Transceiver and System Design for Digital Communications / Edition 2

Transceiver and System Design for Digital Communications / Edition 2

by Scott R. Bullock
     
 

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ISBN-10: 1884932142

ISBN-13: 9781884932144

Pub. Date: 01/28/2000

Publisher: Institution of Engineering and Technology (IET)

KEY FEATURES

• Provides an understanding of concepts in wireless, data link, and digital communication techniques for both commercial and military sectors.

• Covers digital modulation, spread spectrum modulation and demodulation, link budgets, error detection and correction, probability applications, and a broad coverage of all the

Overview

KEY FEATURES

• Provides an understanding of concepts in wireless, data link, and digital communication techniques for both commercial and military sectors.

• Covers digital modulation, spread spectrum modulation and demodulation, link budgets, error detection and correction, probability applications, and a broad coverage of all the elements that make up a digital modulated data link.

• Includes extra topics such as: adaptive process to mitigate narrow band jammers in a broadband communications link, GPS, multipath, and satellite communications. Also includes Link 16, JTRS, military radios, networking link budgets, Eb/No, BER, Pe, direct sequence spread spectrum transmitters, PN code generators, DSPs, AGC, pulsed matched filters, PPM, CDMA, carrier recovery, matched filters & sliding correlators, eye pattern, phase detection, Gaussian processes, quantization error, antijam, adaptive filters, intercept receivers, GPS.

Product Details

ISBN-13:
9781884932144
Publisher:
Institution of Engineering and Technology (IET)
Publication date:
01/28/2000
Pages:
256
Product dimensions:
6.34(w) x 9.34(h) x 0.82(d)

