6
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Mobile Devices
Performance and Cost
Performance and Cost
Pager
• receive only
• tiny displays
• simple text
messages
•two way pagers
Mobile phones
• voice, data
• simple text displays
• simplified WWW
PDA/Smartphone
• graphical displays
• character recognition
• WWW
•Simple versions of
standard applications
Palmtop
• tiny keyboard
• simple versions
of standard applications
Laptop and Tablet PC
• fully functional
• standard applications
Sensors,
embedded
controllers
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Wireless Networks
Wireless Networks
– Wireless Wide Area Networks (WWANs)
• Cellular Networks :
– GSM, cdmaone (IS-95), UMTS, cdma2000 EVDO
• Satellite Networks:
– Iridium, Inmarsat, GPS, etc.
– Wireless Metro Area Networks (WMANs)
• IEEE 802.16 WiMAX
– Wireless Local Area Networks (WLANs)
• IEEE 802.11, a, b, g, etc. (infrastructure, ad hoc)
– Wireless Personal Area Networks (WPANs)
• IEEE 802.15 (Bluetooth), IrDa, Zigbee, sensor,
etc.
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