|
 |
Àâòîðèçàöèÿ |
|
 |
Ïîèñê ïî óêàçàòåëÿì |
|
 |
|
 |
|
 |
 |
|
 |
|
Lee W.C.Y. — Mobile Communications Engineering |
|
 |
Ïðåäìåòíûé óêàçàòåëü |
Field strength, effects on prediction of, relationship between path loss and local mean 163
Field strength, effects on prediction of, street orientation 160
Field strength, effects on prediction of, tunnel, loss due to 162
Field-component diversity 334—335
Fire code, error-correcting block coding scheme 457 (table)
FM frequency-reuse system 319
Fourier transform 67
Frame (word) error rate (FEE) 586—587
Frame synchronization 412—414
Free-space path loss 162
Frequency diversity, coherence bandwidth 342
Frequency diversity, correlation vs.frequency 341—342
Frequency diversity, statistical dependence on frequency 339—340
Frequency diversity, statistical dependence on frequency, approximation model of time-delay distribution 341
Frequency diversity, statistical dependence on frequency, exponential-distribution model of time-delay distribution 341
Frequency diversity, statistical dependence on frequency, Maxwell-distribution model of time-delay distribution 340
Frequency diversity, two frequencies with coherent bandwidth 343
Frequency diversity, two frequencies with noncoherent bandwidth 342—343
Frequency division duplexing (FDD) 571 582
Frequency division multiple access (FDMA), comparison of radio capacity between FDMA, TDMA, CDMA, in C/I < 1 systems (CDMA) 521
Frequency division multiple access (FDMA), comparison of radio capacity between FDMA, TDMA, CDMA, in C/I < 1 systems (FDMA and TDMA) 520—521
Frequency division multiple access (FDMA), where CDMA is greater 521—523
Frequency hopping (FH) system 310 653—656
Frequency hopping (FH) system, fast hopping 656
Frequency hopping (FH) system, slow hopping 654
Frequency modulation (FM) with discrimination, nonfading digital modulation system 288—289
Frequency modulation (FM), advantages of, for mobile radio 271—272
Frequency modulation (FM), advantages of, for mobile radio, nonfading case 273—279
Frequency modulation (FM), advantages of, for mobile radio, Rayleigh-fading case 279—286
Frequency reuse factor 319—320
Frequency reuse factor, K factor 319
Frequency-correlation function 482
Frequency-hopped differential phase-shift keying (FH-DPSK) systems 310—312
Frequency-hopped differential phase-shift keying (FH-DPSK) systems, error rate and system efficiency of, with respect to, multipath-fading environments 318—319
Frequency-hopped Frequency-hopped differential phase-shift keying (FH-DPSK) systems, error rate and system efficiency of, differential phase-shift keying (FH-DPSK) systems, error rate and system efficiency of, with respect to, multiple-base-station intercell interference 317—318
Frequency-hopped Frequency-hopped differential phase-shift keying (FH-DPSK) systems, signal and noise representation in 312—313
Frequency-hopped Frequency-hopped differential phase-shift keying (FH-DPSK) systems, spectrum efficiency/number of channels per cell 319—321
Frequency-hopped Frequency-hopped differential phase-shift keying (FH-DPSK) systems, with respect to, single-active-base-station intracell interference 314—317
Frequency-selective fading 481—482
Fresnel integrals 141
Fresnel zone, first, reflections/scattering within 115 116
Fresnel zone, first, reflections/scattering within, microcell prediction formula 154—155
Future public land mobile telecommunication system (FPLMTS) 3
Gain, coding 454
Gain, diversity 569—570 572—575
Gain, nonreal 524
Gain, processing 504 523—524 654
Gain, real 524
Gaussian distribution 71
Gaussian filtered minimum shift keying (GMSK), constant envelope modulated scheme 300—303
Gaussian process 563—564
Gaussian-waveform pulse, in waveform shaping 405 406
Geosynchronous earth orbit (GEO) satellites 541 542
Geosynchronous earth orbit (GEO) satellites, AMSC 541 543 544
Geosynchronous earth orbit (GEO) satellites, Omni TRACS 541
Geosynchronous earth orbit (GEO) satellites, Spaceway 543 544
