October 2009
Intermediate to advanced
288 pages
5h 58m
English
Content preview from ZigBee Wireless Sensor and Control Network
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Chapter 9. Address Assignment and Routing
Introduction
The function of the network layer is to assign a 16-bit address to each device joining the network and to route packets to their destination. ZigBee PRO uses a stochastic (nondeterministic) scheme to assign the address of each device in a network, whereas a network conforming to a tree topology uses a distributed scheme (Cskip) to assign a 16-bit address to each device.
9.1 Address Assignment Using Distributed Scheme
When a device joins a network, it receives an address. This 16-bit address is assigned to the device by a router or coordinator and is unique within the current network. If the new device joining a network is a router, the coordinator assigns an address to it; otherwise, if ...
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