Page 422 - Integrated Wireless Propagation Models

400 I n d e x

Carey model, 65 Coverage, system design (Cont.):
Carrier-to-interference (C/I) ratio: combined link, general, 350, 351/
antenna: forward link, general, 347, 348f
smart, 145-155 masthead LNA, 362/
tilting notch and, 141f 142 microcell, 187-188, 358f
frequency reuse: repeaters, 352-357, 358f
concepts, 14-17 reverse link, general, 350, 351/
simulation, 17-22 trade-offs, 146-147, 238, 255, 345, 361
Lee microcell, 145-155
macrocell overview and, 43 - o -
CCIR. See International Telecommunication Union Deterministic models. See Physical models
Radiocommunications Deygout method, 41, 41f
CDMA components, 347-350, 351/ Diamond-shaped model, 245-248
Close-in distance: Diffraction, 33-41. See also Knife diffraction
for Lee in-building model: along-road path waves of, 240
building material variations and, 265-267 building waves of, 240
estimate, 265 Fresnel zones in, 34-35, 38f
foundation, 263-264 GTD, 328-334
verification, 267-268, 269f
Huygens' principle in, 34-35, 34/
for Lee single-floor NLOS: ITU-R P.530-9 based on, 92-94
beyond, 272-273 Kirchoff's formula for, 35
in proximity, 271-272 morphology, 128-129
Cloud-based train communication, 392, 393f in random waveguide model, 244
Clutter: rooftops, 250-253, 254/
factor: Digital modulation, analog from, 147
in Egli model, 58-60 Direct path, 5
in Ibrahim-Parsons model, 73 Doppler spread:
in Young model, 53 in bullet train communication, 392
types, 76 metrics, 9-10, 9 f 13
Co-channel interference: Dual-slope model, 239, 2561
antenna tilting and, 139, 140f 142
frequency reuse and simulation, 17-22
frequency reuse concepts for, 14-17, 45 - E -
Lee microcell capacity and, 146-147, 147f Earth curvature offset, 121, 122f See also Plane earth
overview, 45 model
Coaxial cables, 392 Edwards-Durkin model, 68-70, 1801
Coherence bandwidth: Effective radiated power (ERP), 65
defining, 9 Egli model:
frequency-selective fading and, 12-13, 12/ features, 1821
Coherence time, 10 formula, 58-60, 181
Conductivity, medium comparison of, 301 Elastic scattering, 42
Corraza-Vatalaro model, 384 Empirical models:
COST-231: characteristics comparison, 3941
Hata model, 80-81, 2561 in-building category of, 319-320
in-building multi wall model, 325-326 macrocell category of, 95, 181
Walfisch-Ikegami model, 84-87 microcell category of, 238-241
Coverage: Environment. See also Suburban areas; Terrain; Urban
antenna tilting and, 348/ areas
interference balance with, 279 Epstein-Peterson method, 39-40, 40f
Lee macrocell data files, 155-156 Ericsson in-building model, 323-324, 325f
system design: European Co-operative for Scientific and Technical
antenna patterns and, 347, 349f Research (EURO-COST):
capacity compared to, 361 Hata modification by, 81
CDMA components of, 347-350, 351/ Walfisch-Ikegami used by, 84-87