RE: Intermittent BLE Notification packet loss with nRF52832

Vidar Berg — Mon, 07 Apr 2025 12:24:14 GMT

Hi,

Packets successfully added to the notification queue in the Bluetooth stack should not be lost. Notification packets are re-transmitted until they are acknowledged by the receiver. The link will be considered lost if a packet fails to be received after x attempts (number of attempts is dependent on the supervision timeout and connection interval set for the given connection). Does your code ensure the notification send function always returns with success?

[quote user=""]Has anyone faced this before? Also, is there a throughput sample available that works with notifications (instead of writes)?[/quote]

Below is a sample I create to simulate sending of sensor data. It can also be used to test throughput.

devzone.nordicsemi.com/.../7673.send_5F00_sensor_5F00_samples.zip

Best regards,

Vidar