[Battlemesh] mesh protocol for lora

[Yeoh Chun-Yeow]

> I did some experiements yesterday and it turns out that the lora-modules
> I use (e32-ttl-100) do *not* do carrier-sensing. When you hand them a
> message to transmit, they simply start transmitting without checking if
> the channel is free or not.

The LoRa module for ISM band in Europe is based on duty cycle
limitation and not LBT. Thus, no carrier sensing as far as I know.

Extending the LoRaWAN MAC to support mesh may be a way forward.

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Chun-Yeow