[srslte-users] Runtime Error: multiple sampling rates

[Charbel Lahoud]

Hi,

Any suggestions why transmission modes 2-4 aren't working with my setup and how to fix this USRP Error?
Radio used: USRP N321
Connection: cables with 30 dB attenuator on each

Best regards
Charbel

Reading configuration file /home/ubuntu18-sdr/.config/srslte/enb.conf...
Built in Release mode using commit 45486b6e2 on branch HEAD.
/home/ubuntu18-sdr/srsRAN/srsenb/src/enb_cfg_parser.cc.890: Force DL EARFCN for cell PCI=1 to 3350

Opening 2 channels in RF device=default with args=default
[INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501; UHD_3.15.0.0-62-g7a3f1516
[INFO] [LOGGING] Fastpath logging disabled at runtime.
Opening USRP channels=2, args: type=n3xx,master_clock_rate=245.76e6
[INFO] [MPMD] Initializing 1 device(s) in parallel with args: mgmt_addr=192.168.10.2,type=n3xx,product=n320,serial=31EABBA,claimed=False,addr=192.168.10.2,master_clock_rate=245.76e6
[INFO] [MPM.PeriphManager] init() called with device args `mgmt_addr=192.168.10.2,product=n320,time_source=internal,master_clock_rate=245.76e6,clock_source=internal'.
[INFO] [MPM.Rhodium-0] init() called with args `mgmt_addr=192.168.10.2,product=n320,time_source=internal,master_clock_rate=245.76e6,clock_source=internal'
[INFO] [MPM.Rhodium-1] init() called with args `mgmt_addr=192.168.10.2,product=n320,time_source=internal,master_clock_rate=245.76e6,clock_source=internal'
[INFO] [0/Replay_0] Initializing block control (NOC ID: 0x4E91A00000000004)
[INFO] [0/Radio_0] Initializing block control (NOC ID: 0x12AD100000000320)
[INFO] [0/Radio_1] Initializing block control (NOC ID: 0x12AD100000000320)
[INFO] [0/DDC_0] Initializing block control (NOC ID: 0xDDC0000000000001)
[INFO] [0/DDC_1] Initializing block control (NOC ID: 0xDDC0000000000001)
[INFO] [0/DUC_0] Initializing block control (NOC ID: 0xD0C0000000000000)
[INFO] [0/DUC_1] Initializing block control (NOC ID: 0xD0C0000000000000)
[INFO] [0/FIFO_0] Initializing block control (NOC ID: 0xF1F0000000000000)
[INFO] [0/FIFO_1] Initializing block control (NOC ID: 0xF1F0000000000000)
[INFO] [MULTI_USRP]     1) catch time transition at pps edge
[INFO] [MULTI_USRP]     2) set times next pps (synchronously)
/home/ubuntu18-sdr/srsRAN/lib/src/phy/rf/rf_uhd_imp.cc.928: USRP reported the following error: RuntimeError: Multiple sampling rates upstream of RX Terminator 0: RuntimeError: Node 0/DDC_0 specifies 1.536e+07, node 0/DDC_1 specifies 1.92e+06.

==== eNodeB started ===
Type <t> to view trace
/home/ubuntu18-sdr/srsRAN/lib/src/phy/rf/rf_uhd_imp.cc.982: USRP reported the following error: RuntimeError: Multiple sampling rates upstream of RX Terminator 0: RuntimeError: Node 0/DDC_0 specifies 1.536e+07, node 0/DDC_1 specifies 1.92e+06.

Setting frequency: DL=2680.0 Mhz, UL=2560.0 MHz for cc_idx=0
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