The Physics and Mathematics of Electromagnetic Wave Propagation in Cellular Wireless Communication
(Sprache: Englisch)
An important resource that examines the physical aspects of wireless communications based on mathematical and physical evidence
The Physics and Mathematics of Electromagnetic Wave Propagation in Cellular Wireless Communicationdescribes the...
The Physics and Mathematics of Electromagnetic Wave Propagation in Cellular Wireless Communicationdescribes the...
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An important resource that examines the physical aspects of wireless communications based on mathematical and physical evidenceThe Physics and Mathematics of Electromagnetic Wave Propagation in Cellular Wireless Communicationdescribes the electromagnetic principles for designing a cellular wireless system and includes the subtle electromagnetic principles that are often overlooked in designing such a system. This important text explores both the physics and mathematical concepts used in deploying antennas for transmission and reception of electromagnetic signals and examines how to select the proper methodology from a wide range of scenarios.
In this much-needed guide, the authors--noted experts in the field--explore the principle of electromagnetics as developed through the Maxwellian principles and describe the properties of an antenna in the frequency domain. The text also includes a review of the characterization of propagation path loss in a cellular wireless environment and examines ultrawideband antennas and the mechanisms of broadband transmission of both power and information. This important resource:
* Includes a discussion of the shortcomings of a MIMO system from both theoretical and practical aspects
* Demonstrates how to deploy base station antennas with better efficiency
* Validates the principle and the theoretical analysis of electromagnetic propagation in cellular wireless communication
* Contains results of experiments that are solidly grounded in mathematics and physics
Written for engineers, researchers, and educators who are or plan to work in the field, The Physics and Mathematics of Electromagnetic Wave Propagation in Cellular Wireless Communicationoffers an essential resource for understanding the principles underpinning wireless communications.
Inhaltsverzeichnis zu „The Physics and Mathematics of Electromagnetic Wave Propagation in Cellular Wireless Communication “
Preface xiAcknowledgments xvii
1 The Mystery of Wave Propagation and Radiation from an Antenna 1
Summary 1
1.1 Historical Overview of Maxwell's Equations 3
1.2 Review of Maxwell-Hertz-Heaviside Equations 5
1.2.1 Faraday's Law 5
1.2.2 Generalized Ampere's Law 8
1.2.3 Gauss's Law of Electrostatics 9
1.2.4 Gauss's Law of Magnetostatics 10
1.2.5 Equation of Continuity 11
1.3 Development of Wave Equations 12
1.4 Methodologies for the Solution of the Wave Equations 16
1.5 General Solution of Maxwell's Equations 19
1.6 Power (Correlation) Versus Reciprocity (Convolution) 24
1.7 Radiation and Reception Properties of a Point Source Antenna in Frequency and in Time Domain 28
1.7.1 Radiation of Fields from Point Sources 28
1.7.1.1 Far Field in Frequency Domain of a Point Radiator 29
1.7.1.2 Far Field in Time Domain of a Point Radiator 30
1.7.2 Reception Properties of a Point Receiver 31
1.8 Radiation and Reception Properties of Finite-Sized Dipole-Like Structures in Frequency and in Time 33
1.8.1 Radiation Fields from Wire-Like Structures in the Frequency Domain 33
1.8.2 Radiation Fields from Wire-Like Structures in the Time Domain 34
1.8.3 Induced Voltage on a Finite-Sized Receive Wire-Like Structure Due to a Transient Incident Field 34
1.8.4 Radiation Fields from Electrically Small Wire-Like Structures in the Time Domain 35
1.9 An Expose on Channel Capacity 44
1.9.1 Shannon Channel Capacity 47
1.9.2 Gabor Channel Capacity 51
1.9.3 Hartley-Nyquist-Tuller Channel Capacity 53
1.10 Conclusion 56
