IEEE802.11 Protocol Architecture
νStation Management
–interacts with both MAC Management and PHY Management
νMAC Layer Management Entity
–power management
–handover
– MAC MIB | MAC |
νMAC Entity
– basic access mechanism
– fragmentation | PHY |
–encryption
νPHY Layer Management
–channel tuning
LLC = 802.2 |
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MAC | MAC Layer |
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Management |
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Sublayer |
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PLCP Sublayer | PHY Layer | Station |
| Management | Management |
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PMD Sublayer |
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–PHY MIB
νPhysical Layer Convergence Protocol (PLCP)
–
–provides Clear Channel Assessment signal (carrier sense)
νPhysical Medium Dependent Sublayer (PMD)
–modulation and encoding
Page 16 | © Siemens, 2002 | |
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