gr-doa is a demonstration on the phase synchronization capability of Ettus Research's USRP X440. We provide apps to determine the accuracy of phase synchronization achieved and to estimate DoA which fundamentally requires accurate phase synchronization across the receive streams.
UHD >= 4.8.0.0
gnuradio >= 3.11.0.0
armadillo >= 12.6.7
octave (Tested 8.4.0)
octave-signal (Tested 1.4.6)
scipy (Tested 1.16.0)
oct2py (Tested 5.8.0)
- A wrapper to the USRP source block for a syncronised X440
- Relative phase offset measurement and correction
- Antenna element calibration for linear arrays
- MUSIC algorithm for linear arrays
- Root-MUSIC algorithm for linear arrays
Ubuntu 24.04
For the installation guide go to gr-doa wiki
For a concise description of the steps involved to set up the programm: https://github.com/EttusResearch/gr-doa/wiki
For detailed description: gr-doa/docs/whitepaper/doa_whitepaper.pdf
