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

894 INDEX
Fourier transform ( Continued)
physical appreciation of, 68-69
time differentiation property, 88-90
time-frequency duality, 76-77
time integration property, 88-90
time-scaling property, 79-81
time-shifting property, 81-82
Fractionally spaced equalizers (FSE)
MMSE design, 688
SIMO model, 684-686
ZF design, 686-687
Frame, 283
Framing bit, 283
Frequency converter (mixer), 150---151
Frequency convolution, 87
Frequency counters, 233
Frequency demodulators, practical, 232-233
Frequency division multiplexing (FDM), 13,
141, 172-173
Frequency hopping spread spectrum
(FHSS), 614-617
applications of, 621-624
asynchronous, 619-620
performance, with multiple user access,
618-619
Frequency modulation (FM), 11, 202, 204
broadcasting system, 241-242
narrowband (NBFM), 210, 211
and phase modulation, relationship
between, 205-206
signals, demodulation of, 231-234
tone, 214-217
waves, generating, 222-231
wideband (WBFM), 211-213
Frequency multipliers, 225
Frequency resolution, 122
Frequency shift keying (FSK), 208, 373,
522-523, 584-586
detection, 377-378
and FM modulation, connection between,
376
Gaussian, 622
M -ary FSK and orthogonal signaling,
380-382
Frequency-selective channels, 669, 776-780
Frequency-selective fading channel, 102,
713-714
conversion to flat fading channel, 715
Frequency-shifting property, 77, 83-87
Full-cosine roll-off characteristics, 349
Gaussian approximation, of nonorthogonal
MAI, 633-634
Gaussian random process properties,
534-536
Gaussian random variable, 416-422
sum of, 444--446
Generalized angle, 203
Generalized Fourier series, 39
Generator matrix, 806, 818-819
Generator polynomial, 818-819
code, 814
Geometric interpretation, in signal space,
546-551
Geometrical signal space, 525-527
Global Positioning System (GPS), 647
differential, 648
operation, 647-648
spread spectrum in, 648-649
Gram-Schmidt orthogonalization, 530, 531,
877-879
Gray code, 553
Group (envelope) delay, 94n
GSM cellular phones, 675
Hadamard inequality, 787
Hamming bound, 804
Hamming codes, 804, 812-813
Hamming distance, 7 46, 807
Hard-decision decoding, 841
Hermitian symmetry, 66n
High-definition television (HDTV), 309-310
High-density bipolar (HDB) signaling, 342
High-quality LP vocoders, 304
High-speed packet access (HSPA), 647
Hilbert transform, 160-161
Hold-in (lock) range, 178
Homodyne modulators, 151
Huffman code, 740-745, 789-791