Simulink Tutorial on Digital Modulation Methods - Cengage Learning
Simulink Tutorial on Digital Modulation Methods - Cengage Learning Simulink Tutorial on Digital Modulation Methods - Cengage Learning
604 CHAPTER 13. SIMULINK TUTORIAL ON DIGITAL MODULATION 13.5.3 Binary Phase Shift Keying with Square-Root Raised-Cosine Pulses Choose BPSK > Root-RC Figure 13.47: Source signal a(t) Figure 13.48: Baseband signal s(t) Figure 13.49: Transmitted signal u(t) Figure 13.50: Signal x(t) at matched filter input in order to investigate BPSK with square-root raised-cosine pulses. The time domain signals, eye patterns, and scatter plots are depicted in Figures 13.47 to 13.56. © 2013 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
13.5. BINARY PHASE-SHIFT KEYING (BPSK) 605 Carry out the same experiments as in the previous section for raised-cosine pulses. Note that now the zero ISI condition is met at the matched filter output. Therefore, in the sequel we will only consider the relevant case of a square-root raised-cosine transmit filter. Figure 13.51: Demodulated baseband signal s_r(t) at matched filter output Figure 13.53: Eye pattern at the transmitter for BPSK with square-root raisedcosine pulses Figure 13.52: Sink signal v(t) Figure 13.54: Eye pattern at the receiver for BPSK with square-root raised-cosine pulses © 2013 Cengage Learning. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
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- Page 9 and 10: 13.4. PULSE SHAPING 581 Figure 13.1
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- Page 13 and 14: 13.4. PULSE SHAPING 585 Summation o
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- Page 17 and 18: 13.4. PULSE SHAPING 589 Figure 13.1
- Page 19 and 20: 13.4. PULSE SHAPING 591 Figure 13.1
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- Page 43 and 44: 13.7. OFFSET-QPSK 615 Figure 13.83:
- Page 45 and 46: 13.7. OFFSET-QPSK 617 3. How do the
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13.5. BINARY PHASE-SHIFT KEYING (BPSK) 605<br />
Carry out the same experiments as in the previous secti<strong>on</strong> for raised-cosine pulses.<br />
Note that now the zero ISI c<strong>on</strong>diti<strong>on</strong> is met at the matched filter output. Therefore,<br />
in the sequel we will <strong>on</strong>ly c<strong>on</strong>sider the relevant case of a square-root raised-cosine<br />
transmit filter.<br />
Figure 13.51: Demodulated baseband signal s_r(t) at matched filter output<br />
Figure 13.53: Eye pattern at the transmitter<br />
for BPSK with square-root raisedcosine<br />
pulses<br />
Figure 13.52: Sink signal v(t)<br />
Figure 13.54: Eye pattern at the receiver<br />
for BPSK with square-root raised-cosine<br />
pulses<br />
© 2013 <strong>Cengage</strong> <strong>Learning</strong>. All Rights Reserved. May not be scanned, copied or duplicated, or posted to a publicly accessible website, in whole or in part.
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