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Chapter Eight Wireless LANs

Chapter Eight Wireless LANs. Position of IEEE 802.11 within the ISO model Figure 8.1. Formation of a PLCP frame from a LLC PDU Figure 8.2. Signals sent from wireless devices to a LAN access point Figure 8.3. Example of a BSS and an ESS Figure 8.4. Example of an ad hoc wireless LAN Figure 8.5.

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Chapter Eight Wireless LANs

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  1. Chapter Eight Wireless LANs

  2. Position of IEEE 802.11 within the ISO modelFigure 8.1

  3. Formation of a PLCP frame from a LLC PDUFigure 8.2

  4. Signals sent from wireless devices to a LAN access pointFigure 8.3

  5. Example of a BSS and an ESSFigure 8.4

  6. Example of an ad hoc wireless LANFigure 8.5

  7. IEEE 802.11 MAC architectureFigure 8.6

  8. Access method for the CSMA/CA protocolFigure 8.7

  9. General IEEE 802.11 frame formatFigure 8.8

  10. Comparison of ISM spectral bands for wireless LANsFigure 8.9

  11. The concept of the spread spectrum methodFigure 8.10

  12. Example of frequency hoppingFigure 8.11

  13. 11-chip Barker sequences and the XOR function in DSSSFigure 8.12

  14. Concept of a diffused-light infrared wireless LANFigure 8.13

  15. IEEE-802.11 PLCP frame for infrared physical mediaFigure 8.14

  16. IEEE 802.11b frame structuresFigure 8.15

  17. Multipath phenomenon in a wireless LANFigure 8.16

  18. OFDM symbols with cyclic extensions at four frequenciesFigure 8.17

  19. Master/slave relationships for Bluetooth networksFigure 8.18

  20. Bluetooth packet format and its access code formatFigure 8.19

  21. Example of a wireless network in a home environmentFigure 8.20

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