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LPAWAN (low-power-acknowledge-wide-area-network) is the communication protocol and system architecture for the network over physical radio layer enabling the long-range communication link. The LPAWAN protocol and network architecture directly influence the power independent lifetime of a node, network capacity, quality of service, security, and the variety of applications served by the network.

LPAWAN uses LoRa as the technology that modulates the data into electromagnetic waves. It uses a transmission method called “Chirp Spread Spectrum,” encoding data in frequency-modulated “chirps.” This transmission method has been used in military and space communication for decades.

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