563489578934

754 Index
In-phase components, 638
In-phase modulation, 240
Inconsistent power spectral density, 437
Incrementally related carrier (IRC) system, 642
Indefinite integrals, 672–673
Indeterminate forms, 671
Indirect method, 341, 428
Inductors, loading, 219
Inequality, Schwarz’s, 477
Infinite series, 674
Information source
analog, 5
average, 18
digital, 5
evaluation of, 18
measuring, 17–19
rate of, 19
transmission of, 17
Injection, 268, 287
Input, 249, 498
receiver, 498
signal, phase of, 285
Input-noise temperature, 604–605, 609
Input-output relationships, 439–444
Input-signal waveshape, 466
Instantaneous frequency, 332
Instantaneous power, 38
Instantaneous sampled pulse amplitude
modulation, 138
Instantaneous sampling, 133, 137–141, 220
Instructor Solutions Manual, 8
Integer value, 289
Integral tables, 672–674
definite integrals, 673–674
indefinite integrals, 672–673
Integrate-and-dump filter, 467–469
Integrated digital enhanced network
(iDEN), 628
Integrated service digital network (ISDN),
215, 578, 580–582
basic rate, 580
broadband, 580
narrowband, 580–581
primary rate, 580
Intel, 656
Intelligent time-division multiplexing, 210
Intelsat series satellites, 583, 590
Intensity video signal, 633
Intercarrier signal, 635
Intercept point, 261
Interchange, time-slot, 577
Interference
causes of, 297
with channel, 297
intersymbol, 89, 133, 147, 175, 185
with receiver, 297
in receivers, 297
Interframe (I-frame) coding, 651
Interlacing technique, 630
Interleaving, 26
Intermediate frequency (IF), 293
Intermodulation distortion (IMD),
260–261
International Radio Consultative Committee
(CCIR), 11
International Telecommunications Union
(ITU), 10–11
International Telecommunications Union
Telecommunication Development
Sector (ITU-D), 11
International Telegraph and Telephone
Consultative Committee (CCITT), 11
Internet protocol (IP), 629
Internet service provider (ISP), 371
Intersection, 682
Intersymbol interference (ISI), 89, 133, 147,
175, 185–194, 191–192
Nyquist’s control of, 188–189, 194
raised cosine-rolloff Nyquist filtering,
189–194
RC low-pass filtering, caused by, 187
Interval
bit, 390
chip, 390
observation, 436
Inverse discrete Fourier transform (IDFT),
97–98
Inverse Fourier transform, 46
Inversion, alternate mark, 165
Ionization, 13
Ionosphere, 14–15
Ionospheric scatter propagation, 17
IPhone telephone, 622
J
Jacobian, 713
Joint events, 683
Joint mean, 711
Joint probability, 683–684
Jointly wide-sense stationarity, 451–453
K
Keying
amplitude shift, 353
binary phase-shift, 313, 353
frequency-shift, 10, 313, 345, 353, 359,
360, 361, 378–379
M-ary phase-shift, 367–368
minimum-shift, 371, 378, 383
on-off, 165, 313, 353, 371
phase-reversal, 507
phase-shift, 10, 319, 368, 371, 374
quadrature phase-shift, 519
Known signal waveshape, 469
Known waveshape, 464
Kronecker delta function, 68
Ku band satellites, 587
L
Laboratory radio-frequency waves, 43
Late sample, 180
Lead, 571
Leakage effect, 100
Learning preambles, 187
Learning sequences, 187
Left-sided delta function, 676
L’Hospital’s rule, 28
Light-emitting diodes (LED), 619
Limiter, 264–266
Line
digital subscriber, 215, 578
transmission, 606–607
Line code, 164–185
binary line coding, 164–174
bipolar, 439
bit synchronization, 178–181
differential coding, 174–175
eye patterns, 175–176
multi-level polar NRZ signals, power
spectra for, 181–184
nonreturn-to-zero, 164, 166, 183–184, 435
regenerative repeaters, 176–178
return-to-zero, 164, 166, 173
spectral efficiency, 184–185
Line of sight (LOS), 13, 15–17, 612–613
Line synchronization, 630
Linear bandpass filter, 250
Linear distortion, 250–252
Linear filter, 257, 464
Linear operator, 37
Linear-prediction-based analysis-by-synthesis
(LPAS), 204
Linear prediction filter, 195
Linear pulse code modulation (LPCM), 152
Linear rectification, 706
Linear systems, 439–444
distortion in, 89
distortionless transmission in, 86–89
impulse response in, 82–83
input-output relationships, 439–444
linear time-invariant systems in, 82
noise characterization of, 602–607
process of, 476
time-invariant, 441
transfer function in, 83–86
Linear time-invariant systems, 82
Linear transformation, 449
Link budget, 610
Link budget analysis, 597–618
E b /N 0 link budget for digital systems,
612–613
for fiber-optic system, 619–620