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Internet of Things for Architects

You're reading from  Internet of Things for Architects

Product type Book
Published in Jan 2018
Publisher Packt
ISBN-13 9781788470599
Pages 524 pages
Edition 1st Edition
Languages
Author (1):
Perry Lea Perry Lea
Profile icon Perry Lea
Toc

Table of Contents (18) Chapters close

Title Page
Packt Upsell
Contributors
Preface
1. The IoT Story 2. IoT Architecture and Core IoT Modules 3. Sensors, Endpoints, and Power Systems 4. Communications and Information Theory 5. Non-IP Based WPAN 6. IP-Based WPAN and WLAN 7. Long-Range Communication Systems and Protocols (WAN) 8. Routers and Gateways 9. IoT Edge to Cloud Protocols 10. Cloud and Fog Topologies 11. Data Analytics and Machine Learning in the Cloud and in the Fog 12. IoT Security 13. Consortiums and Communities 1. Other Books You May Enjoy

IEEE 802.11 protocols and WLAN


One of the first adopters of the ISM bands that the FCC freed for unlicensed use was the IEEE 802.11 technology. The IEEE 802.11 is a suite of protocols with a rich history and different use cases. 802.11 is the specification defining the Media Access Controller (MAC) and physical layer (PHY) of a networking stack. The definition and specifications are governed by the IEEE LAN/MAN Standards Committee. Wi-Fi is the definition of WLAN based on the IEEE802.11 standards but maintained and governed by the non-profit Wi-Fi Alliance. 

802.11 owes its creation to NCR in 1991 who first developed the wireless protocol as a means of networking cash registers. It wasn't until 1999 when the Wi-Fi Alliance was formed that the technology became ubiquitous and pervasive in the burgeoning PC and notebook market. The original protocol is vastly different than modern 802.11 b/g/n/ac protocols. It only supported a 2 Mbps data rate with forward error correction.

The success of IEEE802...

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