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

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3.3.2.3. Hidden node and CSMA/CA……………………………......……………28 3.3.2.4. Fragmentation………………………………………………………….30 3.3.2.5. Interframe spacing………………………………………………………..30 3.3.2.6. Power saving………………………………..…………………………….31 3.3.2.7. Security…………………………………….……………………………..32 3.4. The next generation standard…………………………………………………………..34 3.4.1. IEEE 802.11n…………………………………………..………………………..34 3.4.2. MIMO (Multiple-Input/Multiple-Output)………………….………………...…35 3.5. Limitation………………………………………………………..……………………..35 CHAPTER FOUR 4. IEEE 802.16, Wireless MAN………………………………………………………...……….37 4.1. The background of IEEE 802.16……………………………………...….………….37 4.2. Capacity of the IEEE 802.16 family………………………………………...…………39 4.2.1. IEEE 802.16………………………………………………………………….….39 4.2.2. IEEE 802.16a………………………………………………………………..…..39 4.2.3. IEEE 802.16c…………………………………………………………..………..39 4.2.4. IEEE 802.16-2004.……………………………………………...…...………….39 4.2.5. IEEE 802.16e-2005…………………………………………………………..….40 4.2.6. IEEE 802.16f, IEEE 802.16g and IEEE 802.16h……………….…………….40 4.3. The Physical Layer and MAC Layer…………………………….......…...……………42 4.3.1. IEEE 802.16-2004……………………………………………….………..…..42 4.3.1.1. Physical Layer…………………………………………….…………....42 4.3.1.1.1. Four transmission mode: SC, SCa, OFDM and OFDMA…………44 4.3.1.1.2. AMC (Adaptive Modulation and Coding)….…………………...44 4.3.1.1.3. Channel-quality Measurement……………………………………..45 4.3.1.1.4. OFDM in WiMax……………………...………….……………….45 4.3.1.2. MAC Layer……………………………………………………….…..…..46 4.3.1.2.1. Three sublayers: CS, CPS and SS…………...…….………………46 4.3.1.2.2. AAS (Advanced Antenna Systems)………………….…...……..47 4.3.1.2.3. QoS……………………………………………………..………….47 4.3.1.2.4. Security…………………………………………………………….49 4.3.1.2.4.1. Overview……………………………………...……………49 4.3.1.2.4.2. Overall Analysis………………….……………...………..52 4.3.2. IEEE 802.16e-2005, the newest standard…………………………………….....53 4.3.2.1. OFDMA-PHY………………………………...………………………..53 4.3.2.1.1. Background…………………..…………………………………….53 4.3.2.1.2. Frame structure…………………….………………………………53 4.3.2.1.3. Various Subcarrier Allocation Modes……………………………..54 4.3.2.2. MAC Layer…………..…………………………………………………..56 4.3.2.2.1. QoS…………………….…………………………………………..56 4.3.2.2.2. Power-saving………….………………………………………...…57 4.3.2.2.2.1. Sleep Mode…………….……………………………………57 4.3.2.2.2.2. Idle Mode……...…………………………………………….58 4.4. The future of WiMax…………………………….……………..……………………58 CHAPTER FIVE iv
5. Case study…………………………………………………………………………………….61 5.1. FSU wireless network………………………………………………………………….61 5.1.1. Introduction………………………………………………………………...……61 5.1.2. Implementation…………….……………………………………………………62 5.1.3. Analysis…………………………………………………………….…………73 5.1.4. Conclusion…………….……………………………………...…………………74 5.2. WiFly in Taipei……………………………..………………………………………….74 5.2.1. Introduction………………………..…………………………………………….74 5.2.2. Implementation………………………………………………………………….75 5.2.3. Analysis…………………………....………………………………………….83 5.2.4. Conclusion……………………….…………………………………………....86 5.3. Wibro in South Korea…………………………….……………………………………86 5.3.1. Introduction…………………………….………………………………………..86 5.3.2. History…………………………………………………………………….…..87 5.3.3. Implementation……………………………………………….......................…..88 5.3.4. Analysis……………………………………………………………………...….92 5.3.5. Conclusion……………………………..…………………….……………….....93 5.4 . Overall analysis………………………...………………………..……………..………94 5.5. Other developing wireless network………...……………………………….……….95 CHAPTER SIX 6. Conclusion…………………………………………………..…………………….………..98 BIBLIOGRAPHY……………………………………...…………………………….………..101 BIOGRAPHICAL SKETCH…………………………………………………………………110 v
Page 1 and 2: THE FLORIDA STATE UNIVERSITY COLLEG
Page 3: TABLE OF CONTENTS List of Tables…
Page 7 and 8: LIST OF FIGURES Figure 2-1 The Evol
Page 9 and 10: LIST OF ABBREVIATIONS Abbreviation
Page 11 and 12: PSS Portable Subscriber Station 89
Page 13 and 14: CHAPTER ONE 1. Introduction The cel
