Wireless Communication - Zigbee, Bluetooth - IIIT
Wireless Communication - Zigbee, Bluetooth - IIIT
Wireless Communication - Zigbee, Bluetooth - IIIT
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<strong>Zigbee</strong> Operation - III<br />
Message propagation:<br />
Message contains two destination addresses - Address of final<br />
destination, Address of next hop node<br />
Are any of these obvious for any network topology?<br />
Route discovery mechanism<br />
Route discovery broadcast is sent by parent router of source end<br />
device - Contains the network address of destination end device<br />
All routers receive the broadcast<br />
Parent router of destination end device replies back to parent router of<br />
source end device<br />
As the reply traverses back, the hop count and signal quality measure<br />
for each hop are recorded - Each router in the path can build a routing<br />
table containing best path to destination end device<br />
Eventually each router in the path will have entry in the routing table
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