Siemens IEEE802.11 Manual do Utilizador descarregar pdf (Página 13)

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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