
CSE5501: MOBILE & DISTRIBUTED COMPUTING SYSTEMS
Lecture 3: Wireless LANs
23
IEEE 802.11 Standard
IEEE 802.11 Standard
IEEE 802.11 Standard
•
IEEE 802.11 became a standard in July 1997
• Three technologies defined:
♦
FHSS - 1 Mbps and 2 Mbps
♦ DSSS – 2+ Mbps
♦ Infrared
• 802.11 defines a high-performance radio
• 802.11 promises true vendor interoperability (over the
air)
• Every vendor must have a viable 802.11 product
strategy
♦
802.11 compliant products
♦ Current proprietary products
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