LoRa MESH NETWORKS

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LoRa mesh networks are a messaging and data radio technology employing modular LoRa (Long Range) development boards as “nodes” in a communication system which can operate independent of cellular phone systems or the internet. A great deal of interest is developing in this technology as it provides a communication option which would survive a loss of cell service or internet in an outage or emergency. The system leverages the ability of a node to send messages or data that is networked with other similar LoRa devices (thus the term “mesh”) whereby information is relayed from one device to another in a decentralized fashion until it is delivered to the intended recipient. Radio spectrum outside licensed bands is used.

The now popular “Meshtastic” project has emerged as a leading protocol providing a practicable case and a suitable interface for utilizing this technology. Users can pair their node using Wi-Fi or Bluetooth with a single cell phone or similar device running Meshtastic enabling them to exchange messages and data over distances through this peer-to-peer (p2p) rebroadcasting.

Areas without developed communication infrastructure (or areas experiencing a loss or outage of such infrastructure) can use this technology to achieve off-grid message and data exchange. Whereas a cellular network is centralized and relies on a central server, a mesh network as described here is decentralized allowing it to avoid outages or trouble due to the failure of a single point in a system.

Use cases are numerous, but notable ones are disaster relief, remote monitoring, outdoor recreation, and industrial automation.

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