Chapter 5. Applications and Technologies

In Chapter 4, Rackley provided an introduction to radio communication basics, showing at a high level how a wide range of WLAN and cellular protocols are implemented. In this chapter Alan Bensky takes it the next step, doing a detailed drill-down on Wi-Fi, Bluetooth, Zigbee and UWB.Keeping up with these protocols hasn’t been easy; they’ve all taken a long time to come to market, and they’ve evolved considerably in the process. Wi-Fi is the granddaddy of all wireless networking protocols, dating from the original 802.11 spec in 1997. Since then it’s developed variants a/b/g/n/y, with different modulation and access protocols.Bluetooth took a number of twists and turns over the decade it took to come to ...

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