WiMax Operator's Manual

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■D dark fiber, features of, 75–76 data mining, performing with OSS, 182 data stream, analyzing, 91 deep memory waveform generator, using with adaptive array antennas, 89 DEMS (Digital Electronic Message Service) licensed spectrum, significance of, 46 DHCP (Dynamic Host Control Protocol), overview of, 132 diagnostic software, features of, 191 diffraction, relationship to NLOS and wave propagation, 115 DiffServ protocol, supporting IP QoS with, 167 directional antennas, features of, 28–29 directivity polar plots, using with antennas, 109 diversity antenna systems relationship to multipath distortion, 36 using with OFDM, 118 DLCs (digital loop carriers) relationship to DSL, 17 relationship to T1 and SONET, 59 terminating copper-pair phone lines at, 148–149 DLS lines, terminating, 149 DoS (denial-of-service) attacks, characteristics of, 192–193 DSL installation requirements for, 25 overview of, 16–18 DSL aggregation nodes, capacity of, 25–26 DWDM (dense wave division multiplexing), use of, 40 ■E E band, use for high-speed data transmissions, 39, 40 E1/T1 circuit-based service, significance of, 3–4 edge routers considering for central offices, 67 features of, 51, 133 ■INDEX EDX network mapping software tool, benefits of, 105–106 EHF (extremely high frequency) region explanation of, 39–40 versus FSO (free-space optics), 40 electrical systems, security of, 188–189 encryption software, features of, 191 enterprise networks, interfacing with, 127–128 enterprise users, internal networks for, 124–128 enterprise versus carrier grade equipment, 63–64 entertainment services, use of, 56–57 equipment field testing, 93 mounting in central offices, 69 selecting, 92–94 error rate, relationship to QoS, 163 Ethernet switches placing in central offices, 135–137 using in VPNs, 160 Ethernet versus IP, 60 extranets, VPNs as, 158 ■F fade margin, relationship to link budgets, 91 fast packet connections, relationship to VPNs, 159 FCIP tunneling protocol, relationship to storage services, 174 FFTs (Fourier transforms), relationship to OFDM, 117 fiber versus airlink, 21 installation requirements for, 25 fiber rings, characteristics of, 149 fiber-optic backhaul, considering in central offices, 73–74 figures directional antenna directivity polar plot, 109 199
200 ■INDEX figures (continued) edge routers, 67 Ethernet switch in wireless network, 136 frequency versus atmospheric attenuation characteristics, 38 frequency versus reuse in cellular architecture, 104 hybrid fiber coax network, 19 MDU installation, 124 mesh architecture, 82 multipath reflections, 114 passive optical network, 74 point-to-consecutive point networks, 81 point-to-multipoint network, 80 polarization states, 111 relay network, 16 router in wireless network, 133 voice-over IP, 139 wireless public network, 141 financial officers, planning for, 96 firewalls considering in central offices, 146 maintenance and administration of, 157 and proxy servers, 191 First Avenue Web site, 47 flooding attacks, characteristics of, 192–193 flow-based protocol, RSVP as, 166–167 foliage, impact on signal transmission, 36 FPGAs (field programmable gate arrays), use with software-defined radios, 49 FRADs (frame relay access devices) accessing, 15–16 considering for central offices, 141 frame relay versus DSL, 17 overview of, 15–16 frame relay-switching equipment, considering in central offices, 140–141 free-space optics for backhaul, overview of, 76, 78 frequencies agility of, 49 for backhaul, 77 of lower microwave, 34–35 lower microwave, 47–48 of radio transmissions, 34–35 for wireless broadband, 35 frequency hopping, managing interference with, 90 frequency modulation versus phase shift keying, 122 frequency reuse and cell splitting, 111–112 in cellular architecture, 104 and polarization diversity, 110–111 relationship to line of sight and non–line of sight, 112–121 role of repeaters in, 108–109 role of sectorization in, 109–110 frequency-agile radios description of, 49 and network mapping, 122 Fresnel zones, computing, 88–89 FSO (free-space optics), overview of, 40–41 ■G global addresses, significance of, 132 godbox, description of, 67–68 grid computing, potential of, 61 growth patterns, projecting relative to cell mapping, 106–107 GSM (Global System for Mobile Communications), relationship to HSDPA, 2 ■H H.323 standard, use with VoIP, 173 hackers, motives of, 190 “handoffs,” role in point-to-multipoint networks, 103
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WiMax Operator’s Manual Building
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This book is dedicated to my wife.
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Contents About the Author . . . . .
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■CONTENTS ix Performing Site Surv
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■CONTENTS xi Cyberwarfare . . . .
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About the Technical Reviewer ■ROB
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Introduction Broadband wireless has
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CHAPTER 1 ■ ■ ■ Wireless Broa
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CHAPTER 1 ■ WIRELESS BROADBAND AN
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14 CHAPTER 2 ■ ARCHITECTING THE N
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34 CHAPTER 3 ■ STRATEGIC PLANNING
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64 CHAPTER 4 ■ SETTING UP PHYSICA
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100 CHAPTER 4 ■ SETTING UP PHYSIC
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102 CHAPTER 5 ■ STRATEGIES FOR SU
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CHAPTER 6 ■ ■ ■ Beyond Access
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CHAPTER 6 ■ BEYOND ACCESS 133 Rou
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CHAPTER 6 ■ BEYOND ACCESS 135 (Qo
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CHAPTER 6 ■ BEYOND ACCESS 137 The
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CHAPTER 6 ■ BEYOND ACCESS 139 ins
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Figure 6-4. Wireless public network
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CHAPTER 6 ■ BEYOND ACCESS 143 sto
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Specialized Content Distribution Pl
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Beyond the Central Office CHAPTER 6
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Page 216 and 217: Index ■Numbers 2.4GHz to 928MHz b
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Page 222 and 223: harmonics, impact on AC power, 188
Page 224 and 225: challenges to, 85-86 and NLOS, 121
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