Index_E

E

eavesdropping, 69-72

echo, 122, 125-126, 187, 248

economic advantage of 802.11, 9-10, 267-305, 333-334

broadband public networks, 291-305

computer sales and, 295-296

consumer benefits and, 296-300

consumer surplus concept in, 292-293

customer service and, 273-274

efficiency of production and, 274-275

hotspots, 278-282, 280

layering, private networks made public using, 286-288, 287

moves, adds, changes, cost of, 270

net present value (NPV) and, 9-10, 277

portability of network components and, 268-270

producer benefits and, 293-296

producer surplus concept in, 293

productivity and, 270-273, 272

public access networks and, 278-291, 280

reciprocal compensation concept in, 285-286

return on investment (ROI) and, 9-10, 277, 333

telephone service and broadband in, 300-305

time savings using, 274

turnkey operators and, 282, 284, 285-286

voice over IP (VoIP) and, 273-277, 277, 301-305, 305

wireless Internet service provider (WISP) and, 288-291, 290

WLANs vs. local area networks (LAN), 268-270, 269

effective isotropic radiated power (EIRP), 205, 309

effective radiated power (ERP), 46, 205

efficiency of production and wireless, 274-275

electronic news gathering (ENG), 314-315

electronic warfare, 117-118

emergency services (E911), VoIP and, 172, 190-192

encapsulation, 89, 98

encoding process, voice over IP (VoIP) and, 180-184

encryption, 69, 86

hex vs. ASCII keys in, 71

IPSec in, 97

Kerberos in, 99-102, 100

tunneling in, 94-96

wired equivalent privacy (WEP) and, 63-65

endpoints, voice over IP (VoIP) and, 163

engineering and range of signals, 42

enhanced DCF (EDCF), quality of service (QoS) and, 142, 151-152, 151

Enterasys, 235

enterprise networks (EN), 165, 256

entertainment, 297-300

equipment selection, 231-235

Ethernet, 37, 128, 201, 293

exclusive use model for frequency spectrum, 323-324

expedited forwarding (EF), 131-133

extended interframe space (EIFS), 146-147

extended service set (ESS), 28, 34, 35, 36, 201-203, 201

extensible authentication protocol (EAP), 82, 87-94, 235, 256, 257