NRF9160 GPS without LTE availability

Hi,

We are developing with the nrf9160dk as our development board. We are working from the aws-nrf-cloud a-gps sample  (cat tracker sample) for our stack as our main system is AWS based. This works fine for 90% of our use cases. 

However:

We have a scenario in 10% of cases where our devices will be used outside of cell signal and should still continue to collect GPS data. The LTE antenna can be fully turned off in these cases. It seems like the "samples/nrf9160/gps" have all been removed from the docs and everything is a-gps, p-gps related and all samples require cell connectivity to function. Will we be able to acquire satellites the old fashion way when we are out of cell range. Is there any up-to-date documentation that describes this task?

Is this AT command based or is there a library we should be using for this?

Thank you.

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  • Thank you Øyvind!

    The Modem Library GNSS interface link is exactly what I was trying to find in the docs.

    "Operation is time multiplexed with LTE modem, and it is possible to use the GPS and QZSS receiver to obtain position either while the LTE is in RRC Idle mode or power saving mode (PSM), or when the LTE modem is completely deactivated."

    I will start testing based off the gnss sample. Thank you.

Reply
  • Thank you Øyvind!

    The Modem Library GNSS interface link is exactly what I was trying to find in the docs.

    "Operation is time multiplexed with LTE modem, and it is possible to use the GPS and QZSS receiver to obtain position either while the LTE is in RRC Idle mode or power saving mode (PSM), or when the LTE modem is completely deactivated."

    I will start testing based off the gnss sample. Thank you.

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