nRF91 Geolocation and Cell Triangulation

Hi, 

I would like to implement cell triangulation with the nRF91 in order determine the location of the device via cellular. I already had a look at the available posts such as https://devzone.nordicsemi.com/f/nordic-q-a/44093/nrf9160-dk-geolocation-through-lte

However, the problems were not solved and it seems there was not much development around this topic.

According to the documentation the %NBRGRSRP command should return the neighbor cells which could be a good start for my purpose. Unfortunately, this command returns only "OK" and no information about cells.

I tested this command with the at_client and the latest modem firmware, while being connected to NB-IoT.

  • How can this command be used, respectively is there another possibility for retrieving the neighbouring cells? 
  • Is there already any approach avaible for cell triangulation? 

Thanks in advance, 

Manuel

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