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Introduction to Radio Propagation for Fixed and Mobile Communications John Doble

Introduction to Radio Propagation for Fixed and Mobile Communications von John Doble

Introduction to Radio Propagation for Fixed and Mobile Communications John Doble

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Zusammenfassung

Explores fixed-link propagation and relates basic concepts to more complex situations faced in the mobile environment. The text shows how and why propagation occurs, and demonstrates useful techniques for minimizing transmission degradation and optimizing signal performance.

Introduction to Radio Propagation for Fixed and Mobile Communications Zusammenfassung

Introduction to Radio Propagation for Fixed and Mobile Communications John Doble

Gain a better understanding of the propagation effects you're likely to encounter when working in fixed-link and mobile radio systems with this clear, practical guide. This book explores fixed-link propagation and relates the concepts to the more complex situations you face in the mobile environment.

Über John Doble

John Doble has over 40 years experience in radio and satellite communications, most of which have been with British Telecom Research Laboratories in the UK. Currently a visiting lecturer on the subject of antenna propagation, he earned his B.S. in electrical engineering from London University.

Inhaltsverzeichnis

Radio Refractive Index: Background to Microwave Radio Links. The Sea-Level Value of the RRI and its Variation with Height. The Measurement of RRI. Deviations from Normal Lapse Rate. Fading on Microwave Systems: The Mechanics of Fading. The Effect of Fading on System Performance. The Effect of Fading on Antenna Performance. The Use of Diversity to Reduce System Performance Degradation: Frequency Diversity. Space Diversity. Angle Diversity. The Relative Merits of the Three Types of Diversity. Propagation Induced Interference: Adjacent Channel Interference. Co-Channel Interference. Nodal Interference. Rain Attenuation and Molecular Absorption: Polarization and Frequency Sensitivity of Rain Attenuation. Sources of Rain-Rate Data. Using Rain-Rate Data to Calculate Path Attenuation. The Prediction of Rain Attenuation. Path Diversity. Molecular Absorption. System Outage Modelling: CCIR Performance Objectives for Analog Systems. Multipath Prediction Models. CCIR Performance for Digital Systems. System Signatures. Performance Prediction Models for Digital Systems. System Planning: Basic Transmission Information. General Planning Concepts. Basic Propagation Topics: The Different Types of Mobile Services. A General Discussion. Basic Propagation. Antenna Effects. Radio Noise. Prediction Methods, Models and Measurements for Mobile Systems in Rural, Suburban, and Urban Locations: Path Loss Predictions at VHF and UHF. Path Loss Predictions at the Lower Microwave Frequencies. Practical Measurements of Path Loss. Delay Measurements. Propagation Aspects of Cellular Radio Systems: The Evolution of Cellular Radio Systems. A Basic Description of Analog Cellular Radio. Digital Cellular Systems. System Capacity Engineering. COST 231 Definitions of Cell Types. Miscellaneous Topics. Communication Into and Within Buildings: Background. Building Penetration Loss. In-Building Losses. Comments on Available Models. Anomalous Experimental Results. Propagation in Fixed and Mobile Systems -- A Comparison: Path Loss. Multipath and Mean Depression Fading. Multipath Delays. Diversity. Frequency Re-Use.

Zusätzliche Informationen

GOR013481790
9780890065297
0890065292
Introduction to Radio Propagation for Fixed and Mobile Communications John Doble
John Doble
Mobile Communications Library
Gebraucht - Sehr Gut
Gebundene Ausgabe
Artech House Publishers
1996-09-01
216
N/A
Die Abbildung des Buches dient nur Illustrationszwecken, die tatsächliche Bindung, das Cover und die Auflage können sich davon unterscheiden.
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