XBee3 delay receiving data when destination address is 0x00....FFFF (broadcast)

XBee & XBee Gateway XBee - Zigbee
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1

Hi,

Been testing a couple of Xbee 3’s that we’d like to use and I’ve noticed a problem with broadcast mode when in transparent mode. I’ll outline the setup below:

  • latest firmware on both units
  • xbee1: set to controller
    PAN id = 12345
    DH = 0x00000000
    DL = 0x0000FFFF
  • xbee2: set to router
    PAN ID = 12345

Test setup:

  • xbee1 packet content: 1234567890
  • transmit internal: 1000ms
  • repeat times: 20
  • start sequence

What happens:

  • xbee1 sends a packet every 1s
  • xbee2 initially receives the first 4-5 packets
  • then it “stops” receiving packets for 5-10 seconds
  • it then receives a couple of packets and then stops receiving for 5-10 seconds
  • repeat above two steps until all the data is received

This is much more evident when the interval is dropped to 100ms or less. This doesn’t occur if DH = SH and DL = SL of the router.

Is there a setting that I overlooked?

Thanks

2

Hi , I am also facing the same delay issue with my xbee sx868 modules, did u solve it.

3

On any mesh network, there are required delays needed to allow for a broadcast packet to be forwarded on. You can help adjust this by setting the BH and NH values to the size of the network. But you are still going to have delays in the seconds between each broadcast sent.

I want you to understand. This is what you can expect from any Mesh network to some extent. It is just the nature of the beast.