Digital Communication Systems Using SystemVue

Description

SystemVue (Formerly SystemView) by Agilent is a communication systems simulator with advanced capabilities for design, analysis, and implementation in DSP processors and in HDL. Digital Communication Systems Using SystemVue servers as an introduction to simulation for undergraduate students in a contemporary course, where it provides the opportunity to go beyond the lecture or the hardware laboratory. Graduate students in a rigorous first course will find the SystemVue simulation environment an adjunct to their understanding of the concepts of digital communication systems, facilitating their projects and theses. Professionals, once having had a course primarily in analog communications, will be able to acquaint themselves with modern digital communications in the SystemVue simulation environment. An extensive discussion of the precepts of digital communications is coupled with simulation models and observed results. With clear and concise descriptions this is an essential guide for anyone wishing to understand digital communication systems through simulations using SystemVue.

CONTENTS:

Dedication v
Acknowledgments vii
Preface xv
1 Communication Simulation Techniques 1
Capabilities and Limitations of Simulation 2
Introduction to SystemVue 3
Design Window 3
Design Toolbar 7
SystemVue Simulation Token Library 10
Source Token Library 10
Sink Token Library 14
Operator Token Library 16
Function Token Library 24
Communications Token Library 28
Logic Token Library 32
SystemVue Simulation Displays 37
Analysis Toolbar 40
Temporal Displays 44
Spectral Displays 46
Correlation Display 48
Dynamic System Probe 50
Analog Communication Systems Using SystemVue 50
Amplitude Modulation 51
Frequency Modulation 55
Summary 57
References 58
Contents
ix
2 Baseband Modulation and Demodulation 59
Rectangular Pulse Amplitude Modulation 60
SystemVue Simulation of Rectangular PAM 61
Rectangular PAM Power Spectral Density 64
Performance of Rectangular PAM in a Simple Receiver in AWGN 66
Performance of Filtered Rectangular PAM in a Simple Receiver
in AWGN 70
Sinc Pulse Amplitude Modulation 73
SystemVue Simulation of Sinc PAM 73
Sinc PAM Power Spectral Density 76
Performance of Sinc PAM in a Simple Receiver in AWGN 78
Raised Cosine Pulse Amplitude Modulation 81
SystemVue Simulation of Raised Cosine PAM 81
Raised Cosine PAM Power Spectral Density 84
Performance of Raised Cosine PAM in a Simple Receiver in AWGN 87
Optimum Binary Baseband Receiver: The Correlation Receiver 89
The Correlation Receiver for Baseband Symmetrical Signals 90
Probability of Bit Error for Baseband Symmetrical Signals 91
Performance of Symmetrical PAM for the Optimum Receiver
in AWGN 92
The Correlation Receiver for Baseband Asymmetrical Signals 94
Probability of Bit Error for Baseband Asymmetrical Signals 98
Performance of Asymmetrical PAM for the Optimum Receiver
in AWGN 99
Multilevel (M-ary) Pulse Amplitude Modulation 100
SystemVue Simulation of M-ary Rectangular PAM 101
M-ary Rectangular PAM Power Spectral Density 102
The Correlation Receiver for M-ary Baseband Signals 104
Probability of Bit Error for M-ary Baseband Signals 105
Performance of M-ary PAM for the Optimum Receiver in AWGN 108
Partial Response Signaling 112
Duobinary PAM Signaling 113
SystemVue Simulation of Duobinary PAM 114
x Contents
The Simple Receiver for Precoded Duobinary Signals 117
The Simple Receiver for Precoded Modified Duobinary Signals 121
Duobinary PAM Power Spectral Density 123
Performance of Duobinary PAM in a Simple Receiver in AWGN 126
Delta Modulation 128
Eye Diagrams 133
Summary 138
References 138
3 Bandpass Modulation and Demodulation 139
Optimum Bandpass Receiver: The Correlation Receiver 140
The Correlation Receiver for Bandpass Symmetrical Signals 141
Probability of Bit Error for Bandpass Symmetrical Signals 142
The Correlation Receiver for Bandpass Asymmetrical Signals 143
