LoRa server unpredictable behavior

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  • June 28, 2016 at 3:33 am #13644
    Quentin
    Participant

    Hello,

    I am trying to play around with different LoRa sensors and the Conduit but everything has been very painful up to this point. I have updated everything I could and I have opened multiple tickets with the support but I am still constantly running into the same problem.

    The LoRa network of the Conduit is extremely unstable. I can sometimes make a sensor or the MTDotBox works by setting up it’s the corresponding AppEui/AppKey on the Conduit each time I switch sensor, and sometimes nothing works and no sensor can join the network and/or send packet to the Conduit.

    It seems to be a matter of luck as I have been unable to track down what is causing the LoRa network to work or not.

    Is anyone having a similar experience as mine? And more important has anyone been able to use LoRa reliably with the Conduit?

    Any help would be much appreciated!

    June 28, 2016 at 6:16 am #13645
    Andrew Lindsay
    Participant

    Hi,

    What sort of nodes are you using?

    What is the distance between node and conduit?

    What type of antenna are you using?

    What spreading factors are you using?

    Thanks

    Andrew

    June 28, 2016 at 7:32 am #13648
    Quentin
    Participant

    Hello,

    Here is the nodes I have used so far :
    –Adeunis LORAWAN PULSE
    –Atim LoRaBee
    -MTDotBox

    The distance between the nodes and the conduit is less than 5 meters.

    I am using the antenna which was provided with each devices.

    On the Conduit the highest spreading factor is used.

    Thanks,
    Quentin

    June 28, 2016 at 8:05 am #13649
    Jason Reiss
    Keymaster

    Do you think the issue is packets not being received by the gateway or the gateway being unable to respond to the packet?

    The gateway must adhere to the same time-on-air restrictions as and end device if you are using EU868. Perhaps this is what seems to be inconsistent.

    June 28, 2016 at 9:06 am #13650
    Quentin
    Participant

    I do not know in witch way the packets are unable to go.

    You remark on the time-on-air restrictions is interesting, I will check if this is the issue.

    Thank you for your help.

    June 29, 2016 at 8:43 am #13671
    Andrew Lindsay
    Participant

    Try increasing the distance between nodes and gateway, the receiver in the conduit could be getting swamped by the signals.

    time between transmissions is also another point. If the devices are CE/FCC/LoRa Alliance certified then they should be conforming to time on air restrictions for you.

    I know the mDot does this in the 868MHz band.

    Andrew

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