Cover image for Bandwidth-efficient digital modulation with application to deep-space communications
Title:
Bandwidth-efficient digital modulation with application to deep-space communications
Series:
Deep-space communications and navigation series
Publication Information:
Hoboken, N.J. : Wiley-Interscience, 2003
ISBN:
9780471445364

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30000010062042 TL694.T35 S55 2003 Open Access Book Book
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Summary

Summary

An important look at bandwidth-efficient modulations with applications to today's Space program

Based on research and results obtained at the California Institute of Technology's Jet Propulsion Laboratory, this timely book defines, describes, and then delineates the performance (power and bandwidth) of digital communication systems that incorporate a wide variety of bandwidth-efficient modulations appropriate for the design and implementation of space communications systems.

The author compares the performance of these systems in the presence of a number of practical (non-ideal) transmitter and receiver characteristics such as modulator and phase imbalance, imperfect carrier synchronization, and transmitter nonlinearity. Although the material focuses on the deep space applications developed at the Jet Propulsion Laboratory, the presentation is sufficiently broad as to be applicable to a host of other applications dealing with RF communications.

An important contribution to the scientific literature, Bandwidth-Efficient Digital Modulation with Application to Deep Space Communications
* was commissioned by the JPL Deep Space Communications and Navigation System Center of Excellence
* highlights many NASA-funded technical contributions pertaining to deep space communications systems
* is a part of the prestigious Deep Space Communications and Navigation Series

The Deep Space Communications and Navigation Series is authored by scientists and engineers with extensive experience in astronautics, communications, and related fields. It lays the foundation for innovation in the areas of deep space navigation and communications by disseminating state-of-the-art knowledge in key technologies.


Author Notes

Marvin K. Simon is currently a Senior Research Engineer at the California Institute of Technology's Jet Propulsion Laboratory.


Table of Contents

Forewordp. vii
Prefacep. ix
Chapter 1 Introductionp. 1
Chapter 2 Constant Envelope Modulationsp. 3
2.1 The Need for Constant Envelopep. 3
2.2 Quadriphase-Shift-Keying and Offset (Staggered) Quadriphase-Shift-Keyingp. 4
2.3 Differentially Encoded QPSK and Offset (Staggered) QPSKp. 8
2.4 [phi]/4-QPSK: A Variation of Differentially Encoded QPSK with Instantaneous Amplitude Fluctuation Halfway between That of QPSK and OQPSKp. 9
2.5 Power Spectral Density Considerationsp. 12
2.6 Ideal Receiver Performancep. 12
2.7 Performance in the Presence of Nonideal Transmittersp. 12
2.7.1 Modulator Imbalance and Amplifier Nonlinearityp. 12
2.7.2 Data Imbalancep. 26
2.8 Continuous Phase Modulationp. 26
2.8.1 Full Response--MSK and SFSKp. 27
2.8.2 Partial Response--Gaussian MSKp. 57
2.9 Simulation Performancep. 113
Referencesp. 116
Chapter 3 Quasi-Constant Envelope Modulationsp. 125
3.1 Brief Review of IJF-QPSK and SQORC and their Relation to FQPSKp. 129
3.2 A Symbol-by-Symbol Cross-Correlator Mapping for FQPSKp. 136
3.3 Enhanced FQPSKp. 143
3.4 Interpretation of FQPSK as a Trellis-Coded Modulationp. 146
3.5 Optimum Detectionp. 147
3.6 Suboptimum Detectionp. 152
3.6.1 Symbol-by-Symbol Detectionp. 152
3.6.2 Average Bit-Error Probability Performancep. 159
3.6.3 Further Receiver Simplifications and FQPSK-B Performancep. 161
3.7 Cross-Correlated Trellis-Coded Quadrature Modulationp. 166
3.7.1 Description of the Transmitterp. 168
3.7.2 Specific Embodimentsp. 172
3.8 Other Techniquesp. 177
3.8.1 Shaped Offset QPSKp. 177
Referencesp. 184
Chapter 4 Bandwidth-Efficient Modulations with More Envelope Fluctuationp. 187
4.1 Bandwidth-Efficient TCM with Prescribed Decoding Delay--Equal Signal Energiesp. 190
4.1.1 ISI-Based Transmitter Implementationp. 190
4.1.2 Evaluation of the Power Spectral Densityp. 195
4.1.3 Optimizing the Bandwidth Efficiencyp. 204
4.2 Bandwidth-Efficient TCM with Prescribed Decoding Delay--Unequal Signal Energiesp. 212
Referencesp. 218
Chapter 5 Strictly Bandlimited Modulations with Large Envelope Fluctuation (Nyquist Signaling)p. 219
5.1 Binary Nyquist Signalingp. 219
5.2 Multilevel and Quadrature Nyquist Signalingp. 223
Referencesp. 223
Chapter 6 Summaryp. 225
6.1 Throughput Performance Comparisonsp. 225
Referencesp. 226