Overview

This text provides a comprehensive description of the technical challenges inherent in wireless communications using diffuse infrared radiation. The potential for broadband data rates has sparked an explosion of recent research in wireless infrared communications. The focus is on the physical layer problem of establishing a robust point-to-point link. The author explores the fundamental limitations of the medium, identifies the dominant impediments to achieving high data rates, and proposes design strategies to counter them. The text introduces the reader to a wide range of topics, including optical design, multipath propagation, electronics design, modulation, and equalization. It should be a useful reference for both design engineers and communications theorists, and can also be used as a text for advanced courses on the subject.

Full Product Details

Author:   John R. Barry
Publisher:   Springer
Imprint:   Springer
Edition:   1994 ed.
Volume:   280
Dimensions:   Width: 15.50cm , Height: 1.20cm , Length: 23.50cm
Weight:   0.990kg
ISBN:  

9780792394761

ISBN 10:   0792394763
Pages:   181
Publication Date:   31 August 1994
Audience:   College/higher education ,  Professional and scholarly ,  Postgraduate, Research & Scholarly ,  Professional & Vocational
Format:   Hardback
Publisher's Status:   Active
Availability:   Out of print, replaced by POD  
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Table of Contents

1. Introduction.- 1.1 Comparison of Infrared and Radio Communications.- 1.2 The Wireless Infrared Channel.- 1.3 History of Wireless Infrared Communications.- 1.4 A High-Speed Wireless LAN.- 1.5 Optoelectronic Components.- 1.6 Outline.- 2. Link Analysis and Optics Design.- 2.1 Introduction.- 2.2 Thin-Film Optical Filters.- 2.3 Truncated Spherical Concentrators.- 2.4 Joint Optimization of Transmitter and Filter.- 2.5 Summary and Conclusions.- 3. Receiver Design.- 3.1 Introduction.- 3.2 Limitations on Photodetector Bandwidth.- 3.3 Analysis of Current-Feedback Pair.- 3.4 Optimal Filtering for Quadratic Noise Spectrum.- 3.5 Choosing the Right Transistor.- 3.6 Design Procedures.- 3.7 Optional Design Embellishments.- 3.8 Summary and Conclusions.- 4. Modeling Multipath Dispersion.- 4.1 Introduction.- 4.2 Models for Diffuse Reflectors and Transmitters.- 4.3 Multiple-Bounce Impulse Response.- 4.4 Simulation and Experimental Results.- 4.5 Multipath-Induced Power Penalty.- 4.6 Summary.- 5. Modulation and Equalization.- 5.1 Intensity Modulation and Direct Detection.- 5.2 Binary Modulation.- 5.3 Multi-Level Modulation.- 5.4 Discussion.- 5.5 ML Sequence Detection and Equalization for PPM.- 5.6 Coherent Optical Communication.- 5.7 Summary.- 6. System-Level Issues.- 6.1 Introduction.- 6.2 Single-Cell Architectures.- 6.3 Overlapping Cells.- 6.4 Summary.- 7. Conclusions and Future Work.- 7.1 Conclusions.- 7.2 Future Work.- References.- A. Power Efficiency on the Linear Gaussian-Noise Channel.

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