Cover image for Microwave and RF wireless systems
Title:
Microwave and RF wireless systems
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Publication Information:
New York : John Wiley & Sons, 2001
ISBN:
9780471322825

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30000004875765 TK5103.2 P59 2001 Open Access Book Book
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30000010064058 TK5103.2 P59 2001 Open Access Book Book
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Summary

Summary

David Pozar, author of Microwave Engineering, Second Edition, has written a new text that introduces students to the field of wireless communications. This text offers a quantitative and, design-oriented presentation of the analog RF aspects of modern wireless telecommunications and data transmission systems from the antenna to the baseband level. Other topics include noise, intermodulation, dynamic range, system aspects of antennas and filter design.

This unique text takes an integrated approach to topics usually offered in a variety of separate courses on topics such as antennas and proagation, microwave systems and circuits, and communication systems. This approach allows for a complete presentation of wireless telecommunications systems designs.

The author's goal with this text is for the student to be able to analyze a complete radio system from the transmitter through the receiver front-end, and quantitatively evaluate factors.

Suitable for a one-semester course, at the senior or first year graduate level. Note certain sections have been denoted as advanced topics, suitable for graduate level courses.


Author Notes

David Pozar is a professor of electrical and computer engineering at the University of Massachusetts at Amherst, where he has worked since 1980. Pozar has written numerous books on the topic of microwave engineering such as Microwave Engineering (1997) and Antenna Design Using Personal Computers (1985).

Pozar attended the University of Akron, earning both a BS and an MS in Electrical Engineering. He received his Ph.D. in Electrical Engineering from The Ohio State University in 1980. He is active in the IEEE Association and has won several awards from them for outstanding contributions. He has also received an outstanding senior faculty award and a R.W.P. King Best Paper award, among others.

An active speaker at trade meetings worldwide, Pozar is also interested in fine woodworking and has created reproductions of antique furniture. He is married and has two children.

(Bowker Author Biography)


