Open AccessBook
Introduction to RF Propagation
TLDR
In this paper, the authors present a review of the probability of propagation of electromagnetic signals in the presence of electromagnetic fields and their effects on the physical environment, as well as the link budget.Abstract:
Preface. 1. Introduction. 1.1 Frequency Designations. 1.2 Modes of Propagation. 1.3 Why Model Propagation? 1.4 Model Selection and Application. 1.4.1 Model Sources. 1.5 Summary. 2. Electromagnetics and RF Propagation. 2.1 Introduction. 2.2 The Electric Field. 2.3 The Magnetic Field. 2.4 Electromagnetic Waves. 2.5 Wave Polarization. 2.6 Propagation of Electromagnetic Waves at Material Boundaries. 2.7 Propagation Impairment. 2.8 Ground Effects on Circular Polarization. 2.9 Summary. 3. Antenna Fundamentals. 3.1 Introduction. 3.2 Antenna Parameters. 3.3 Antenna Radiation Regions. 3.4 Some Common Antennas. 3.5 Antenna Polarization. 3.6 Antenna Pointing loss. 3.7 Summary. 4. Communication Systems and the Link Budget. 4.1 Introduction. 4.2 Path Loss. 4.3 Noise. 4.4 Interference. 4.5 Detailed Link Budget. 4.6 Summary. 5. Radar Systems. 5.1 Introduction. 5.2 The Radar Range Equation. 5.3 Radar Measurements. 5.4 Clutter. 5.5 Atmospheric Impairments. 5.6 Summary. 6. Atmospheric Effects. 6.1 Introduction. 6.2 Atmospheric Refraction. 6.3 Atmospheric Attenuation. 6.4 Loss From Moisture and Precipitation. 6.5 Summary. 7. Near-Earth Propagation Models. 7.1 Introduction. 7.2 Foliage Models. 7.3 Terrain Modeling. 7.4 Propagation in Built-Up Areas. 7.5 Summary. 8. Fading and Multipath Characterization. 8.1 Introduction. 8.2 Ground-Bounce Multipath. 8.3 Large-Scale or Log-Normal Fading. 8.4 Small-Scale Fading. 8.5 Summary. 9. Indoor Propagation Modeling. 9.1 Introduction. 9.2 Interference. 9.3 The Indoor Environment. 9.4 Summary. 10. Rain Attenuation of Microwave and Millimeter Wave Signals. 10.1 Introduction. 10.2 Link Budget. 10.3 Rain Fades. 10.4 The Link Distance Chart. 10.5 Availability Curves. 10.6 Other Precipitation. 10.7 Cross-Polarization Effects. 10.8 Summary. 11. Satellite Communications. 11.1 Introduction. 11.2 Satellite Orbits. 11.3 Satellite Operating Frequency. 11.4 Satellite Path Free-Space Loss. 11.5 Atmospheric Attenuation. 11.6 Ionospheric Effects. 11.7 Rain Fades. 11.8 Antenna Considerations. 11.10 Summary. 12. RF Safety. 12.1 Introduction. 12.2 Biological Effects of RF Exposure. 12.3 CC Guidelines. 12.4 Antenna Considerations. 12.5 FCC Computations. 12.6 Station Evaluations. 12.7 Summary. Appendix A: Review of Probability for Propagation Modeling. Index.read more
Citations
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Journal ArticleDOI
Ambient RF Energy-Harvesting Technologies for Self-Sustainable Standalone Wireless Sensor Platforms
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TL;DR: A benchmarking prototype of an embedded microcontroller-enabled sensor platform has been successfully powered by an ambient ultrahigh-frequency (UHF) digital TV signal where a broadcasting antenna is 6.3 km away from the proposed wireless energy-harvesting device.
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Fusion of WiFi, Smartphone Sensors and Landmarks Using the Kalman Filter for Indoor Localization
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References
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Book
Probability, random variables and stochastic processes
TL;DR: This chapter discusses the concept of a Random Variable, the meaning of Probability, and the axioms of probability in terms of Markov Chains and Queueing Theory.
Book
Probability, random variables, and stochastic processes
TL;DR: In this paper, the meaning of probability and random variables are discussed, as well as the axioms of probability, and the concept of a random variable and repeated trials are discussed.
Book
Radio Propagation in Cellular Networks
TL;DR: In this paper, the authors provide a comprehensive description of propagation phenomena in urban, suburban, and rural environments to improve the efficiency of wireless communications systems, including analysis of free space propagation over regular and irregular terrain, reflection and diffraction by various obstacles, including hills, buildings and trees, and the effects of scattering due to such obstacles and terrain.
Journal ArticleDOI
Particle-size distribution of Iraqi sand and dust storms and their influence on microwave communication systems
TL;DR: In this article, the particle-size distribution (PSD) of windblown and dustfall samples were collected in the spring, summer, and autumn of 1984 at 20 m above the ground surface during severe sand and dust storms in the city of Baghdad, Iraq.
Journal ArticleDOI
New techniques for predicting the multipath fading distribution on VHF/UHF/SHF terrestrial line-of-sight links in Canada
R. L. Olsen,B. Segal +1 more
TL;DR: These methods are the first to employ refractivity gradient statistics in the predictions and to cover the VHF/UHF bands in addition to the SHF band and some guidance is also given to the designer on the path clearances required to minimize the effects of multipath fading.