Siemens IEEE802.11 Manual de usuario Pagina 13

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WLAN-IEEE802.11 Tutorial (Maximilian Riegel), 021018-wlan-tutorial.ppt Page 13 © Siemens, 2002
Wireless IEEE802.11 Standard
n Operation in the 2.4GHz ISM band
North America: FCC part 15.247-15.249
Europe: ETS 300 - 328
Japan: RCR - STD-33A
n Supports three PHY layer types:
DSSS, FHSS, Infrared
n MAC layer common to all 3 PHY layers
n Robust against interference
n Provides reliable, efficient wireless data
networking
n Supports peer-to-peer and
infrastructure configurations
n High data rate extension IEEE802.11b
with 11 Mbps using existing MAC layer
Approved June 1997
802.11b approved September 1999
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