Gilbert, E.N., statistical radio model of 564—565
Global positioning satellites (GPS) 24
Global positioning satellites (GPS), satellite MEO system 541—542
Global System Mobile (GSM), Digital Cellular in Europe 2
Global System Mobile (GSM), Digital Cellular in Europe, handoff 619—622
Globalstar, big LEO satellite system 543 544 545—546 547
Golay code, error-correcting block coding scheme 457 (table)
Granlund combiner, feedback-combining technique 384—386
Ground jammer 651
Hamming code, error-correcting block coding scheme 457 (table)
Handoff 10 13 619—622
Handoff, break before make 622
Handoff, intercell 11
Handoff, intracell 11
Handoff, make before break 621 622
Handoff, mobile-assisted 620
Handoff, soft handoff 619
High-gain antennas, effects of 190 191
Horizontal antenna separation, vs.vertical antenna separation 574 575 576
Human-made effect, and interpretation of path loss 151—152
Human-made noise, at different frequencies 44—46
Human-made noise, categories of 43 44
Human-made noise, characteristics of 43—46
Huygen’s principle, and properties of diffuse reflection 29—30
Idle signal multiple access (ISMA) 538
Improved Mobile Telephone Service (IMTS) 2
Impulse response measurements 92—93
Inbuilding prediction model 157—158
Incoherent matched-filter receiver, error probability for 482 483—486
Inmarsat P, MEO global mobile satellite system 541—543 544
Instantaneous amplitude probability, component of mobile-telephone voice characteristics 495—496
Interference, adjacent-channel 431—432
Interference, adjacent-channel, in nonfading environment 432—433
Interference, adjacent-channel, in Rayleigh-fading environment 434—435
Interference, adjacent-channel, out-of-bound type of 436
Interference, cochannel 422—423
Interference, cochannel, in nonfading environment 423—428
Interference, cochannel, in Rayleigh-fading environment 434—435
Interference, effects of 421
Interference, intermodulation (IM), problem sources of, AM-PM conversion 437—441
Interference, intermodulation (IM), problem sources of, antenna terminal mismatch 441
Interference, intermodulation (IM), problem sources of, colocated transmitting antennas 441—442
Interference, intersymbol, and degradation effects of time-delay spread in signal timing 444—445
Interference, near-end to far-end ratio 436—437
Interference-limited onvironment, and evaluation of spectrum efficiency, in C/I < 1 systems 518—520
Interference-limited onvironment, and evaluation of spectrum efficiency, in C/I > 1 systems 516—518
Interleaving, illustrated 587
Intermodulation (IM) interference, problem sources of 421 592—593
Intermodulation (IM) interference, problem sources of, AM-PM conversion, feed-forward amplification 437—438
Intermodulation (IM) interference, problem sources of, AM-PM conversion, linear amplification with nonlinear components (LINC) 438—440
Intermodulation (IM) interference, problem sources of, antenna terminal mismatch 441
Intermodulation (IM) interference, problem sources of, caused by front-end overload 592 593
Intermodulation (IM) interference, problem sources of, colocated transmitting antennas 441—442
Intermodulation (IM) interference, problem sources of, means of reducing IM 592—593
Intersymbol interference (ISI), problem of 442—444 575
Intersymbol interference (ISI), problem of, and degradation effects of time-delay spread on signal timing 444—445
Iridium, big LEO satellite system 543 544
Irreducible error rate, due to frequency-selective fading 481—482
Irreducible error rate, due to random FM, digital FM (FSK) system 480—481
Irreducible error rate, due to random FM, DPSK system 479—480
IS-136 (TDMA), digital cellular standard 2
IS-95 (CDMA), digital cellular standard 2
Kirchhoff’s theory, on diffraction 140—141
Lee models 147—159
Lee models, inbuilding 157—159
Lee models, macrocell 149—153
Lee models, microcell 153—155
Lee’s device (real-time averages in non-stationary environment) 614—615 616
