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Part 4: medium access control – Siemens IEEE802.11 User Manual

Page 30

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WLAN-IEEE802.11 Tutorial (Maximilian Riegel), 021018-wlan-tutorial.ppt

Page 30

© Siemens, 2002

Part 4: Medium Access Control

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Basic Access Protocol Features

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CSMA/CA Explained

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CSMA/CA + ACK protocol

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Distributed Coordination Function (DCF)

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„Hidden Node“ Provisions

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IEEE802.11e: MAC Enhancements for Quality of Service (EDCF)

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Point Coordination Function (PCF)

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IEEE802.11e: MAC Enhancements for Quality of Service (HCF)

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Frame Formats

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Address Field Description

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Summary: MAC Protocol Features