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WiMax Operator's Manual

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Index<br />

■Numbers<br />

2.4GHz to 928MHz bands. See bands<br />

38GHz frequency, use of, 47<br />

802.11 equipment, relationship to hotspots,<br />

64–65<br />

802.11 standards<br />

features of, 6<br />

limitations of, 64<br />

revisions of, 7<br />

802.16 chips, availability of, 5<br />

802.16 radios, spectral allocation available<br />

to, 21<br />

802.16 standards<br />

bands covered by, 34<br />

features of, 6<br />

maturity of, 10–11<br />

overview of, 2–4<br />

physical standards associated with, 4–5<br />

for QoS (quality of service), 165<br />

services supported by, 27–28<br />

significance of, 8<br />

technologies supported by, 94–95<br />

802.16a standard, bandwidth available to, 21<br />

802.20 mobile broadband standard,<br />

completion of, 53<br />

■A<br />

absorption, relationship to NLOS and wave<br />

propagation, 113–114<br />

AC power<br />

providing to central offices, 68–69<br />

security of, 188<br />

access points, establishing for central offices,<br />

71–72<br />

access providers, starting, 96. See also basic<br />

access and best-effort delivery<br />

access requirements, considering, 65<br />

active fiber connections, features of, 74–76<br />

active versus passive networks, relationship<br />

to fiber-optic backhaul, 74<br />

adaptive array antennas<br />

features of, 29<br />

using with OFDM, 118–120<br />

using spectrum analyzers with, 89<br />

adaptive modulation<br />

availability in standards, 6<br />

relationship to cell planning, 122<br />

adaptive phased array antennas<br />

features of, 29<br />

using with OFDM, 118–120<br />

addresses, using with packets, 132<br />

airlinks<br />

establishing link budgets for, 91–92<br />

versus fiber, 21<br />

all-knowing mesh networks, features of, 83<br />

antenna arrays, relationship to sectorization,<br />

109–110<br />

antennas<br />

attaching base station transceivers to, 66<br />

for central base stations, 66<br />

installation of, 123, 123–124<br />

placing in base stations, 71–72<br />

types of, 28–30<br />

use with OFDM, 118–120<br />

using for multipath distortion, 36<br />

APIs (application programming interfaces),<br />

using with OSS, 184–185<br />

195

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