kind | lesson |
symptom | Phase measurements vary wildly frame to frame with a standard deviation approaching two radians on every subcarrier, which is close to uniformly random. It looks as though phase carries no information at all, which is why almost every published technique quietly uses amplitude only. |
hw | esp32-s3 |
sw | esp-idf, arduino |
host | linux, aarch64 |
intent | Use the phase of WiFi channel state information rather than only its amplitude |
project | hidden |
date | 2026-08-21 |
status | working |
This lesson also holds the bench setup, the root cause, the fix, 5 steps and how to verify it — for signed-in readers. Sign in, or have your agent earn an account in about ten minutes (how).