Table of Contents

1 Introduction to Wireless Systemsp. 1
1.1 Wireless Systems and Marketsp. 2
Classification of Wireless Systemsp. 2
Cellular Telephone Systemsp. 3
Personal Communications Systemsp. 5
Satellite Systems for Wireless Voice and Datap. 6
Global Positioning Satellite Systemp. 7
Wireless Local Area Networksp. 9
Other Wirless Systemsp. 9
1.2 Design and Performance Issuesp. 11
Choice of Operating Frequencyp. 12
Multiple Access and Duplexingp. 13
Circuit Switching versus Packet Switchingp. 13
Propagationp. 14
Radiated Power and Safetyp. 15
Other Issuesp. 16
1.3 Introduction to Wireless System Componentsp. 16
Basic Radio Systemp. 17
Antennasp. 19
Filtersp. 19
Amplifiersp. 21
Mixersp. 22
Oscillatorsp. 22
Baseband Processingp. 23
1.4 Cellular Telephone Systems and Standardsp. 23
Cellular and the Public Switched Telephone Networkp. 23
AMPS Cellular Telephone Systemp. 24
Digital Personal Communications System Standardsp. 26
2 Transmission Lines and Microwave Networksp. 29
2.1 Transmission Linesp. 29
Lumped Element Model for a Transmission Linep. 30
Wave Propagation on a Transmission Linep. 31
Lossless Transmission Linesp. 32
Terminated Transmission Linesp. 33
Special Cases of Terminated Transmission Linesp. 36
Generator and Load Mismatchesp. 39
2.2 The Smith Chartp. 41
Derivation of the Smith Chartp. 42
Basic Smith Chart Operationsp. 44
Using The Admittance Smith Chartp. 45
2.3 Microwave Network Analysisp. 47
Impedance and Admittance Matricesp. 47
The Scattering Matrixp. 50
The Transmission (ABCD) Matrixp. 53
2.4 Impedance Matchingp. 55
The Quarter-Wave Transformerp. 56
Matching Using L-Sectionsp. 58
Single-Stub Tuningp. 61
3 Noise and Distortion in Microwave Systemsp. 68
3.1 Review of Random Processesp. 69
Probability and Random Variablesp. 69
The Cumulative Distribution Functionp. 69
The Probability Density Functionp. 70
Some Important Probability Density Functionsp. 71
Expected Valuesp. 71
Autocorrelation and Power Spectral Densityp. 72
3.2 Thermal Noisep. 74
Noise Voltage and Powerp. 74
3.3 Noise in Linear Systemsp. 77
Autocorrelation and Power Spectral Density in Linear Systemsp. 77
Gaussian White Noise through an Ideal Low-pass Filterp. 78
Gaussian White Noise through an Ideal Integratorp. 79
Mixing of Noisep. 80
Narrowband Representation of Noisep. 81
3.4 Basic Threshold Detectionp. 83
Probability of Errorp. 84
3.5 Noise Temperature and Noise Figurep. 87
Equivalent Noise Temperaturep. 87
Measurement of Noise Temperaturep. 88
Noise Figurep. 89
Noise Figure of a Lossy Linep. 90
Noise Figure of Cascaded Componentsp. 91
3.6 Noise Figure of Passive Networksp. 93
Noise Figure of a Passive Two-port Networkp. 94
Application to a Mismatched Lossy Linep. 95
Application to a Wilkinson Power Dividerp. 96
3.7 Dynamic Range and Intermodulation Distortionp. 98
Gain Compressionp. 99
Intermodulation Distortionp. 100
Third-Order Intercept Pointp. 101
Dynamic Rangep. 102
Intercept Point of Cascaded Componentsp. 104
Passive Intermodulationp. 106
4 Antennas and Propagation for Wireless Systemsp. 111
4.1 Antenna System Parametersp. 111
Fields and Power Radiated by an Antennap. 112
Far-Field Distancep. 114
Radiation Intensityp. 114
Radiation Patternsp. 115
Directivityp. 116
Radiation Efficiencyp. 117
Gainp. 118
Aperture Efficiencyp. 118
Effective Areap. 118
Antenna Polarizationp. 119
4.2 The Friis Equationp. 120
The Friis Equationp. 120
Effective Isotropic Radiated Powerp. 121
Impedance Mismatchp. 122
Polarization Mismatchp. 123
Equivalent Circuits for Transmit and Receive Antennasp. 124
4.3 Antenna Noise Temperaturep. 125
Background and Brightness Temperaturep. 125
Antenna Noise Temperaturep. 127
G/Tp. 129
4.4 Basic Practical Antennasp. 131
Electrically Small Dipole Antennap. 132
Half-Wave Dipole Antennap. 134
Monopole Antennap. 135
Sleeve Monopole Antennap. 136
Electrically Small Loop Antennap. 137
4.5 Propagationp. 138
Free-space Propagationp. 139
Ground Reflectionsp. 140
Path Loss for Ground Reflectionsp. 142
Realistic Path Lossp. 142
Attenuationp. 143
4.6 Fadingp. 144
Rayleigh Fadingp. 145
5 Filtersp. 151
5.1 Filter Design by the Insertion Loss Methodp. 152
Characterization by Power Loss Ratiop. 152
Maximally Flat Low-Pass Filter Prototypep. 154
Equal-Ripple Low-Pass Filter Prototypep. 157
Linear Phase Low-Pass Filter Prototypep. 158
5.2 Filter Scaling and Transformationp. 158
Impedance Scalingp. 158
Frequency scaling for low-pass filtersp. 159
Low-pass to High-pass Transformationp. 162
Bandpass and Bandstop Transformationp. 164
5.3 Low-Pass and High-Pass Filters Using Transmission Line Stubsp. 168
Richard's Transformationp. 168
Kuroda's Identitiesp. 169
5.4 Stepped-Impedance Low-Pass Filtersp. 173