Page 15 and 16: Table 1-1 Cont. 802.3an 2006 10GBAS
Page 17 and 18: 2.1. Introduction CHAPTER TWO 2. 3G
Page 19 and 20: 2.3. Development 3G has been in dev
Page 21 and 22: 2.5. Conclusion WAP (Wireless Appli
Page 23 and 24: IEEE 802.11n is the newest standard
Page 25 and 26: Table 3-3 Cont. 10 2.457 X Y Y Y Y
Page 27 and 28: 3.3.1.2. PLCP and PMD The physical
Page 29 and 30: Noise Codes). The most powerful con
Page 31 and 32: Figure 3-5 CCK Modulation HR-DSSS P
Page 33 and 34: other problem is inter-carrier inte
Page 35 and 36: Tab ble 3-5 OFDDM Modulaation and D
Page 37 and 38: and contains DSSS, CCK, PBCC (Packe
Page 39 and 40: 3.3.2. MAC Layer 3.3.2.1. Introduct
Page 41 and 42: Virtual channel sensing he other me
Page 43 and 44: SIFS (Short InterFrame Spacing) Fig
Page 45 and 46: Figure 3-20 WEP Frame and Operation
Page 47 and 48: 3.4.2. MIMO (Multiple-Input/Multipl
Page 49 and 50: 4.1. The background of IEEE 802.16
Page 51 and 52: The working groups of WiMax Forum a
Page 53 and 54: Table 4-1 Thee Basic Datta of IEEE
Page 55 and 56:
Figure 4-1 The Layer Structure of I
Page 57 and 58:
codes ( (CTC) and low densityy pari
Page 59 and 60:
4.3.1.2.2. AAS (Advanced Antenna Sy
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Best-effort service (BE) This schem
Page 63 and 64:
Encryption Figure 4-4 PKM Protocol
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4.3.2. IEEE 802.16e-2005, the newes
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transmiission, the aadjacent cellls
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the uplink bandwidth periodically f
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Figure 4-7 Coverage and Capacity fo
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CHAPTER FIVE 5. Case study This cha
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increased bandwidth, fixed connecti
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Figure 5-3 Landis Green Figure 5-4
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Table 5-2 Xirrus XS-3700 AP Technol
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• Automatic Tx power selection
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Table 5-4 Cont. 71
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5.1.3. Analysis The FSU wireless ne
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since the January 2006. The populat
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Table 5-5 Parameters of WLAN and Me
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Table 5-6 Features of Nortel Wirele
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• -101 dBm typical @ 1 Mbps Recei
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Operating environment specification
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uilding density, high population de
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epeater r is developping and it wil
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Figure 5-17 WiBro Features The data
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Figure 5-19 U-RAS Premium Figure 5-
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In KT’s recent report, 60% of sub
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Figure 5-21 An Example Application
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Name Parameters Standard Table 5-10
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WiFly used Wi-Fi to cover 60% of th
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BIBLIOGRAPHY [01]. IEEE 802.11 offi
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[37]. Sun, Y.; "Bandwidth-efficient
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[88]. Mineno T.; Babji T.,"Issues a
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[117]. Yun Z.; Yuguang F., "Securit
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Network Operations and Management S
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