WLAN Media Access Control

• CSMA/CA - Carrier-Sense-Multiple-Access with Collision Avoidence

• frames

  • data frames
  • control frames (RTS,- CTS-, ACK-frames)
  • management frames (beacon frames)

• frame format

  • Praeambel: - 80 bit synchronization sequence
    - 16 bit start-delimeter-frame
    
  • PLCP-header: - contains information about encryption on physical layer,
    packet length

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