Wireless networks
Networks are designed according to the number of users and coverage area.
In wireless networks there are several scales on number of users and coverage area.
Personal: PANs → Bluetooth
Local: LANs → IEEE 802.11
Regional: WANs → GSM, UMTS
Worldwide : Sattelite → Iridium
Types of Wireless networks
Comparison Between Wireless Technologies
Wireless Technologies (@~2000)
Standardization
Wireless networks are standardized by IEEE.
Under 802 LAN MAN standards committee.
Frequency Bands
Industrial, Scientific, and Medical (ISM) bands.
Unlicensed, 22 MHz channel bandwidth
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