To understand how a low-power wireless network works, we need to understand further about how a network is formed and how the communication protocols can work in a standardized way based on the OSI model. The protocol stacks and some generic protocols will be introduced to show their uses in real-world networks.
- [Instructor] Based on the data communication capability…over a communication link, we can make the…data communication happen over a communication path…consisting of multiple links in a wireless network.…This example shows the wireless network consisting…of multiple nodes where any two nodes can communicate…with each other through the communication path.…Though nodes, often equipped with sensors or actuators,…are sometimes called wireless sensor nodes, or motes.…
For example, a wireless thermostat…reporting the room temperature readings…can be considered as a wireless sensor node.…We've talked about the protocols as a component…in the communication system before.…It plays a key role in the wireless network.…Let's explain it based on a simple…hello message transmission application here.…If node one wants to send hello message…to node six, node one and node six…need to encode message to the signals…and a decode in the same way following…a communication protocol because we're transmitting…the message through a communication path in a network.…
Author
Ryan Hu
Released
4/19/2017Ryan Hu begins by introducing wireless networking for IoT, and going over the basics of wireless communication and wireless networking. Next, he presents and compares the underlying wireless networking technologies in terms of system architectures, communication paradigms, performance, and use cases. Then, he explains how to integrate various networking technologies into an IoT system. To wrap up, Ryan discusses the use of low-power wireless networking in a typical lighting control system for both smart home and smart city environments.
- Low-power wireless networking use cases
- Advantages and disadvantages of wireless networking for IoT applications
- Wireless: Communication, networking, topologies, and architectures
- Determining the power consumption on a wireless network for IoT
- Identifying security risks
- Addressing risks in the key architectural elements
- Reviewing low-power IoT data communication paradigms
Skill Level Intermediate
Duration
Views
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Introduction
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Welcome1m 41s
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1. Overview of Wireless Networking for IoT
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2. Low-Power IoT Wireless Network Basics and Architectures
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Wireless networking basics7m 23s
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IoT network security8m 3s
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3. Low-Power IoT Data Communication Paradigms
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Performance measurement4m 28s
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4. Energy-Harvesting-Based Wireless Networking Technologies
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Install EnOcean DolphinView1m 50s
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5. Low-Power Wireless Personal-Area Networking Technologies
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6. Low-Power Wide-Area Networking Technologies
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7. Integrating Wireless Networking Technologies into an IoT System
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8. Case Studies
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Conclusion
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Next steps1m 8s
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Video: Wireless networking basics