Wireless LAN (2)
OSI Data Link layer:
- DFWMAC - Distributed Foundation Wireless Media Access Control
- access method: CSMA/CA - Carrier Sense Multiple Access with Collision Avoidance (no ability to detect collisions)
typical parameters:
- data rates: 2 Mbps, 10 Mbps
- distance: up to 3 miles; up to 10 miles with amplifiers;
- up to 30 miles - point-to-point without obstacles (mountains, hills)
topologies: point-to-point, point-to-mulitipoint