What is LoRa and LoRaWAN
“What is LoRa?”
Whenever someone asks this question, it’s hard to know exactly how to answer without knowing why they’re asking. That’s because LoRa can refer to more than one thing: Technically, it is a radio modulation scheme—a way of manipulating a radio wave to encode information using a chirped, multi-symbol format. LoRa also refers to the systems that support the modulation, including LoRa chips and gateways. Sometimes it refers to the LoRa communication network for IoT applications. LoRa, essentially, is a clever way to get very good receiver sensitivity and low bit error rate (BER) from inexpensive chips. That means low-data rate applications can get much longer range using LoRa rather than using other comparably priced radio technologies.
Sometimes people also say LoRa when they mean LoRaWAN. But LoRaWAN is different. It is a media access control (MAC)-layer protocol built on top of LoRa, built using Semtech’s LoRa modulation scheme.
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