strength specification, 288 Digital signatures modulation and coding, 289 PKI certificates, 219 Effective data rate SSL certificates, 239 Bluetooth, 255 voice service security, 203 wireless LAN attribute, 178 Direct sequence spread spectrum, 83-4 wireless PAN attribute, 297 glossary, 385 Effective isotropic radiated power interference with FHSS, 248 802.11a limits, 150 ZigBee radio, 276 defined, 107 Direct sequence UWB radio, 121 FCC and ETSI limits, 73-4 Directed beaconing glossary, 385 wireless USB devices, 270 wireless MAN set-up, 326 Disassociation Electromagnetic spectrum MAC distribution system service, 149 see Spectrum Distributed coordination function, 145 Encoding 802.11e enhancements, 157 2B1Q, 29-30 timing, 146 4B/5B, 27-28 Distributed inter-frame spacing, 145 MLT-3, 28 Distributed reservation channel access, 168 Manchester, 28 Distributed reservation protocol NRZI, 33 WiMedia MAC, 268 noise immunity and, 34 Distribution system E-mail ESS operation, 144 OSI example, 11 MAC services, 147, 149 Emitter power density, 131 mesh networks, 167 Encryption wired, 143 cipher block chaining, 220 wireless, 167 counter mode, 226 Diversity electronic code book, 226 frequency, 318 stream ciphers, 225 glossary, 385 Enhanced DCF, 145 spatial, 59 timing, 158-59 Diversity gain, 166 Enhanced Wireless Dual band radios Consortium, 165 WLAN application, 183 Ericson Mobile Communications, 254 Index Error correction FireWire, 26 802.16e enhancements, 317 CSR architecture cyclic redundancy check, 384, range, 31 210, 213 resources, 366 forward error correction, 386 topology, 31 low density parity check, 351 wireless 1394, 123, 272 ESS see Extended service set Frame bursting see Packet bursting Ethernet, 1, 26 Free space loss, 112-14 address, 22 Frequency diversity, 318 collision detection, 145 Frequency division duplexing, 88-89 CSMA/CD and, 23 802.16, 311 fast, 27 Frequency division multiple ETSI, 73-75 access, 88-89 802.11b channels, 153 Frequency hopping spread Bluetooth RFCOMM adaptation, 261 spectrum, 84-85 DECT and HomeRF,