Lee’s device (real-time averages in non-stationary environment), in calculations of radio communication environment 616—619
Level-crossing rate (LCE) 77—80 373—374
Level-crossing rate (LCE), at base station 373—377
Level-crossing rate (LCE), at mobile site 377—380
Linear amplification with nonlinear components (LINC) 438—440
Linear amplification with nonlinear components (LINC), feed-forward 437—438
Linear amplification with nonlinear components (LINC), inverse-sine modulation 439—440
Linear block code, components of coding gain 454
Linear block code, components of coding strength 455
Linear block code, components of cyclic redundancy check (CRC) 457—458
Linear block code, components of erasure correction 456—457
Linear block code, components of error detection/error correction 455—456
Linear block code, components of parity-check matrix 453—454
Linear block code, components of single-parity check code 452—453
Linear predictive coding (LPC) 508
Linear pulse-code modulation (PCM) 508
Local mean prediction, Lee macrocell model 149—153
Local mean prediction, vs.path loss prediction 566—567
Lognormal distribution 74—75
Long-term fading 561
Low-earth orbit (LEO) satellites 541 542
Low-earth orbit (LEO) satellites, big LEO systems, Aries 543 544
Low-earth orbit (LEO) satellites, big LEO systems, Ellipso 543 544
Low-earth orbit (LEO) satellites, big LEO systems, Globalstar 543 544
Low-earth orbit (LEO) satellites, big LEO systems, Iridium 543 544
Low-earth orbit (LEO) satellites, big LEO systems, Teledesic 543 544
| Low-earth orbit (LEO) satellites, little LEO system, OrbComm 543 544
Low-earth orbit (LEO) satellites, operation, description/concept of 543 545—547
M-branch maximal-ratio combiner, in bit-error analysis 469 470
Macrocell model (Lee) 149—151 153
Macroscopic diversity 10
Macroscopic diversity, combining techniques for 349—350
Macroscopic diversity, scheme, applied on different-sited antennas 327—329
Majority-voting processes, in reduction of word-error rate 473
Majority-voting processes, in reduction of word-error rate, fast-fading condition 473—475
Majority-voting processes, in reduction of word-error rate, slow-fading condition 475—476
Manchester-code-waveform signaling 403—404
Marconi, Marchese Guglielmo 3
Mathematical Theory of Communication, The (Shannon and Weaver) 605
Maximal-ratio combining 350 360—369
Maximal-ratio combining, performance curves for 367 368
Maxwell-distribution model, of time-delay distribution 340
Mean opinion score (MOS), evaluation criterion for speech coders/system quality 506
Mean square modulation index 425
Mean-square error (MSE) algorithm 95—96
Metroliner telephone 2
Microcell model (Lee) 153—156
Microscopic diversity 10—11
Microscopic diversity, combining techniques for 347—349
Microscopic diversity, schemes, applied on cosited antennas 329
Midearth orbit (MEO) satellites 541 542
Midearth orbit (MEO) satellites, Inmarsat P 541—543 544
Midearth orbit (MEO) satellites, Odyssey 541—543 544
Military mobile communications, adaptive antenna nulling 668—670
Military mobile communications, coding schemes used in 656—659
Military mobile communications, combining technologies (in jammingv environment) used in 659—670
Military mobile communications, in jamming environment, electronic counter-countermeasure (ECCM) technology 652—653
Military mobile communications, in jamming environment, jammer strategy 651—652
Military mobile communications, use of frequency hopping (FH) spread-spectrum scheme in 653—656
Minimum tone separation 301—302
Mobile Broadband Systems, as FPLMTS (future public land mobile telecommunication system) 3
Mobile coverage 582—583
Mobile location 594
Mobile location, mobile-unit-based finding of, dead-reckoning system 596
Mobile location, mobile-unit-based finding of, GPS (Global Positioning Satellite) 595
Mobile location, mobile-unit-based finding of, Loren C 535
Mobile location, mobile-unit-based finding of, sign posts 596
Mobile location, station (cell-site based) finding 594—595
