Direction finding using nRF5340 development kits.

RE: Direction finding using nRF5340 development kits.

Madan C — Tue, 13 May 2025 03:53:16 GMT

Thanks for your clarification.

RE: Direction finding using nRF5340 development kits.

Madan C — Tue, 13 May 2025 03:52:48 GMT

Thank you for your valuable information.

RE: Direction finding using nRF5340 development kits.

AHaug — Mon, 12 May 2025 12:35:47 GMT

[quote user="PaKa"]

Just to be clear:

nRF54L15 does not support Direction Finding.
nRF52/53 does not support Channel Sounding

[/quote]

What Paal says is an important clarification.

[quote user="Madan C"]Can you please confirm that will be able to find the direction only using nRF54L15 DK[/quote]

My bad for not being clearer. Channel Sounding is NOT the same as Direction Finding.

Kind regards,
Andreas

RE: Direction finding using nRF5340 development kits.

PaKa — Mon, 12 May 2025 12:09:24 GMT

You will need multiple antennas to do direction finding.Insight SIP, ublox and CoreHW have antenna arrays available. ublox also has algorithms for their antenna, for the other you will have to develop these.

What you can do with Channel Sounding is use distance and trilateration to locate units unlike Direction Finding and Triangulation.

Just to be clear:

nRF54L15 does not support Direction Finding.
nRF52/53 does not support Channel Sounding

RE: Direction finding using nRF5340 development kits.

AHaug — Mon, 12 May 2025 11:47:57 GMT

Yes, the samples in 3. and 4. supports the nRF54L15Dks, so you can set up this without additional hardware than the nRF54L15DK

See

Kind regards,
Andreas

RE: Direction finding using nRF5340 development kits.

Madan C — Mon, 12 May 2025 11:30:02 GMT

Hi,

Thanks for your response.

Can you please confirm that will be able to find the direction only using nRF54L15 DKs without any additional hardware requirements and also is there APIs or sample code support in SDK for direction finding application using nRF54L15 DK.

Regards,
Madan

RE: Direction finding using nRF5340 development kits.

AHaug — Mon, 12 May 2025 10:47:37 GMT

Hi,

https://www.nordicsemi.com/Products/Wireless/Bluetooth-Direction-Finding

[quote user=""]found that an antenna array is required to find the direction using nRF5340 DK[/quote]

This is correct. You need an antenna array for Direction finding to calculate the angle of arrival.

The alternative solution is to look into Channel Sounding for the nRF54L15. This only requires a 1-1 connection and some encryption. https://docs.nordicsemi.com/bundle/ncs-latest/page/nrfxlib/softdevice_controller/doc/channel_sounding.html and https://www.nordicsemi.com/Products/Wireless/Bluetooth-Low-Energy/Channel-Sounding

Let me know if this answers your questions.

Kind regards,
Andreas