Wifi Ble Coex stability

f.h-f.s.
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Joined: Thu Dec 08, 2016 2:53 pm

Wifi Ble Coex stability

Postby f.h-f.s. » Thu Nov 14, 2024 3:42 pm

I am working on a project where we are using an Esp32-S3
We have a Mqtt connection and a Ble Connection running constantly

After setting the Wifi powersaving settings to WIFI_PS_MIN_MODEM the wifi connection seems stable over night.
The Nimble Ble connection drops about 9 times over night, with a BLE_ERR_CONN_SPVN_TMO with the connection interval set to 300ms and supervision timeout at 1300ms.

I've had that same device connected over BLE for days with only one disconnect.

Is the esp_ble stack more stable than the Nimble port?
How would I minimize the amount of disconnects?

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