Mobile location, station (cell-site based) finding, angle arrival 594
Mobile location, station (cell-site based) finding, time arrival 594
Mobile location, station (cell-site based) finding, triangulation 594
Mobile radio environment, causes for 560
Mobile radio environment, causes of signal reception 562
Mobile radio environment, conditions for forming 560
Mobile radio environment, independence of electric and magnetic fields in 191—195
Mobile radio environment, signal impacted by.factors/phenomena related to, antenna height 561
Mobile radio environment, signal impacted by.factors/phenomena related to, area-dependent path loss 561
Mobile radio environment, signal impacted by.factors/phenomena related to, dispersive medium 561—562
Mobile radio environment, signal impacted by.factors/phenomena related to, excessive path loss 561
Mobile radio environment, signal impacted by.factors/phenomena related to, long-term fading 561
Mobile radio environment, signal impacted by.factors/phenomena related to, rough-terrain criterion 562
Mobile radio environment, signal impacted by.factors/phenomena related to, signal fading 561
Mobile radio environment, signal impacted by.factors/phenomena related to, signal strength 561
Mobile radiotelephone, advantages of, over CB radio 6
Mobile Satellite Service (MSS), satellite technologies of, compared 542 543 544
Mobile Satellite Service (MSS), satellite technologies of, GEO (geosynchronous earth orbit) satellites 541—544
Mobile Satellite Service (MSS), satellite technologies of, LEO (low-earth orbit) satellites 541—547
Mobile Satellite Service (MSS), satellite technologies of, MEO (midearth orbit) satellites 541—544
Mobile Telephone Service (MTS) 2
Mobile-assisted handoff (MAHO) 620
Mobile-radio communications, cellular network planning, AMPS service features 7—14
Mobile-radio communications, cellular network planning, digital cellular 17
Mobile-radio communications, cellular network planning, extended spectrum 14—16
Mobile-radio communications, cellular network planning, PCS (Personal Communication Service) 17
Mobile-radio communications, commercial vs.military 17—19
Mobile-radio communications, first 100 years of, historical survey of 1—6
Mobile-radio communications, signal environment, factors in, coherence bandwidth 52—53
Mobile-radio communications, signal environment, factors in, communication medium 21—26
Mobile-radio communications, signal environment, factors in, delay spread 47—51
Mobile-radio communications, signal environment, factors in, human-made noise 43—46
Mobile-radio communications, signal environment, factors in, multipath fading 31—40
Mobile-radio communications, signal environment, factors in, propagation-path loss 26—31
Mobile-radio communications, signal environment, factors in, thermal noise 40—43
Mobile-radio systems, Digital Cellular 2 17
Mobile-radio systems, dispatching systems 1
Mobile-radio systems, fading model of 564—565
Mobile-radio systems, FDD system 571 582
Mobile-radio systems, Mobile Broadband Systems 3
Mobile-radio systems, packet radios 2
Mobile-radio systems, PSC (personal communication service) 2 17 541
Mobile-radio systems, radio paging systems 1
Mobile-radio systems, radiophones (walkie-talkies) 1
Mobile-radio systems, radiotelephones (mobile phones) 2
Mobile-radio systems, TDD (Time Division Duplexing) systems 2—3
Mobile-telephone switching office (MTSO) 10 11—14
Model analysis, and prediction of path loss over hilly terrain 133—135
Model analysis, and prediction of path loss over hilly terrain, diffraction loss 140—142 146—147
Model analysis, and prediction of path loss over hilly terrain, double knife-edge diffraction 143 144 145
Model analysis, and prediction of path loss over hilly terrain, first-reflected-wave conditions, absent 138—140
Model analysis, and prediction of path loss over hilly terrain, Lee’s models 147—159
Model analysis, and prediction of path loss over hilly terrain, second-reflected-wave conditions, absent 137—138
