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SysSec-KAIST / LTESniffer

An Open-source LTE Downlink/Uplink Eavesdropper
GNU Affero General Public License v3.0
1.8k stars 184 forks source link

Is LTESniffer related to band? #74

Closed stuitee closed 5 months ago

stuitee commented 6 months ago

LTESniffer fails to synchronize and resolve the broadcast channel.

hmily@hmily:~/LTESniffer-main/build/src$ sudo ./LTESniffer -A 2 -W 8 -f 2680e6 -C -m 0

LTESniffer

Mon_Jun__3_13.05.46_2024. Creating Phy Creating 8 Worker threads Opening RF device with 2 RX antennas... Available RF device list: UHD Trying to open RF device 'UHD' [INFO] [UHD] linux; GNU C++ version 7.5.0; Boost_106501; UHD_4.6.0.0-0-unknown [INFO] [LOGGING] Fastpath logging disabled at runtime. [INFO] [B200] Loading firmware image: /usr/local/share/uhd/images/usrp_b200_fw.hex... 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] Loading FPGA image: /usr/local/share/uhd/images/usrp_b210_fpga.bin... [INFO] [B200] Operating over USB 3. [INFO] [B200] Detecting internal GPSDO.... [INFO] [GPS] No GPSDO found [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 Starting AGC thread... Tunning receiver to 2680.000 MHz Searching for cell... Found Cell_id: 0 FDD, CP: Normal , DetectRatio= 0% PSR=0.00, Power=-inf dBm Found Cell_id: 277 FDD, CP: Normal , DetectRatio=50% PSR=2.21, Power=14.1 dBm Found Cell_id: 0 FDD, CP: Normal , DetectRatio= 0% PSR=0.00, Power=-inf dBm Decoding PBCH for cell 277 (N_id_2=1) Cell not found after 0 trials. Trying again (Press Ctrl+C to exit) Searching for cell... Found Cell_id: 0 FDD, CP: Normal , DetectRatio= 0% PSR=0.00, Power=-inf dBm Found Cell_id: 1 FDD, CP: Normal , DetectRatio=62% PSR=2.01, Power=13.3 dBm Found Cell_id: 0 FDD, CP: Normal , DetectRatio= 0% PSR=0.00, Power=-inf dBm Decoding PBCH for cell 1 (N_id_2=1) Cell not found after 1 trials. Trying again (Press Ctrl+C to exit) Searching for cell... Found Cell_id: 0 FDD, CP: Normal , DetectRatio= 0% PSR=0.00, Power=-inf dBm Found Cell_id: 277 FDD, CP: Normal , DetectRatio=50% PSR=2.01, Power=14.3 dBm Found Cell_id: 0 FDD, CP: Normal , DetectRatio= 0% PSR=0.00, Power=-inf dBm Decoding PBCH for cell 277 (N_id_2=1) Cell not found after 2 trials. Trying again (Press Ctrl+C to exit) Searching for cell... Found Cell_id: 0 FDD, CP: Normal , DetectRatio= 0% PSR=0.00, Power=-inf dBm Found Cell_id: 277 FDD, CP: Normal , DetectRatio=50% PSR=3.17, Power=14.7 dBm Found Cell_id: 0 FDD, CP: Normal , DetectRatio= 0% PSR=0.00, Power=-inf dBm Decoding PBCH for cell 277 (N_id_2=1) Cell not found after 3 trials. Trying again (Press Ctrl+C to exit) Searching for cell... Found Cell_id: 0 FDD, CP: Normal , DetectRatio= 0% PSR=0.00, Power=-inf dBm Found Cell_id: 1 FDD, CP: Normal , DetectRatio=44% PSR=2.29, Power=14.0 dBm Found Cell_id: 0 FDD, CP: Normal , DetectRatio= 0% PSR=0.00, Power=-inf dBm Decoding PBCH for cell 1 (N_id_2=1) Cell not found after 4 trials. Trying again (Press Ctrl+C to exit) Searching for cell... Found Cell_id: 0 FDD, CP: Normal , DetectRatio= 0% PSR=0.00, Power=-inf dBm Found Cell_id: 1 FDD, CP: Normal , DetectRatio=83% PSR=2.23, Power=14.1 dBm Found Cell_id: 0 FDD, CP: Normal , DetectRatio= 0% PSR=0.00, Power=-inf dBm Decoding PBCH for cell 1 (N_id_2=1)

hdtuanss commented 5 months ago

Hi, if you are using USRP B210, please add -a "num_recv_frames=512" to your command and run it again. Thanks