chapter eight wireless lans

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Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Chapter Eight Wireless LANs

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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. - PowerPoint PPT Presentation

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Page 1: Chapter Eight Wireless LANs

Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Chapter Eight

Wireless LANs

Page 2: Chapter Eight Wireless LANs

Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Position of IEEE 802.11 within the

ISO modelFigure 8.1

Page 3: Chapter Eight Wireless LANs

Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Formation of a PLCP frame from a LLC PDUFigure 8.2

Page 4: Chapter Eight Wireless LANs

Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Signals sent from wireless devices to a LAN access point Figure 8.3

Page 5: Chapter Eight Wireless LANs

Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display.

Example of a BSS and an ESSFigure 8.4

Page 6: Chapter Eight Wireless LANs

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Example of an ad hoc wireless LANFigure 8.5

Page 7: Chapter Eight Wireless LANs

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IEEE 802.11 MAC architectureFigure 8.6

Page 8: Chapter Eight Wireless LANs

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Access method for the CSMA/CA protocolFigure 8.7

Page 9: Chapter Eight Wireless LANs

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General IEEE 802.11 frame formatFigure 8.8

Page 10: Chapter Eight Wireless LANs

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Comparison of ISM spectral bands for wireless LANsFigure 8.9

Page 11: Chapter Eight Wireless LANs

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The concept of the spread spectrum methodFigure 8.10

Page 12: Chapter Eight Wireless LANs

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Example of frequency hoppingFigure 8.11

Page 13: Chapter Eight Wireless LANs

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

Page 14: Chapter Eight Wireless LANs

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Concept of a diffused-light infrared wireless LANFigure 8.13

Page 15: Chapter Eight Wireless LANs

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IEEE-802.11 PLCP frame for infrared physical mediaFigure 8.14

Page 16: Chapter Eight Wireless LANs

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IEEE 802.11b frame

structuresFigure 8.15

Page 17: Chapter Eight Wireless LANs

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Multipath phenomenon in a

wireless LANFigure 8.16

Page 18: Chapter Eight Wireless LANs

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OFDM symbols with cyclic extensions at four frequenciesFigure 8.17

Page 19: Chapter Eight Wireless LANs

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Master/slave relationships for Bluetooth networksFigure 8.18

Page 20: Chapter Eight Wireless LANs

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Bluetooth packet format and its access code formatFigure 8.19

Page 21: Chapter Eight Wireless LANs

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Example of a wireless network in a home environmentFigure 8.20