reestablishment OK
RRC Connected
Random Access Complete.     c-rnti=0x76, ta=5
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=44, tti=5901, ra-rnti=0x2
Reestablishment OK
RRC Connected
Random Access Complete.     c-rnti=0x77, ta=5
RF status: O=0, U=1, L=1
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=20, tti=6201, ra-rnti=0x2
Reestablishment Reject. Going to RRC IDLE
Random Access Complete.     c-rnti=0x78, ta=5
RRC IDLE
Service Request with cause mo-Data.
Random Access Transmission: seq=45, tti=6501, ra-rnti=0x2
RRC Connected
Random Access Complete.     c-rnti=0x79, ta=5
Service Request successful.
Warning: Detected Radio-Link Failure
RRC IDLE
Service Request with cause mo-Data.
Random Access Transmission: seq=36, tti=521, ra-rnti=0x2
RRC Connected
Random Access Complete.     c-rnti=0x7b, ta=5
Service Request successful.
RF status: O=0, U=0, L=3
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=18, tti=2691, ra-rnti=0x2
Reestablishment OK
RRC Connected
Random Access Complete.     c-rnti=0x7c, ta=5
RF status: O=0, U=0, L=1
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=22, tti=3681, ra-rnti=0x2
Reestablishment OK
RRC Connected
Random Access Complete.     c-rnti=0x7f, ta=5
RF status: O=0, U=0, L=1
Warning: Detected Radio-Link Failure
RRC Connection Reestablishment to PCI=1, EARFCN=3350 (Cause: "otherFailure")
Random Access Transmission: seq=41, tti=4351, ra-rnti=0x2
Reestablishment Reject. Going to RRC IDLE
Random Access Complete.     c-rnti=0x82, ta=5
RRC IDLE
RF status: O=0, U=0, L=1