Page 424 - Integrated Wireless Propagation Models

402 I n d e x

Hata model (Cont.): In-building prediction (Cont.):
Davidson, 81 layout examples, 269-270, 275-277, 278f, 291-292,
features, 256t 293f - 294f
ITU-R modification of, 80-81 link budget calculation with, 379
Monte Carlo simulation for, 148 millimeter wave signal in, 392-393
Okumura method with: new offices, 262-263
curves, 77 - 78f overview of, 43, 261-262
f
features, 256t physical category of, 319-320, 328
formulations, 76, 79-80, SOt propagation impairments, 262
parameters for, 75-76, 76t quality of, 262
Height above average terrain (HAAT): ray tracing:
Carey model on, 65 applications, 330-331
Hata-Davidson model on, 81 description, 328
Hills. See Terrain Lee in-building compared to, 307, 308f,
f
HO. See Handoff 315f - 316f, 334, 335 , 370f
Human-made structures. See In-building prediction; millimeter wave, 393
Suburban areas; Urban areas path loss for, 329, 330f
Huygens' principle, 34-35, 34f shadow considerations, 330
technique, 328-329
test points, 370f
- 1 -
statistical models, 319
Ibrahim-Parsons model: system design choice of, 382
approaches to, two, 73-75 transition to, 179, 220
development, 181 Input data:
Ikegami model, 83, 84f quality, in Lee microcell, 199
Walfisch, 84-87 International Telecommunication Union
Illusory distance, 247 Radiocommunications (ITU-R):
In-building prediction. See also Lee in-building model CCIR model before, 66-68
angle formula, 315f - 316f, 316, 317f Hata model modified by, 80-81
building materials and, 265-267 in-building:
characteristics of, 261 1238 model, 326-327, 328/
close-in distance derived for, 263-268, 269/, 271-273 COST-231 multiwall model, 325-326
empirical category of, 319-320 macrocell:
Ericsson multiple breakpoint, 323-324, 325/ P.530-9 model, 92-94
FDTD: P.1546 model, 90-92
algorithm procedure, 331-333 microcell P.1411 model:
development, 331 LOS conditions, 249-250
features, 256t NLOS conditions, 250-255
Lee in-building compared to, 303-307, 308f, overview, 248-249
f
315 f -316 , 370f model list, 90t
Lee microcell comparison to, 372/ Walfisch-Ikegami used by, 84
millimeter wave prediction by, 393 Intersymbol interference (lSI), 1
test points, 370f Ionosphere. See Atmospheric conditions
GTD application in, 328-334 Italy:
implementation, 261 Lee macrocell validation in, 343-345
ITU: terrain normalization in, 159-160
1238 model, 326-327, 328/ ITU. See International Telecommunication Union
COST-231 multiwall model, 325-326 ITU-R. See International Telecommunication Union
Keenan-Motley: Radiocommunications
description, 280
implementation, 318
Lee compared to, 280-281 - J -
Lee enhanced compared to, 285, 320-323 Joint local optimization GLO):
LOS sensitivity in, 281-283, 285, 321, 322/ Lee in-building, single-floor, 312
NLOS sensitivity in, 283, 284f, 285, 321-323 Lee microcell:
wall thickness and, 290 linear, 233-234