Now in a 3rd edition, this successful book provides an intuitive approach to transceiver design, allowing a broad spectrum of readers to understand the topics clearly.

It covers a wide range of data link communication design techniques, including link budgets, dynamic range and system analysis of receivers and transmitters used in data link communications, digital modulation and demodulation techniques of phase-shift keyed and frequency hopped spread spectrum systems using phase diagrams, multipath, gain control, an intuitive approach to probability, jamming reduction method using various adaptive processes, global positioning systems (GPS) data link, and direction-finding and interferometers, plus a section on broadband communications and home networking. Various techniques and designs are evaluated for modulating and sending digital data. Thus readers gain a firm understanding of the processes needed to effectively design wireless data link communication systems.

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.

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 Frequency Distortion
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
Appendices

Scott R. Bullock received his BSEE degree from Brigham Young University in 1979 and his MSEE degree from University of Utah in 1988. He has worked, consulted, and held positions at TI, Omnipoint, E-Systems, Fellow at Raytheon Missile Systems, Senior Director at MKS/ENI, Director at Titan, VP at Phonex Broadband, and VP at L3 communications Satellite Networks.

Mr. Bullock specializes in data link design and system analysis. He currently holds 18 patents in the areas of spread spectrum wireless data links, frequency hop detectors, and adaptive filters. He has published several articles in spread spectrum, data links, direction finding, multipath, adaptive filters, AGCs/PLLs, and presented a paper on a D8PSK data link at the AIAA/IEEE 14th DASC conference. His analysis and designs include; Spread Spectrum Microscan Receiver, Spread Spectrum Environment Simulator, anti-jam LPI data links for both military and commercial products, high frequency Adaptive Filter, Frequency Hop detector, handheld PCS spread spectrum wireless telephone and data products, GPS data link for SCAT-I aircraft landings where he was an active participant and made a presentation at the RTCA meetings in Washington DC for establishing the data link standard. Developed commercial products including wireless telephone jacks, modems, broadband communications and networking for home use, and digital satellite systems. Mr. Bullock is presently involved with the development of wireless anti-jam, low probability of intercept, data links for missile systems and unmanned airborne vehicles.

Mr. Bullock is also the author of Broadband Communications and Home Networking (2000), also published by SciTech Publishing.