Low-power networks in the making – Lora: the ultimate tweakers network?

Mar

1

2016

The internet-of-things: marketing departments hit with it for several years the public to the ears and stick anywhere the word “smart” or a sticker with ‘Internet of Things’ on. The heck is overrated or just a chance for the near future? And above all: what is it really?

According to the most common definition, there is a iot of devices with embedded systems, such as everyday objects, but also attached to “things” in cities such as traffic sensors, soil or water pollution sensors and so only while. A smartphone, laptop or PC is for instance not covered.

People think when iot often certain techniques, but it actually consists of three levels, personal area networks, such as Bluetooth and infrared, the local networks, including WiFi, and wide area networks, known cellular networks . The latter category has a new type of network got there, that sensor networks. The IOT does not consist of any of these networks, but from a combination thereof. Think of Bluetooth low power coupled with wifi to eventually arrive at a server.

Internet of things The internet-of-things, of ‘smart home’ to ‘smart city’ and everything beyond. Source: Wikimedia

In this story we focus on networks that can support a part of the iot which until recently were actually hardly good opportunities. This type of network can be classified as low-power wide area network or lpwan. In that respect it is actually better to talk about a smart sensor network, because it is in almost all cases to measure a certain value and send it to the network.

Also can be controlled actuators, such as when on or off from a remote device. All of these things have not so much to a fast Wi-Fi or an energy guzzling 4g connection. These devices requires a stable, reliable and low-cost approach, which opens a whole new world. It enables data logging possible by tracking all kinds of data streams generated by many different sensors, as well as serving simple, but often in inaccessible places incumbent switches. Later there may still location tracking at.

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