Book Image

IoT and Edge Computing for Architects - Second Edition

By : Perry Lea
Book Image

IoT and Edge Computing for Architects - Second Edition

By: Perry Lea

Overview of this book

Industries are embracing IoT technologies to improve operational expenses, product life, and people's well-being. An architectural guide is needed if you want to traverse the spectrum of technologies needed to build a successful IoT system, whether that's a single device or millions of IoT devices. IoT and Edge Computing for Architects, Second Edition encompasses the entire spectrum of IoT solutions, from IoT sensors to the cloud. It examines modern sensor systems, focusing on their power and functionality. It also looks at communication theory, paying close attention to near-range PAN, including the new Bluetooth® 5.0 specification and mesh networks. Then, the book explores IP-based communication in LAN and WAN, including 802.11ah, 5G LTE cellular, Sigfox, and LoRaWAN. It also explains edge computing, routing and gateways, and their role in fog computing, as well as the messaging protocols of MQTT 5.0 and CoAP. With the data now in internet form, you'll get an understanding of cloud and fog architectures, including the OpenFog standards. The book wraps up the analytics portion with the application of statistical analysis, complex event processing, and deep learning models. The book then concludes by providing a holistic view of IoT security, cryptography, and shell security in addition to software-defined perimeters and blockchains.
Table of Contents (17 chapters)
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Sigfox is a narrowband LPWAN (like NB-IoT) protocol developed in 2009 in Toulouse, France. The founding company goes by the same name. This is another LPWAN technology using the unlicensed ISM bands for a proprietary protocol. Sigfox has some traits that significantly narrow its utility:

  • Up to 140 messages per device daily on uplink (duty cycle of 1%, 6 messages/hour).
  • A payload size of 12 bytes for each message (uplink) and 8 bytes (downlink). A throughput of up to 100 bps uplink and 600 bps downlink.

Originally, Sigfox was unidirectional and intended as a pure sensor network. That implies that only communication from the sensor uplink was supported. Since then a downlink channel has become available.

Sigfox is a patented and closed technology. While their hardware is open, however, the network is not and requires a subscription. Sigfox hardware partners include Atmel, TI, Silicon Labs, and others.

Sigfox builds and operates its network infrastructure...