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Wireless Networks first-step by Jim Geier

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Wireless LAN Technologies

802.11 and HiperLAN/2 are the most common standards for wireless LANs. Examine each of these standards.

802.11

The IEEE 802.11 standard specifies a common medium access control (MAC) and several physical layers for wireless LANs. The initial 802.11 standard became available in 1997, but wireless LANs didn't begin to proliferate on a large scale until 2001, when prices fell dramatically. The IEEE 802.11 working group actively continues to enhance the standard to improve the performance and security of wireless LANs.

note

The 802.11 standard specifies use of an infrared light physical layer; however, no products on the market ...

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