BER of BPSK

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BER of BPSK
Figure 6.3 Signal-space diagram for coherent
binary PSK system. The waveforms depicting the
transmitted signals s1(t) and s2(t), displayed in
the inserts, assume nc ? 2.
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Figure 6.3 Signal-space diagram for coherent
binary PSK system. The waveforms depicting the
transmitted signals s1(t) and s2(t), displayed in
the inserts, assume nc ? 2.
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Generation and Detection of Coherent BPSK
Figure 6.4 Block diagrams for (a) binary PSK
transmitter and (b) coherent binary PSK receiver.
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Figure 6.5 Power spectra of binary PSK and FSK
signals.
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, g(t) denotes the symbol shaping function.
The baseband QPSK PSD equals the sum of the
inphase and quadrature PSD
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Figure 6.9 Power spectra of QPSK and MSK signals.
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Offset QPSK ( Reducing Carrier Amplitude Change)
Figure 6.10 Possible paths for switching between
the message points in (a) QPSK and (b) offset
QPSK.
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p/4 shifted QPSK Two ordinary QPSK constellations
Figure 6.11 Two commonly used signal
constellations of QPSK the arrows indicate the
paths along which the QPSK modulator can change
its state.
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Figure 6.15 (a) Signal-space diagram for
octaphase-shift keying (i.e., M ? 8). The
decision boundaries are shown as dashed lines.
(b) Signal-space diagram illustrating the
application of the union bound for
octaphase-shift keying.
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QAM Cross Constellation M2n where n is odd
(e.g., 5,7,)
Figure 6.18 Illustrating how a square QAM
constellation can be expanded to form a QAM
cross-constellation.
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Generation and Detection of Coherent BPSK
Figure 6.26 Block diagrams for (a) binary FSK
transmitter and (b) coherent binary FSK receiver.
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Figure 6.27 Phase tree.
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Figure 6.28 Phase trellis boldfaced path
represents the sequence 1101000.
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Figure 6.29 Signal-space diagram for MSK system.
The constellation of MSK is similar to that of
QPSK
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Generation and Detection of MSK Signals
Figure 6.31 Block diagrams for (a) MSK
transmitter and (b) coherent MSK receiver.
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Let W denote the 3dB baseband bandwidth of te
pulse-shaping filter.
Figure 6.33 Power spectra of MSK and GMSK signals
for varying time-bandwidth product. (Reproduced
with permission from Dr. Gordon Stüber, Georgia
Tech.)
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PSD of MFSK
Figure 6.36 Power spectra of M-ary PSK signals
for M ? 2, 4, 8.
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Figure 6.45 Comparison of the noise performance
of different PSK and FSK schemes.
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