Table of Contents

Preface

About the Author

1 Transceiver Design

1.1 Frequency of Operation

1.2 The Link Budget

1.3 Power in dBm

1.4 Transmitter

1.5 Channel

1.6 Receiver

1.7 Summary

2 The Transmitter

2.1 Basic Functions of the Transmitter

2.2 Voltage Standing Wave Ratio

2.3 Digital Communications

2.4 Digital Modulation

2.5 Direct Sequence Spread Spectrum

2.6 Other Forms of Spread Spectrum Transmissions

2.7 Multiple Users

2.8 Power Control

2.9 Summary

3 The Receiver

3.1 Superheterodyne Receiver

3.2 Antenna

3.3 Transmit/Receive Control

3.4 Limiters

3.5 Image Reject Filter/Band Reject Filter

3.6 Dynamic Range/Minimum Detectable Signal

3.7 Types of DR

3.8 Second- and Third-Order Intermodulation Products

3.9 Calculating Two-Tone Frequency DR

3.10 System DR

3.11 Tangential Sensitivity

3.12 Low-Noise Amplifier

3.13 Downconversion

3.14 Splitting Signals into Multiple Bands for Processing

3.15 Phase Noise

3.16 Mixers

3.17 Bandwidth Constraints

3.18 Filter Constraints

3.19 Group Delay

3.20 Sampling Theorem and Aliasing

3.21 Anti-Aliasing Filter

3.22 Analog-to-Digital Converter

3.23 Digital Signal Processing

3.24 Summary

4 AGC Design and PLL Comparison

4.1 AGC Design

4.2 AGC Amplifier Curve

4.3 Linearizers

4.4 Detector

4.5 Loop Filter

4.6 Threshold Level

4.7 Integrator

4.8 Control Theory Analysis

4.9 Modulation FrequencyDistortion

4.10 Comparison of the PLL and AGC Using Feedback Analysis Techniques

4.11 Basic PLL

4.12 Comparisons of the PLL and AGC

4.13 Detector

4.14 Loop Filter

4.15 Loop Gain Constant

4.16 Integrator

4.17 Conversion Gain Constant

4.18 Control Theory Analysis

4.19 Similarities Between the AGC and the PLL

4.20 Feedback Systems and Oscillations

4.21 Summary

5 Demodulation

5.1 Types of Demodulation

5.2 Pulsed Matched Filter

5.3 Digital Matched Filter Correlator

5.4 Pulse Position Modulation

5.5 Code Division Encoding and Decoding

5.6 Coherent versus Differential Digital Modulation and Demodulation

5.7 Carrier Recovery

5.8 Despreading Correlator

5.9 Symbol Synchronizer

5.10 The Eye Pattern

5.11 Digital Processor

5.12 Intersymbol Interference

5.13 Scrambler/Descrambler

5.14 Phase-Shift Detection

5.15 Shannon's Limit

5.16 Summary

6 Basic Probability and Pulse Theory

6.2 The Gaussian Process

6.3 Quantization and Sampling Errors

6.4 Probability of Error

6.5 Probability of Detection and False Alarms

6.6 Pulsed System Probabilities Using the BDF

6.7 Error Detection and Correction

6.8 Viterbi Decoder

6.9 Additional FEC Codes

6.10 Theory of Pulse Systems

6.11 PN Code

6.12 Summary

7 Multipath

7.1 Basic Types of Multipath

7.2 Specular Reflection on a Smooth Surface

7.3 Specular Reflection on a Rough Surface

7.4 Diffuse Reflection

7.5 Curvature of the Earth

7.6 Pulse Systems (Radar)

7.7 Vector Analysis Approach

7.8 Power Summation Approach

7.9 Summary

8 Improving the System Against Jammers

8.1 Burst Jammer

8.2 Adaptive Filter

8.3 Digital Filter Intuitive Analysis

8.4 Basic Adaptive Filter

8.5 Least Mean Square Algorithm

8.6 Digital/Analog ALE

8.7 Wideband ALE Jammer Suppressor Filter

8.8 Digital Circuitry

8.9 Simulation

8.10 Results

8.11 Amplitude and Phase Suppression Results

8.12 Gram-Schmidt Orthogonalizer

8.13 Basic GSO

8.14 Adaptive GSO Implementation

8.15 Intercept Receiver Comparison

8.16 Summary

9 Global Navigation Satellite Systems

9.1 Satellite Transmissions

9.2 Data Signal Structure

9.3 GPS Receiver

9.4 Atmospheric Errors

9.5 Multipath Errors

9.6 Narrow Correlator

9.7 Selective Availability

9.8 Carrier Smoothed Code

9.9 Differential GPS

9.10 DGPS Time Synchronization

9.11 Relative GPS

9.12 Doppler

9.13 Kinematic Carrier Phase Tracking

9.14 Double Difference

9.15 Wide Lane/Narrow Lane

9.16 Other Satellite Positioning Systems

9.17 Summary

10 Satellite Communications

10.1 Communications Satellites

10.2 General Satellite Operation

10.3 Fixed Satellite Service

10.4 Geosynchronous and Geostationary Orbits

10.5 Ground Station Antennas

10.6 Noise and the Low-Noise Amplifier

10.7 The Link Budget

10.8 Multiple Channels in the Same Frequency Band

10.9 Multiple Access Schemes

10.10 Propagation Delay

10.11 Cost for Use of the Satellites

10.12 Regulations

10.13 Types of Satellites Used for Communications

10.14 System Design for Satellite Communications

10.15 Summary

11 Broadband Communications and Networking

11.1 Mobile Users

11.2 Types of Distribution Methods for the Home

11.3 Home Phoneline Networking Alliance

11.4 Radio Frequency Communications

11.5 Military Radios and Data Links

11.6 Summary

12 Direction Finding and Interferometer Analysis

12.1 Interferometer Analysis

12.2 Direction Cosines

12.3 Basic Interferometer Equation

12.4 Three-Dimensional Approach

12.5 Antenna Position Matrix

12.6 Coordinate Conversion Due to Pitch and Roll

12.7 Using Direction Cosines

12.8 Alternate Method

12.9 Summary

Answers

Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Chapter 7

Chapter 8

Chapter 9

Chapter 10

Chapter 11

Chapter 12

Appendices

Appendix A

Appendix B

Appendix C

Appendix D

Index

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