A comparison of wi-fi and wimax with case studies - Florida State ...

LIST OF FIGURES
Figure 2-1 The Evolution of 3G………………………………...………...…………..7
Figure 3-1 OSI Model………………………………………..…………..…………..14
Figure 3-2 802.11 PLCP, PMD and MAC Structure…………..………………..……15
Figure 3-3 DSSS Transmission………………………………..…………………...…16
Figure 3-4 DSSS PLCP………………………………………..………………..……18
Figure 3-5 CCK Modulation…………………………………..……………………..19
Figure 3-6 HR/DSSS PLCP Framing…………………………..…………………….19
Figure 3-7 FDM and OFDM…………………………………..……………………..20
Figure 3-8 CP and PP………………………………………..…….…………………21
Figure 3-9 OFDM Modem……………………………………..….…………………22
Figure 3-10 Constellations Diagram…………………………..……………………..23
Figure 3-11 OFDM PLCP Structure………………………….………………………24
Figure 3-12 DSSS-OFDM PSDU Format………………………..…..………………26
Figure 3-13 DSSS-OFDM Long Preamble Structure……………..…………………..26
Figure 3-14 DSSS-OFDM Short Preamble Structure……………………..…………..27
Figure 3-15 The Hidden Node Problem………………………..………...……………28
Figure 3-16 CDMA/CA………………………………………..…………….………29
Figure 3-17 Virtual Channel Sensing…………………………..……………………..29
Figure 3-18 A Fragment Burst…………………………………..…………………....30
Figure 3-19 Frame Interval for IEEE 802.11…………...………..…………………..31
Figure 3-20 WEP Frame and Operation…………………………..…………………..33
Figure 3-21 The WEP Encryption Process………………………….………………..33
Figure 4-1 The Layer Structure of IEEE802.16……………………..………...………43
Figure 4-2 A Spatial Multiplexing MIMO System…………………....………………44
Figure 4-3 PKM Authorization Process and Parameters………………..…………….50
Figure 4-4 PKM Protocol Messages Exchange Process and Parameters…….....……………..51
Figure 4-5 Encryption Frame Structure and Process……………………..…….……..52
Figure 4-6 OFDMA Frame Structure……………………………………..…………..54
Figure 4-7 Coverage and Capacity for Different Wireless Access Techniques…..….....59
Figure 5-1 The Coverage of FSU Wireless Network………….…..……………………….62
Figure 5-2 Fisher Lecture Hall………………………..………..…………………….64
Figure 5-3 Landis Green………………………………………..…..………………..65
Figure 5-4 Shores Library……………………………………..………………….….65
Figure 5-5 Stadium……………………………………………..……………………66
Figure 5-6 Xirrus XS-3700 AP…………………………………………………………..67
Figure 5-7 Foundry Networks IP250……..………………………..………...…………..69
Figure 5-8 Vivato 2.4 GHz Indoor & Outdoor Wi-Fi Switches………..……………..72
Figure 5-9 FSUWIN Login System……………………………………..…………….74
Figure 5-10 Wireless Mesh Network Structure I……………...………..…………….76
Figure 5-11 Wireless Mesh Network Structure II………………….…..…………….76
Figure 5-12 Wireless Access Point 7220………………………………..….………..77
Figure 5-13 Nortel Wireless Mesh Network Solution Example…………..…………..80
Figure 5-14 The Relationship Between WiMax and WiBro……...……..……………..87
Figure 5-15 The Network Structure of WiBro……………………..……..……………87
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