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Introduction to LoRaWAN

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Every day, we used advanced wireless technologies such as WIFI , Bluetooth or 4g networking. These technologies allow us to transmit large quantities of data between our devices in very little time and have become so good that we often don’t stop to think if there exist other ways to transmit data wirelessly. However, for some class of problems, using the aforementioned technologies is not ideal. As an example, if we wish to create a network of small battery-powered sensors, Bluetooth puts a big limit on the range, WIFI consumes too much power while only improving range slightly, and cellular requires expensive subscriptions and nearby cell-towers. A better solution for this problem is using a Low Power Wide Access Network (LPWAN), which offers greater coverage and lower power usage, at the expense of bandwidth. In this talk, I will discuss LoRaWAN, which is an example of a real-world LPWAN , and the modulation technology LoRa of which it is based on.

This talk is part of the Churchill CompSci Talks series.

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