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turn off active time and go directly to power save mode

Hi all,

I am currently trying turning off the active time, so that the nrf9160 immediately goes in power save mode after RRC Connected Release.

If I send the command +CPSMS: 1,,,"10101111","11100000" the requested periodic TAU should be 10 minutes and the active time should be deactivated. Am i right?

But the nrf9160 never goes in to power save mode..

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  • Hi Visu,

    When setting the active time I think it is best to set it to "0000000" instead of "1110000" if you want it to be zero. 
    I do not think "1110000" is valid to request but instead is used as a response from the network that the timer is deactivated.

    e.g

    AT+CPSMS=1,"","","10101010","00000000"

    periodic tau= 10min

    active time = 0 second

    Remember that some networks can have a longer RRC Connected release period than others. Which impacts the time from going from RRC Connected to PSM mode.

Reply
  • Hi Visu,

    When setting the active time I think it is best to set it to "0000000" instead of "1110000" if you want it to be zero. 
    I do not think "1110000" is valid to request but instead is used as a response from the network that the timer is deactivated.

    e.g

    AT+CPSMS=1,"","","10101010","00000000"

    periodic tau= 10min

    active time = 0 second

    Remember that some networks can have a longer RRC Connected release period than others. Which impacts the time from going from RRC Connected to PSM mode.

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