WiMax Operator's Manual

■V
VDSL
and entertainment services, 56
features of, 77
and VDSL2, 17
videoconferencing, use of, 54
virtual routing, administration of, 161
VOD (video on demand)
over wireless broadband networks, 144
supporting, 57
voice telephony
providing, 150
use of, 51–54
VoIP standards, overview of, 172–173
VPLS (virtual private LAN service) versus
IPLS (IP-only LAN-like service),
160–161
VPNs (virtual private networks)
802.16 support for, 27
considering in central offices, 137
evolution of, 157–158
and transparent LANs, 51
types of, 158–162
VPWSs (virtual private wire services),
significance of, 159
■W
walled-garden service, considering in central
offices, 145
wave division multiplexing, relationship to
PONs, 74
wave propagation, relevance to NLOS,
113–115
wavelengths, span of, 35, 37
WCS (Wireless Communications Service),
location of, 45
web hosting, considering in central offices,
143–144
Web sites
First Avenue, 47
IEEE, 3
■INDEX
wi-fi hotspots, use of. See hotspots
WiMax organization, explanation of, 5
wireless base stations. See also base stations
cost of equipment for, 26
versus DSL and cable aggregation nodes,
25–26
setting up, 25–26
wireless bridge connections, overview of, 77
wireless broadband
accessibility of, 8
versus cable, 21
capacity of, 21
competitive access technologies for, 13–14
competitive position of, 23
deployment of, 9
development of, 24
examining return on investment for, 99
frequencies for, 35
future of, 50
geographical markets for, 8
and independence from incumbents,
31–32
installation requirements for, 25
integrating with wireline infrastructure,
94–95
local topography and distribution of
man-made structure concerns,
30–31
maturity of, 10–11
overview of, 1–2
preliminary planning for, 33–34
and QoS, 22
scalability of, 26
and service delivery, 27–28
setting up, 147
speed of deployment of, 31
strength of, 20
and subscriber density, 28–30
total cost of ownership of, 24–26
209