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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