Reverse Engineering LoRa PHY

A lot of work has been done lately towards Open-Sourcing the LoRa PHY protocol. In terms of radio modulation LoRa uses a proprietary technique patented by Semtech based upon a form of Spread Spectrum (SS) actually called Chirp Spread Spectrum (CSS). Investigating the signal with a SDR dongle while using Audacity to analyze the waveform Read more about Reverse Engineering LoRa PHY[…]