WLAN概述

WLAN概述

Physical Layer

Functions:
 
Encoding/decoding of signals (PSK, QAM, etc)
 Preamble generation/removal (for synchronization)
 Bit transimission/reception

Sublayers
:
 Pysical Layer Convergence Procedure ( PLCP)
 Physical Medium Dependent ( PMD) sublayer

PLCP
 map the MAC frame onto the medium, straddle between MAC and PHY, add a number of fields to the frame as it's transmitted into the air
PMD
 transimit the frame


[References]
[Gast 2005]
[Stalling 2004]

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