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LAUNCHXL-CC1310: 6LoWPAN mesh topology for long time battery life devices

Javi Jap
Intellectual 400 points
Part Number: LAUNCHXL-CC1310
Other Parts Discussed in Thread: TIDA-010003, TIDA-010024

Hi,

I would like to use a mesh topology for a sensor network. I have successfully tested the TIDA-01547 (Simple 6LoWPAN mesh data collector improves network performance) together with the TIDA-010003 (Simple 6LoWPAN Mesh End-Node Improves Network Performance) reference designs.

That's great, but I have no idea about the power budget required for the mesh topology. In my case each node only needs to transmit in case of alarm, so there shouldn't be any traffic 99% of the time but I don't know if the mesh topology management requires extra transmissions and longer awake periods that increase the consumption drastically. Is it possible to put all nodes into sleep mode and wake up periodically to listen/transmit or does the topology require permanently awake nodes and management transmissions?

I need to know the overall mesh consumption to see if we can achieve 10 years battery life with a 3V 1.5Ah

Thanks!

Javi  

  • 0
    TI__Intellectual 2095 points

    Hi Javi, 

    Thanks for your interest on TI 6LoWPAN mesh designs. We are currently working on a low-power operation mode for battery-operated mesh devices when the devices run as leaf nodes (meaning no router capability and sleep during no TX activity). An example with this operation will be available with TIDA-010024 design software example by end of Feb. You can apply the same change to the TIDA-010003 software example. To run mesh networking (in case when the alarm devices are not reachable to the gateway), you would need a router device that relays the traffic from/to the leaf nodes and updates routes. This device should wake up at all times. 

    Since the leaf nodes sleep during no TX, the power consumption will be very low during most of times but will depend mostly on the active TX/RX required for applications. You can estimate the total power consumption based on the numbers given in the datasheet. 

    Regards,

    Wonsoo