
CSE5501: MOBILE & DISTRIBUTED COMPUTING SYSTEMS
Lecture 3: Wireless LANs
20
802.11 Protocol Layers
802.11 Protocol Layers
802.11 Protocol Layers
AP96358 3
AP96358 3
-
-
10
10
MAC
MAC
-
-
PHY
PHY
Sublayers
Sublayers
Media Access Control Layer
Media Access Control Layer
PROTOCOL AND PHYSICAL LAYER
PROTOCOL AND PHYSICAL LAYER
MANAGEMENT
MANAGEMENT
MAC
MAC
-
-
PHY
PHY
Sublayers
Sublayers
CONFIGURE DATA FRAMES AND PREAMBLES
CONFIGURE DATA FRAMES AND PREAMBLES
FOR TRANSMIT AND RECEIVE MODE
FOR TRANSMIT AND RECEIVE MODE
Physical Layer
Physical Layer
RADIO TRANSMISSION MEDIA FOR EITHER
RADIO TRANSMISSION MEDIA FOR EITHER
DSSS, FHSS OR INFRARED
DSSS, FHSS OR INFRARED
MAC
MAC
-
-
Layer
Layer
PHY
PHY
-
-
Layer
Layer
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