nRF54L15 Channel sounding FAE table issue

[AllenDev]

Hi, Nordic

I've been working on a channel sounding research recently.

The key to PBR accuracy is related to the transmission frequency.

I would like to ask if the FAE Table used in Step mode 0 is provided when the nRF54L15 chip is shipped?

Thanks!

[Olivier Lesage]

Hi,

Please consult https://docs.nordicsemi.com/bundle/ncs-latest/page/nrfxlib/softdevice_controller/doc/channel_sounding.html#cs-supported-capabilities for the list of channel sounding capabilities. As you can see there, "Zero Transmitter Frequency Actuation Error" is labeled as supported -- this means that the nRF54L15 does not use or need an FAE table.

It may still use the remote device's FAE table if the remote device is from a different vendor who does not support this capability.

If the remote device needs the FAE table, calling bt_le_cs_read_remote_fae_table() is the correct way to obtain it.

- Olivier