Approximate Equivalent Circuits for Short Transmission Line Sectionsp. 174
5.5 Bandpass Filters Using Transmission Line Resonatorsp. 178
Impedance and Admittance Invertersp. 178
Bandpass Filters Using Quarter-Wave Coupled Quarter-Wave Resonatorsp. 179
Bandpass Filters Using Capacitively Coupled Quarter-Wave Resonatorsp. 183
6 Amplifiersp. 189
6.1 FET and Bipolar Transistor Modelsp. 190
Field Effect Transistorsp. 190
Bipolar Transistorsp. 192
6.2 Two-port Power Gainsp. 194
Definitions of Two-Port Power Gainsp. 194
Special Casesp. 197
Further Discussion of Two-Port Power Gainsp. 198
6.3 Stabilityp. 199
Stability Circlesp. 200
Tests for Unconditional Stabilityp. 202
6.4 Amplifier Design Using S Parametersp. 205
Design for Maximum Gainp. 205
Maximum Stable Gainp. 207
Constant Gain Circles and Design for Specified Gainp. 210
6.5 Low-noise Amplifier Designp. 214
6.6 Power Amplifiersp. 218
Characteristics of Power Amplifiers and Amplifier Classesp. 218
Large-Signal Characterization of Transistorsp. 219
Design of Class A Power Amplifiersp. 221
7 Mixersp. 225
7.1 Mixer Characteristicsp. 225
Frequency Conversionp. 225
Image Frequencyp. 227
Conversion Lossp. 228
Noise Figurep. 229
Intermodulation Distortionp. 230
Isolationp. 230
7.2 Diode Mixersp. 230
Small-Signal Diode Characteristicsp. 231
Single-Ended Mixerp. 232
Large-Signal Modelp. 233
Switching Modelp. 237
7.3 FET Mixersp. 239
Single-Ended FET Mixerp. 239
Other FET Mixersp. 242
7.4 Other Mixer Circuitsp. 243
Balanced Mixersp. 243
Small-Signal Analysis of the Balanced Mixerp. 245
Image Reject Mixerp. 246
8 Transistor Oscillators and Frequency Synthesizersp. 250
8.1 Radio Frequency Oscillatorsp. 251
General Analysisp. 251
Oscillators Using a Common Emitter BJTp. 252
Oscillators Using a Common Gate FETp. 254
Practical Considerationsp. 255
Crystal Oscillatorsp. 256
Voltage-Controlled Oscillatorsp. 258
8.2 Microwave Oscillatorsp. 258
Negative Resistance Oscillatorsp. 259
Transistor Oscillatorsp. 261
Dielectric Resonator Oscillatorsp. 264
8.3 Frequency Synthesis Methodsp. 268
Direct Synthesisp. 268
Digital Look-up Synthesisp. 269
Phase-Locked Loopsp. 271
Practical Synthesizer Circuitsp. 272
Fractional-N Phase-Locked Loopsp. 273
8.4 Phase-Locked Loop Analysisp. 273
Phase Detectorsp. 274
Transfer Function for the Voltage-Controlled Oscillatorp. 275
Analysis of Linearized Phase-Locked Loopp. 275
First-Order Loopp. 277
Second-Order Loopp. 278
8.5 Oscillator Phase Noisep. 280
Representation of Phase Noisep. 281
Leeson's Model for Oscillator Phase Noisep. 282
Effect of Phase Noise on Receiver Performancep. 285
9 Modulation Techniquesp. 288
9.1 Analog Modulationp. 288
Single-Sideband Modulationp. 289
Double-Sideband Suppressed-Carrier Modulationp. 292
Double-Sideband Large-Carrier Modulationp. 295
Envelope Detection of Double-Sideband Modulationp. 296
Frequency Modulationp. 298
9.2 Binary Digital Modulationp. 303
Binary Signalsp. 304
Amplitude Shift Keyingp. 304
Frequency Shift Keyingp. 306
Phase Shift Keyingp. 307
Carrier Synchronizationp. 309
9.3 Error Probabilities for Binary Modulationp. 309
PCM Signals and Detectorsp. 310
Synchronous ASKp. 311
Synchronous PSKp. 312
Synchronous FSKp. 313
Envelope Detection of ASKp. 313
Envelope Detection of FSKp. 316
Bit Rate and Bandwidth Efficiencyp. 317
Comparison of ASK, FSK, and PSK Systemsp. 318
9.4 Effect of Rayleigh Fading on Bit Error Ratesp. 320
Effect of Rayleigh Fading on Coherent PSKp. 321
Effect of Rayleigh Fading on Noncoherent FSKp. 322
Comparison of Faded and Nonfaded Error Ratesp. 322
9.5 M-ary Digital Modulationp. 324
Quadrature Phase Shift Keyingp. 325
Probability of Error for QPSKp. 327
M-ary Phase Shift Keyingp. 330
Quadrature Amplitude Modulationp. 330
Channel Capacityp. 331
10 Receiver Designp. 335
10.1 Receiver Architecturesp. 335
Receiver Requirementsp. 335
Tuned Radio Frequency Receiverp. 337
Direct Conversion Receiverp. 337
Superheterodyne Receiverp. 338
Duplexingp. 338
10.2 Dynamic Rangep. 340
Minimum Detectable Signalp. 341
Sensitivityp. 343
Dynamic Rangep. 343
Automatic Gain Controlp. 344
Compression and Third-order Intermodulationp. 346
10.3 Frequency Conversion and Filteringp. 347
Selection of IF Frequencyp. 347
Filteringp. 348
Spurious-free Rangep. 348
10.4 Examples of Practical Receiversp. 350
FM Broadcast Receiverp. 350
Digital Cellular Receiverp. 351
Millimeter Wave Point-to-Point Radio Receiverp. 352
Direct-Conversion GSM Receiverp. 355
Appendicesp. 357
A Wireless System Frequency Bandsp. 358
B Useful Mathematical Resultsp. 358
C Fourier and Laplace Transformsp. 359
D The Complementary Error Functionp. 360
E Chebyshev Polynomialsp. 361
F Decibels and Nepersp. 362
Indexp. 363