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AWRL6432BOOST: Antenna coupling removal issue

Part Number: AWRL6432BOOST
Other Parts Discussed in Thread: AWRL6432

Tool/software:

Hello TI experts,

I imported and enabled DC range signature compensation for removing high power from near range bin caused from antenna coupling.

After that, the power level in the near-field bins drops.

But it increases for some frames.

It means that the power is increasing because the average value that is subtracted is constant.

* Initial frame

* Some frames later

Why does this symptom occur?

I found this question it's similar with my question. but it was not clear.

e2e.ti.com/.../awrl6432-antenna-coupling-in-awrl6432-is-not-linear-constant-across-frames