Page 431 - Integrated Wireless Propagation Models

I n d e x 409

Single breakpoint. See Lee macrocell model System design (Cont.):
Six-ray model, 242-243 special areas:
Six-sector cell, capacity comparison for, 148-154 antenna selection for, 364
Slow fading, 13 masthead LNA for, 361-363, 364/
Smart antenna: microcell for, 357-360, 359f - 360f
Lee microcell comparison, 145-146, 147f repeaters for, 352-357, 358f
simulation model for, 148-149, 150f terrain data, 346
simulation results, 150-155 trade-offs in, 146-147, 238, 255, 345, 361
worst-case, 153, 153f, 155 urban growth and, 179
overview of, 143 vector data for, 346, 347f
Snell's law, on reflection, 28
Special areas: - T ­
in-building NLOS room, Lee, 273 Terrain. See also Water
system design: averaging, 121
antenna selection for, 364 data, for system design, 346
masthead LNA for, 361-363, 364/ databases, implementation using, 181
microcell for, 357-360, 359f - 360f elevation:
repeaters for, 352-357, 358f Bullington monograms and, 56-57, 57 , 58f
f
Standstill condition, 4 CCIR model for, 66-67
Statistical models: earth curvature adjustments of, 121, 122/
characteristics comparison, 394t Egli model for, 58-60, 181
in-building, 319 HAAT for, 65, 81
macrocell category of, 95 Lee macrocell:
satellite channel models as, 384 antenna height gain for, 109, 110/
Street canyon model: data extraction, 119-121, 12'2f
ITU-R P.1411 model and, 253-255 TIREM of, 61-63, 63f, 64f
overview, 242-243 factor, 58-60
Suburban areas: flat, buildings and, 199, 203, 211-212
defined, 78 Lee microcell:
Hata's formulation in, 79, SOt integration of, 210, 211/
Lee macrocell: nonshadow, 207
frequency offset, 107t shadow, 208-210
path loss in, 103-104, 104f, 106f, 106t normalization:
System design: double-knoll case of, 166-167
basic operations, 4 in Italy, 159-160
cellsites in, 346, 347f measurements, 159-160
choosing prediction model for, 381-383 method, 158-159
coverage: need for, 157
antenna patterns and, 347, 349/ nonobstructive comparison in, 160-161
capacity compared to, 361 obstructive comparison in, 161-168
CDMA components of, 347-350, 351/ in San Diego, 167-168
combined link, general, 350, 351/ single-knoll case of, 164-166
forward link, general, 347, 348/ permittivity and conductivity of, 30t
masthead LNA, 362/ plane earth model and, 52, 53/
microcell, 187-188, 358f radial arrays, 120
repeaters, 352-357, 358/ reflection, for signal strength prediction, 44
reverse link, general, 350, 351/ trees:
trade-offs, 146-147, 238, 255, 345, 361 Bullington monograms and, 57, 58f
Lee comprehensive model for, 364-365, 382-383 Lee macrocell attribute for, 123, 127-131
Lee macrocell model for, 381-382 in London parks, 71
Lee microcell model for, 382 satellite prediction and, 383, 384
network engineering process and, 123 Terrain-Integrated Rough-Earth Model (TIREM):
parameters, 346 features, 182t
f
preparation, 345 formulas, 61-63, 63 , 64/
requirements, 381 Thermal noise, 377