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ANT+ & BLE Stack Coexistence Issue

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Total Posts: 1

Joined 2022-03-20

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Hello,

I am using the Nordic 52833 and based on the nrf5SDK S332, running an application that supports the coexistence of BLE and ANT+. The BLE part includes 3 connections, acting as both a central and a peripheral. As a central, it has 2 connections with 45ms connect interval ; as a peripheral, it has 1 connection with 15ms connect interval. Meanwhile, it also connects to an ANT+ heart rate monitor.

The issue I am encountering is that after running for a while, there is a certain probability that the ANT+ connection will disconnect, softdevice reports the RX_FAIL_GO_TO_SEARCH event. I have tried using sd_ant_coex_config_set to configure it, but the effect is not ideal. Could you please suggest some solutions to reduce the probability of ANT+ disconnection? How to configure "slave latency" in the ANT protocol?

Thank you.