Dynamic CAD sensitivity#2916
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Probe every 4 seconds to measure actual channel activity. If channel seems busy we adjust CAD to be less sensitive. If channel seems empty maximum CAD sensitivity.
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@weebl2000 : I tested in my setup with 5 weakly connected nodes, 50 direct messages in 10s intervals, interference by a LoRa node sending local adverts every 6 seconds and a successful delivery counted if the last node ACKs. Looks good: the problems I saw with 7c8e092 disappeared. My results:
Attached you can find the monitoring logs. dev-50-wo-cad.txt |
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I wonder why using dynamic CAD together with repeated sending #2670 decreases deliverability significantly. Resending happens relatively often, but following nodes seem not to react. May the CAD analysis create too much deafness? I wonder why I didn't see this effect when running the same test without the sending repetition. |
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Probe every 4 seconds to measure actual channel activity. If channel seems busy we adjust CAD to be less sensitive. If channel seems empty maximum CAD sensitivity.
Build here: https://mcimages.weebl.me/?commitId=dynamic-cad
Based on conversation in #1727 - this should make a busier node be less senitive to preambles. Tagging @recrof and @syssi would be interesting to see how this changes behavior.
You can use get cad and it will show stats for actual preambles detected during idle periods.