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Bandwidth-Efficient Digital Modulation with Application to Deep Space Communications. JPL Deep-Space Communications and Navigation Series

  • ID: 2178286
  • Book
  • February 2003
  • 232 Pages
  • John Wiley and Sons Ltd
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.

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Chapter 1: Introduction.

Chapter 2: Constant Envelope Modulations.

2.1 The Need for Constant Envelope.

2.2 Quadriphase–Shift–Keying and Offset (Staggered) Quadriphase–Shift–Keying.

2.3 Differentially Encoded QPSK and Offset (Staggered) QPSK.

2.4 /4–QPSK: A Variation of Differentially Encoded QPSK with Instantaneous Amplitude Fluctuation Halfway between That of QPSK and OQPSK.

2.5 Power Spectral Density Considerations.

2.6 Ideal Receiver Performance.

2.7 Performance in the Presence of  Nonideal Transmitters.

2.7.1 Modulator Imbalance and Amplifier Nonlinearity.

2.7.2 Data Imbalance.

2.8 Continuous Phase Modulation.

2.8.1 Full Response–MSK and SFSK.

2.8.2 Partial Response–Gaussian MSK.

2.9 Simulation Performance.


Chapter 3: Quasi–Constant Envelope Modulations.

3.1 Brief Review of IJF–QPSK and SQORC and their Relation to FQPSK.

3.2 A Symbol–by–Symbol Cross–Correlator Mapping for FQPSK.

3.3 Enhanced FQPSK.

3.4 Interpretation of FQPSK as a Trellis–Coded Modulation.

3.5 Optimum Detection.

3.6 Suboptimum Detection.

3.6.1 Symbol–by–Symbol Detection.

3.6.2 Average Bit–Error Probability Performance.

3.6.3 Further Receiver Simplifications and FQPSK–B Performance.

3.7 Cross–Correlated Trellis–Coded Quadrature Modulation.

3.7.1 Description of the Transmitter.

3.7.2 Specific Embodiments.

3.8 Other Techniques.

3.8.1 Shaped Offset QPSK.


Chapter 4: Bandwidth–Efficient Modulations with More Envelope Fluctuation.

4.1 Bandwidth–Efficient TCM with Prescribed Decoding Delay–Equal Signal Energie.

4.1.1 ISI–Based Transmitter Implementation.

4.1.2 Evaluation of the Power Spectral Density.

4.1.3 Optimizing the Bandwidth Efficiency.

4.2 Bandwidth–Efficient TCM with Prescribed Decoding Delay–Unequal Signal Energies.


Chapter 5: Strictly Bandlimited Modulations with Large Envelope Fluctuation (Nyquist Signaling).

5.1 Binary Nyquist Signaling.

5.2 Multilevel and Quadrature Nyquist Signaling.


Chapter 6: Summary.

6.1 Throughput Performance Comparisons.


Note: Product cover images may vary from those shown
Marvin K. Simon
Note: Product cover images may vary from those shown