References 57
2 Characterization of Radiating Elements Using Electromagnetic Principles in the Frequency Domain 61
Summary 61
2.1 Field Produced by a Hertzian Dipole 62
2.2 Concept of
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Near and Far Fields 65
2.3 Field Radiated by a Small Circular Loop 68
2.4 Field Produced by a Finite-Sized Dipole 70
2.5 Radiation Field from a Finite-Sized Dipole Antenna 72
2.6 Maximum Power Transfer and Efficiency 74
2.6.1 Maximum Power Transfer 75
2.6.2 Analysis Using Simple Circuits 77
2.6.3 Computed Results Using Realistic Antennas 81
2.6.4 Use/Misuse of the S-Parameters 84
2.7 Radiation Efficiency of Electrically Small Versus Electrically Large Antenna 85
2.7.1 What is an Electrically Small Antenna (ESA)? 86
2.7.2 Performance of Electrically Small Antenna Versus Large Resonant Antennas 86
2.8 Challenges in Designing a Matched ESA 90
2.9 Near- and Far-Field Properties of Antennas Deployed Over Earth 94
2.10 Use of Spatial Antenna Diversity 100
2.11 Performance of Antennas Operating Over Ground 104
2.12 Fields Inside a Dielectric Room and a Conducting Box 107
2.13 The Mathematics and Physics of an Antenna Array 120
2.14 Does Use of Multiple Antennas Makes Sense? 123
2.14.1 Is MIMO Really Better than SISO? 132
2.15 Signal Enhancement Methodology Through Adaptivity on Transmit Instead of MIMO 138
2.16 Conclusion 148
Appendix 2A Where Does the Far Field of an Antenna Really Starts Under Different Environments? 149
Summary 149
2A.1 Introduction 150
2A.2 Derivation of the Formula 2D²/lambda 153
2A.3 Dipole Antennas Operating in Free Space 157
2A.4 Dipole Antennas Radiating Over an Imperfect Ground 162
2A.5 Epilogue 164
References 167
3 Mechanism of Wi
2.3 Field Radiated by a Small Circular Loop 68
2.4 Field Produced by a Finite-Sized Dipole 70
2.5 Radiation Field from a Finite-Sized Dipole Antenna 72
2.6 Maximum Power Transfer and Efficiency 74
2.6.1 Maximum Power Transfer 75
2.6.2 Analysis Using Simple Circuits 77
2.6.3 Computed Results Using Realistic Antennas 81
2.6.4 Use/Misuse of the S-Parameters 84
2.7 Radiation Efficiency of Electrically Small Versus Electrically Large Antenna 85
2.7.1 What is an Electrically Small Antenna (ESA)? 86
2.7.2 Performance of Electrically Small Antenna Versus Large Resonant Antennas 86
2.8 Challenges in Designing a Matched ESA 90
2.9 Near- and Far-Field Properties of Antennas Deployed Over Earth 94
2.10 Use of Spatial Antenna Diversity 100
2.11 Performance of Antennas Operating Over Ground 104
2.12 Fields Inside a Dielectric Room and a Conducting Box 107
2.13 The Mathematics and Physics of an Antenna Array 120
2.14 Does Use of Multiple Antennas Makes Sense? 123
2.14.1 Is MIMO Really Better than SISO? 132
2.15 Signal Enhancement Methodology Through Adaptivity on Transmit Instead of MIMO 138
2.16 Conclusion 148
Appendix 2A Where Does the Far Field of an Antenna Really Starts Under Different Environments? 149
Summary 149
2A.1 Introduction 150
2A.2 Derivation of the Formula 2D²/lambda 153
2A.3 Dipole Antennas Operating in Free Space 157
2A.4 Dipole Antennas Radiating Over an Imperfect Ground 162
2A.5 Epilogue 164
References 167
3 Mechanism of Wi
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Autoren-Porträt von Tapan K. Sarkar, Magdalena Salazar Palma, Mohammad Najib Abdallah
Tapan K. Sarkar, PhD, is a professor in the Department of Electrical Engineering and Computer Science at Syracuse University, New York, USA.Magdalena Salazar Palma, PhD, is a professor in the Department of Signal Theory and Communications at Universidad Carlos III de Madrid, Spain.
Mohammad Najib Abdallah, PhD, is a researcher at Syracuse University.
Bibliographische Angaben
- Autoren: Tapan K. Sarkar , Magdalena Salazar Palma , Mohammad Najib Abdallah
- 2018, 1. Auflage, 416 Seiten, Masse: 15,9 x 23,8 cm, Gebunden, Englisch
- Verlag: Wiley & Sons
- ISBN-10: 1119393116
- ISBN-13: 9781119393115
Sprache:
Englisch
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