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Terrestrial Wireless Optical Communication

Book Description

A practical guide to next-generation wireless terrestrial optical communication through the atmospheric channel

Terrestrial Wireless Optical Communication provides in-depth details on free space optics (FSO), from basic concepts to design implementation. The book explains channel characteristics in the near-IR and IR range of the spectrum, atmospheric channel models, modulation and detection techniques, optimal performance, capacity enhancement methods, and forward-error coding schemes. Link and system design issues, reliability, and safety standards are also discussed. The information in this essential guide enables you to deliver cost-effective and transparent wireless network interoperability and expandability.

Coverage includes:

  • Introduction--optical wireless communication systems
  • Wireless optical channels
  • Channel modeling
  • Modulation techniques
  • Diversity and detection techniques in optical fading channels
  • Channel capacity
  • Coding in FSO channels
  • FSO link and system design

Table of Contents

  1. Cover
  2. Terrestrial Wireless Optical Communication
  3. Copyright Page
  4. Dedication
  5. Contents
  6. Preface
  7. Acknowledgements
  8. 1. Introduction—Optical Wireless Communication Systems
    1. 1.1 Advantages and Disadvantages
    2. 1.2 Classification
    3. 1.3 Future Scope of FSO
    4. 1.4 Structure of the Book
    5. References
  9. 2. Wireless Optical Channels
    1. 2.1 Free Space Optics Outdoor Channels
    2. 2.2 Propagation in Terrestrial Link
    3. 2.3 Wireless Optical Space Links
    4. 2.4 Indoor Propagation Media
    5. Summary
    6. References
    7. Further Reading
  10. 3. Channel Modeling
    1. 3.1 Large and Small-Scale Signal Variation
    2. 3.2 Input/Output Model of the Optical Intensity Wireless Channel
    3. 3.3 Statistical Channel Modeling of FSO
    4. 3.4 System Optical Transfer Function
    5. 3.5 Indoor Channel Modeling
    6. 3.6 Modeling Noise Sources in FSO
    7. Summary
    8. References
  11. 4. Modulation Techniques
    1. 4.1 Constraints of the Channel
    2. 4.2 Types of Modulation Schemes
    3. 4.3 Selection Criteria
    4. 4.4 Vector Channel Modeling and Optimum Detection
    5. 4.5 Minimum Power and Spectral Bandwidth
    6. 4.6 Modulation Schemes Used in FSO Systems
    7. Summary
    8. References
    9. Further Reading
  12. 5. Diversity and Detection Techniques in Optical Fading Channel
    1. 5.1 Detection in an Optical Fading Channel
    2. 5.2 Signal Models for Detection
    3. 5.3 Detection in Single Input Single Output Turbulence Channels
    4. 5.4 Diversity
    5. 5.5 Spatial Diversity
    6. 5.6 MIMO Channel
    7. Summary
    8. References
  13. 6. Channel Capacity
    1. 6.1 Channel Capacity of AWGN Channel
    2. 6.2 Capacity of Fading Channels
    3. 6.3 Channel Capacity of Single-Input Single-Output Atmospheric Optical Channel
    4. 6.4 Capacity of Optical Fading Channels with Diversity
    5. 6.5 Capacity of Photon Poisson Channels
    6. References
  14. 7. Coding in FSO Channels
    1. 7.1 Basic Concepts
    2. 7.2 Linear Block Codes
    3. 7.3 Tree Codes or Convolution Codes
    4. 7.4 Turbo Codes
    5. 7.5 Low Density Parity Check Codes
    6. Summary
    7. References
  15. 8. FSO Link and System Design
    1. 8.1 Link Design
    2. 8.2 Component Reliability
    3. 8.3 Eye Safety Consideration
    4. 8.4 Transceivers
    5. 8.5 Noise in FSO Receiver
    6. Summary
    7. References
  16. Index