local area networks gerd keiser
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“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Local Area Networks
Gerd Keiser
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Chapter Eight
Wireless LANs
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Position of IEEE 802.11 within the ISO modelFigure 8.1
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Formation of a PLCP frame from a LLC PDUFigure 8.2
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Signals sent from wireless devices to a LAN access point Figure 8.3
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Example of a BSS and an ESSFigure 8.4
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Example of an ad hoc wireless LANFigure 8.5
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
IEEE 802.11 MAC architectureFigure 8.6
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Access method for the CSMA/CA protocolFigure 8.7
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
General IEEE 802.11 frame formatFigure 8.8
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Comparison of ISM spectral bands for wireless LANsFigure 8.9
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
The concept of the spread spectrum methodFigure 8.10
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Example of frequency hoppingFigure 8.11
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
11-chip Barker sequences and the XOR function in DSSSFigure 8.12
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Concept of a diffused-light infrared wireless LANFigure 8.13
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
IEEE-802.11 PLCP frame for infrared physical mediaFigure 8.14
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
IEEE 802.11b frame structuresFigure 8.15
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Multipath phenomenon in a wireless LANFigure 8.16
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
OFDM symbols with cyclic extensions at four frequenciesFigure 8.17
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Master/slave relationships for Bluetooth networksFigure 8.18
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Bluetooth packet format and its access code formatFigure 8.19
“Local Area Networks” - Gerd Keiser Copyright © 2003 - The McGraw-Hill Companies srl
Example of a wireless network in a home environmentFigure 8.20
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