block diagram, 93 wavelength dependence, 133 Orthogonality Physical layer multiple access codes, 95 described, 10 chipping codes, 82, 353 infra-red, 149 OFDM tones, 90 IrDA, 131 OSI model, 9-13 technologies, 25 maximum data rate and, 26 wired networks, 26 Packet binary convolution coding wireless networks, 34-5 802.11b optional modulation, 153 PLCP, 25 glossary, 391 PMD sublayer, 26 Packet bursting, 155 Physical layout Packet delay designing for WLAN, 185-89 voice services, 201 factors influencing, 186-87 Packet error rate, 109 planning tools, 187 payload size dependency, 119 provisional, 185 Packet fragmentation, 155 testing for WLAN, 183 Pairing wireless switches, 189 glossary, 391 Physical medium, 26 Pairwise temporal keys copper cable, 31 glossary, 391 glossary, 394 hierarchy, 222 optical fibre, 31 PAN see Personal Area Network radio transmission, 75 Passphrase, 209 twisted pair (UTP), 27-8 Bluetooth device pairing, 262 Piconet, 255, 262 changing default, 232 Pilot testing wireless USB security, 304 voice services, 202 Password authentication protocol, 216 wireless LAN, 176, 190 Path loss aspects, 191 access point estimate, 161 wireless PAN, 300 PBCC see Packet binary Pilot tones, 92, 123 convolution coding 802.11 PHY, 151 PCF see Point coordination function 802.11g PHY, 154 Peer-to-peer mode see Ad-hoc mode PKI see Public key infrastructure Penetration Point coordination function, 145-46 reduced at 5 GHz, 152 Inter-frame spacing, 147 see also Signal attenuation quality of service, 147 Personal Area Network Polarisation, 55-56 devices, 60 WMAN site survey, 325 rate versus range, 292 gigabit WLAN frequency reuse, 355 Index Port address translation, 19 RADIUS PAT table, 20 authentication server, 215-18 Power density, 81 EAP over RADIUS, 215 infra-red, 130 RC4 cipher, 207, 209-10, 225 Power efficiency, 96 weakness in WEP implementation, 211 Presentation layer secure socket layer support, 237 described, 10 Reassociation security see SSL MAC distribution system Print server, 53 service, 149 Probe frame TPC in asso