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STM32WL55 Mesh Network – How to Avoid Collision in Multi-Hop Communication?

sram.1
Associate II

Hi,

I am using the STM32WL55JC1 Development Kit. My project includes:

- Many transmitters read temperature every 15 minutes and broadcast data.
- Repeaters that forward the data to the gateway using a mesh topology.

I want to avoid data collision and achieve at least 99% reliability.


I tried the LoRa ping-pong example, and it works for a single hop. But I need a mesh system without collision.

Can you please suggest:
1. Best wireless technology (LoRa, FSK, etc.)
2. Firmware libraries or examples for a mesh network
3. Hardware recommendations (boards or antennas)

 

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