Model analysis, and prediction of path loss over hilly terrain, second-reflected-wave conditions, present 135—137
Modified single-sideband (SSB) system 323—325
Multicell system, capacity limit in 532
Multipath dispersive fading phenomenon 559
Multipath fading phenomenon, in 800- to 900-MHz region 54
Multiple access interference (MAI) 633 636
Multiple-access (MA) schemes, comparison of radio capacity between FDMA, TDMA, and CDMA in 520—523
Multiple-access (MA) schemes, impact of ambient noise in cellular and PCS bands, on CDMA system capacity/coverage 524—530
Multiple-access (MA) schemes, in interference-limited environment 515—520
Multiple-access (MA) schemes, in noise-limited environment 512—515
Multiple-access (MA) schemes, limits of interference cancellation for CDMA system 530—533
Multiple-access (MA) schemes, mobile satellite systems in 540—547
Multiple-access (MA) schemes, mobile satellite systems in, comparison of GEO, LEO, and MEO systems 542 543 544
Multiple-access (MA) schemes, mobile satellite systems in, GEO (geosynchronous earth orbit) satellites 541—544
Multiple-access (MA) schemes, mobile satellite systems in, LEO (low-earth orbit) satellites 541—547
Multiple-access (MA) schemes, mobile satellite systems in, MEO (midearth orbit; satellites 541—544
Multiple-access (MA) schemes, nature of cochannel interference in SDMA system in 548—549 550
Multiple-access (MA) schemes, on physical channels 511—512
Multiple-access (MA) schemes, on physical channels, frequency (F)-time (T)-code (C)-space (S) dimensions of 512
Multiple-access (MA) schemes, on virtual channels, protocols of, 538
Multiple-access (MA) schemes, on virtual channels, protocols of, ALOHA 533—534
Multiple-access (MA) schemes, on virtual channels, protocols of, BTMA 538
Multiple-access (MA) schemes, on virtual channels, protocols of, CDPA 539
Multiple-access (MA) schemes, on virtual channels, protocols of, CSMA 535—536
Multiple-access (MA) schemes, on virtual channels, protocols of, CSMA/CD 538
Multiple-access (MA) schemes, on virtual channels, protocols of, DSMA 538
Multiple-access (MA) schemes, on virtual channels, protocols of, ISMA 538
Multiple-access (MA) schemes, on virtual channels, protocols of, PRMA 537—538
Multiple-access (MA) schemes, on virtual channels, protocols of, RAMA 539
Multiple-access (MA) schemes, on virtual channels, protocols of, Reservation ALOHA 536—537
Multiple-access (MA) schemes, on virtual channels, protocols of, Slotted ALOHA 535
Multiple-access (MA) schemes, processing gain (P.G.) 523—524
Multiple-access (MA) schemes, requirement of alien-interference tolerance in 550—556
Multiple-base-station diversity see “Macroscopic diversity”
Multiple-base-station intercell interference, in FH-DPSK systems 317—318
Multiuser detection, for CDMA 633—636
Narrowband PCS (personal communication service), for two-way paging systems 17 18
Near-end to far-end ratio interference, problem of 436—437
New York Police Department, role of, in history of mobile-radio communications 3
New York Telephone Company (NYTC) 5
Noise figure (NF) issues, ambient noise 578
Noise figure (NF) issues, antenna-temperature noise 580—581
Noise figure (NF) issues, receiver noise 578—580
Noise representation 312—313
Noise-limited environment, and evaluation of spectrum efficiency, in C/I< 1 systems 514—515
Noise-limited environment, and evaluation of spectrum efficiency, in C/I> 1 systems 512—514
Noncoherent FSK, nonfading digital modulation system 289—290
Nonconstant envelope modulation schemes 303—304
Nonconstant envelope modulation schemes, QAM (quadrature amplitude modulation) 304—306
Nonpilot signal, use of, in feed-forward combining 381—382
Nonwireline operators (ECC) 4
NRZ baseband signaling, in bit-stream waveform analysis 402 403
Nyquist principle, illustrated 407
Offset quadrature phase-shift keying (OQPSK), constant envelope modulation scheme 296—297
Omni TRACS, GEO satellite system 541
|
|
 |
Ðåêëàìà |
 |
|
|
 |
 |
|