72, Network Topology, 116, 205, 373, 406, 503 173, 175, 199, 236, 282, 420, 423, 425, Network-to-Network Interface (NNI), 227, 350, 468-477, 484, 485, 488, 489, 500 Modulation and Coding Scheme, 23, 24, 163, 471 NMS maintenance, 161 Modulation Coding Scheme (MCS) distribution, Node B Application Protocol (NBAC), 274, 275, 35, 54, 66, 171, 172 296, 304 Modulation Coding Scheme allocation, 35 Nominal Planning, 19 Modulation Types, 282 Non-Real-Time Variable Bit Rate (NRT-VBR), MS Antenna Gain, 31, 33 MS Sensitivity, 30 Nordic Mobile Telephone (NMT), 1, 2 Multi-BCF, 121, 155, 156, 269, 287, 292, 293 NRT, 37, 467 Multi-Carrier Code-Division Duplex nrt-VBR (Non-Real-Time Variable Bit Rate), 231 (MC-CDMA), 421 NSS faults, 161 Multiframe, 23, 25, 54, 60, 82, 83, 84, 109, 113, NSS performance, 106, 113 163, 166, 169 Multimode device, 421 Octagonal Phase-Shift Keying (8-PSK), 10, 23, Multipath, 29, 40, 41, 44, 142, 234, 235, 239, 35, 163, 167, 173, 179 256, 261, 263, 265, 266, 268, 420, 424, 425, OFDM, 420, 423, 424 426, 427, 477 Offline Observation, 110 Multipath Propagation, 41, 44, 420, 425, 427, 477 Okumara-Hata Model, 57 Index OMC (operation & maintenance center), 5, 127, PCM, 113, 200, 285, 299, 355 140, 160 PDCH Multiframe Structure, 163, 166 One-phase access, 35, 174 PDCP, 272, 273 Optimisation, 17, 19, 20, 21, 106, 107, 110, 114, PDH (Plesiochronous Digital Hierarchy), 115, 122, 125 201-207, 217, 272, 288 Orthogonal Signals, 423 PDH Interface, 288, 293 Orthogonal Variable Spreading Factor (OVSF), PDP Context, 85, 378, 382, 383, 384, 400, 407, 27,469 OSI Reference Model, 223, 224 Peak Cell Rate (PCR), 231, 232 Othogonality, 27, 420, 423 Peak-Hour Multiplier, 69, 405 Othogonality Factor, 38, 70, 105 Peak-to-average, 166, 167 OU (Outdoor Unit), 237, 443 Performance and Fault Management, 127, 160, Outage, 233, 260, 267, 406, 463 184, 457 Outer-Loop Power Control, 97, 102, 106 Performance Enhancing Proxy (PEP), 174 Overheads, 212, 276, 277, 390, 391 Performance indicators, 20, 127, 128, 175, 187, Overlay Network, 421 