Bluetooth
Bluetooth
Bluetooth
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WPAN (Wireless Personal Area<br />
Network)<br />
• Provide infrastructure to interconnect a variety of home<br />
appliances<br />
• Enable them to access Internet through a central home<br />
gateway<br />
• WPAN is a short-distance short distance (10m or 20m) wireless<br />
network, specially designed to support portable and<br />
mobile computing devices<br />
– Many cell phones already support 2 radio interfaces (cellular<br />
network + WPAN network)<br />
• Protocol<br />
– 802.15.3: streaming video signals up to 2 or 3 Gbps<br />
– <strong>Bluetooth</strong>: enough bandwidth and convenience up to 2-3 2 3 Mbps<br />
– ZigBee (802.15.4): lower data rate �� lowest cost, longer battery<br />
life<br />
Nguyen Tuan Nam/WNC 2010 2
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