B. P. Lathi, Zhi Ding - Modern Digital and Analog Communication Systems-Oxford University Press (2009)

898 INDEX
Offset QPSK (OQPSK), 645
On-off keying (OOK), 373
On-off signaling, 327, 337-339, 518-519
Optimum delay, 681
Optimum filter, 483---486
Optimum linear precoder, 789
Optimum linear receiver analysis, 512-516
Optimum MUD receiver, 639
Optimum power distribution, 704
Optimum power loading
in OFDM/DMT, 780
water-pouring interpretation of,
779-780
Optimum preemphasis-deemphasis systems,
488---491
Optimum receiver
filter, 508-512
for white Gaussian noise channels, 536
Optimum threshold, 513-515
Orthogonal frequency division modulation
(OFDM)
channel equalization and, 669, 701-702
channel noise, 698-700
cyclic prefix redundancy in, 701
principles of, 692-698
real-life applications of, 707-711
zero-padded, 700-701
Orthogonality
complex signal space and, 32-33
of exponential signal set, 874
of trigonometric signal set, 873
Orthogonal signaling, 519-520, 562-564,
776
bandwidth and power trade-offs of M -ary,
567-568
energy of sum of, 34
Orthogonal signal sets, 36-39
Orthogonal signal space, 38-39
Orthogonal vectors, 30, 526-527
Orthogonal vector space, 36-38
Orthonormal basis set, 38, 529-530
Orthonormal vectors, 527
Outcomes, 394
Output transducer, 3
Overhead bits, 285
Paley-Wiener criterion, 96, 259
Parity check digits, 806
Parity check matrix, 808
Parseval's theorem, 39, 103-104
in Fourier series, 46
Partial reflection coefficients (PARCOR),
303
Partial response signaling, 350-351
Perfect code, 804
Periodic signals, 24-25
Phase coherent (in phase) lock, 178
Phase delay, 94n
Phase-locked loop (PLL), 172, 173-181,
233-234
basic operation, 17 4-17 5
first-order loop analysis, 177-178
hold-in (lock) range, 178
phase coherent (in phase) lock, 178
pull-in (capture) range, 1 78
small-error analysis, 175-177
Phase modulation (PM), 11, 204, 213-214
and frequency modulation, relationship
between, 205-206
narrowband (NBPM), 210
Phase shift keying (PSK), 208, 373
binary (BPSK), 520-521
detection, 378
differential (DPSK), 378-380
differentially coherent, 587-589
and QAM modulation, connection
between, 376-377
Phase shift method, 163
Piconet, 621
Plain-old-telephone-service (POTS), 707
Plesiochronous digital hierarchy, 288-290
Polar signaling, 334-336, 516-518
Power
of angle modulated wave, 206-209
control, 636-637
VS. MUD, 647
loading, 704
signal, 25, 111-118
Power spectral density (PSD), 111-112,
330-334, 465, 486
of amplitude shift keying, 374-376
constructing de null in, 336-337