Jiao Xianjun

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Could you give a full log that shows what you have input line by line starting from git clone?

Good to know that you can run the demo.

Try this: https://github.com/open-sdr/openwifi/issues/334#issuecomment-1676886785

Yes it is frequency offset. Here you can find how we convert that phase_offset to real frequency offset: https://github.com/open-sdr/openwifi/blob/0dc81d985e5862bcd08b56b692b53312fb4fce95/user_space/side_ch_ctl_src/side_info_display.py#L84

To change the BW/sampling rate, I would suggest you check information in this issue : https://github.com/open-sdr/openwifi/issues/155

Maybe you could search/learn how other chip support 5MHz and 10Mhz in the kernel driver tree, like ath9k (if my memory is correct).

interesting findings.