January 2018
Intermediate to advanced
524 pages
13h 33m
English
Content preview from Internet of Things for Architects
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Thread architecture and topology
Based on the IEEE 802.15.4-2006 standard, Thread uses the specification to define the Medium Access Controller (MAC) and physical (PHY) layers. It operates at 250 Kbps in the 2.4 GHz band.
From a topology point of view, Thread establishes communications with other devices through a border router (usually a Wi-Fi signal in a household). The rest of the communication is based on 802.15.4 and forms a self-healing mesh. An example of such a topology is shown as follows:
Example Thread network topology containing border routers, Thread routers, lead devices, and eligible IoT devices that can combine in the mesh. ...
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