How to make USRP-based OpenBTS boards - URAN-1 / SRAD-1 work?

get OpenBTS ISO

(Apply modified-USRP1 with 52Mhz、URAN-1 and SRAD-1)

• USRP1-52M-Clock-BTS.iso
  • the ISO Autostarted OpenBTS 4.0 inside.
• OpenBTS 4.0 manual
• USRP1_52M_CLOCK_BTS Manual

Some Testing Commands

(the root user)

• Testing whether the system is connected

usrp_probe

• Testing usrp1 of usb data transfer rate

/usr/local/share/gnuradio/examples/usrp/usrp_benchmark_usb.py

• View sub-board and the motherboard is connected

lsusrp

• Reprogram the USRP1 motherboard eeprom

/usr/local/src/gnuradio-3.4.2/usrp/firmware/src/usrp2/burn-usrp4-eeprom 

• Benchmark emission command signal

/usr/local/share/gnuradio/examples/digital/benchmark_tx.py -f 900M -T A

• Usrp_fft received signal command

usrp_fft.py -f 900M -R A