Probability of Bit Error for Bandpass Asymmetrical Signals 145
Binary Amplitude Shift Keying 146
SystemVue Simulation of Binary ASK 147
Binary ASK Power Spectral Density 149
Performance of Binary ASK for the Optimum Receiver in AWGN 153
Binary Frequency Shift Keying 154
SystemVue Simulation of Binary FSK 155
Binary FSK Power Spectral Density 157
Performance of Binary FSK for the Optimum Receiver in AWGN 161
Binary Phase Shift Keying 162
SystemVue Simulation of Binary PSK 162
Binary PSK Power Spectral Density 164
Performance of Binary PSK for the Optimum Receiver in AWGN 166
Multilevel (M-ary) Amplitude Shift Keying 167
SystemVue Simulation of M-ary ASK 167
M-ary ASK Power Spectral Density 171
The Correlation Receiver for M-ary ASK Signals 173
Probability of Bit Error for M-ary ASK Signals 173
Performance of M-ary ASK for the Optimum Receiver in AWGN 175
Contents xi
Multilevel (M-ary) Frequency Shift Keying 177
SystemVue Simulation of M-ary FSK 177
M-ary FSK Power Spectral Density 180
The Correlation Receiver for M-ary FSK Signals 182
Probability of Bit Error for M-ary FSK Signals 183
Performance of M-ary FSK for the Optimum Receiver in AWGN 183
Multilevel (M-ary) Phase Shift Keying 184
SystemVue Simulation of M-ary PSK 185
M-ary PSK Power Spectral Density 190
Probability of Bit Error for M-ary PSK Signals 192
Performance of M-ary PSK for the Optimum Receiver in AWGN 193
Quadrature Amplitude Modulation 194
SystemVue Simulation of QAM 195
QAM Power Spectral Density 199
Probability of Bit Error for QAM Signals 200
Performance of QAM for the Optimum Receiver in AWGN 201
Differential Phase Shift Keying 202
SystemVue Simulation of DPSK 203
DPSK Power Spectral Density 205
Probability of Bit Error for DPSK Signals 206
Performance of DPSK for the Optimum Receiver in AWGN 207
Differential Quaternary Phase Shift Keying 208
SystemVue Simulation of DQPSK 209
DQPSK Power Spectral Density 214
Probability of Bit Error for DQPSK Signals 214
Performance of DQPSK for the Optimum Receiver in AWGN 214
Noncoherent Demodulation of Binary Frequency Shift Keying 215
SystemVue Simulation of Noncoherent Binary FSK 216
Probability of Bit Error for Noncoherent Binary FSK Signals 218
Performance of Noncoherent Binary FSK in AWGN 219
Noncoherent Demodulation of Binary Amplitude Shift Keying 220
SystemVue Simulation of Noncoherent Binary ASK 221
Probability of Bit Error for Noncoherent Binary ASK Signals 223
xii Contents
Performance of Noncoherent Binary ASK in AWGN 223
Threshold for Demodulation of Noncoherent Binary ASK 225
Constellation Plots 227
Summary 230
References 230
4 Synchronization and Equalization 231
Acquisition and Tracking of Synchronization 232
Carrier Frequency and Phase Synchronization 233
Symbol Synchronization 241
Equalization of Bandlimited Channels 246
Channel Models 249
Summary 251
References 251
5 Multiplexing 253
Time Division Multiplexing 254
Frequency Division Multiplexing 258
Code Division Multiplexing 264
Direct Sequence Spread Spectrum 276
SystemVue Simulation of DSSS 278
Performance of DSSS with Interference 282
Signal to Noise Ratio in DSSS 284
Probability of Bit Error Bit in Multiple Access Interference in DSSS 284
Frequency Hopping Spread Spectrum 286
SystemVue Simulation of FHSS 287
Performance of FHSS in AWGN 293
Jamming in FHSS 294
Orthogonal Frequency Division Multiplexing 295
Summary 299
References 300
Contents xiii
6 Sampling and Quantization 301
Sampling Baseband Analog Signals 302
Companding 312
Pulse Code Modulation 317
Line Codes 320
Power Spectral Density of Line Codes 321
Polar NRZ Line Code 323
Unipolar NRZ Line Code 324
Alternate Mark Inversion NRZ Line Code 325
Split-Phase NRZ Line Code 327
Return-to-Zero Line Codes 327
SystemVue Simulation of Line Codes 328
Differential Pulse Code Modulation 333
Sampling Bandpass Analog Signals 339
Summary 342
References 342
About the CD-ROM 343
System Requirements 344
SystemVue Simulation Models 344
Bibliography 347
Index 349
xiv Contents