Читать книгу Wireless Connectivity - Petar Popovski - Страница 2

1  Cover

2  Foreword

3  Acknowledgments

4  Acronyms

5  1 An Easy Introduction to the Shared Wireless Medium 1.1 How to Build a Simple Model for Wireless Communication 1.2 The First Contact 1.3 Multiple Access with Centralized Control 1.4 Making TDMA Dynamic 1.5 Chapter Summary 1.6 Further Reading 1.7 Problems and Reflections

6  2 Random Access: How to Talk in Crowded Dark Room 2.1 Framed ALOHA 2.2 Probing 2.3 Carrier Sensing 2.4 Random Access and Multiple Hops 2.5 Chapter Summary 2.6 Further Reading 2.7 Problems and Reflections Note

7  3 Access Beyond the Collision Model 3.1 Distance Gets into the Model 3.2 Simplified Distance Dependence: A Double Disk Model 3.3 Downlink Communication with the Double Disk Model 3.4 Uplink Communication with the Double Disk Model 3.5 Unwrapping the Packets 3.6 Chapter Summary 3.7 Further Reading 3.8 Problems and Reflections

8  4 The Networking Cake: Layering and Slicing 4.1 Layering for a One-Way Link 4.2 Layers and Cross-Layer 4.3 Reliable and Unreliable Service from a Layer 4.4 Black Box Functionality for Different Communication Models 4.5 Standard Layering Models 4.6 An Alternative Wireless Layering 4.7 Cross-Layer Design for Multiple Hops 4.8 Slicing of the Wireless Communication Resources 4.9 Chapter Summary 4.10 Further Reading 4.11 Problems and Reflections

9  5 Packets Under the Looking Glass: Symbols and Noise 5.1 Compression, Entropy, and Bit 5.2 Baseband Modules of the Communication System 5.3 Signal Constellations and Noise 5.4 From Bits to Symbols 5.5 Symbol-Level Interference Models 5.6 Weak and Strong Signals: New Protocol Possibilities 5.7 How to Select the Data Rate 5.8 Superposition of Baseband Symbols 5.9 Communication with Unknown Channel Coefficients 5.10 Chapter Summary 5.11 Further Reading 5.12 Problems and Reflections

10  6 A Mathematical View on a Communication Channel 6.1 A Toy Example: The Pigeon Communication Channel 6.2 Analog Channels with Gaussian Noise 6.3 The Channel Definition Depends on Who Knows What 6.4 Using Analog to Create Digital Communication Channels 6.5 Transmission of Packets over Communication Channels 6.6 Chapter Summary 6.7 Further Reading 6.8 Problems and Reflections Note

11  7 Coding for Reliable Communication 7.1 Some Coding Ideas for the Binary Symmetric Channel 7.2 Generalization of the Coding Idea 7.3 Linear Block Codes for the Binary Symmetric Channel 7.4 Coded Modulation as a Layered Subsystem 7.5 Retransmission as a Supplement to Coding 7.6 Chapter Summary 7.7 Further Reading 7.8 Problems and Reflections

12  8 Information-Theoretic View on Wireless Channel Capacity 8.1 It Starts with the Law of Large Numbers 8.2 A Useful Digression into Source Coding 8.3 Perfectly Reliable Communication and Channel Capacity 8.4 Mutual Information and Its Interpretations 8.5 The Gaussian Channel and the Popular Capacity Formula 8.6 Capacity of Fading Channels 8.7 Chapter Summary 8.8 Further Reading 8.9 Problems and Reflections

13  9 Time and Frequency in Wireless Communications 9.1 Reliable Communication Requires Transmission of Discrete Values 9.2 Communication Through a Waveform: An Example 9.3 Enter the Frequency 9.4 Noise and Interference 9.5 Power Spectrum and Fourier Transform 9.6 Frequency Channels, Finally 9.7 Code Division and Spread Spectrum 9.8 Chapter Summary 9.9 Further Reading 9.10 Problems and Reflections

14  10 Space in Wireless Communications 10.1 Communication Range and Coverage Area 10.2 The Myth about Frequencies that Propagate Badly in Free Space 10.3 The World View of an Antenna 10.4 Multipath and Shadowing: Space is Rarely Free 10.5 The Final Missing Link in the Layering Model 10.6 The Time-Frequency Dynamics of the Radio Channel 10.7 Two Ideas to Deal with Multipath Propagation and Delay Spread 10.8 Statistical Modeling of Wireless Channels 10.9 Reciprocity and How to Use It 10.10 Chapter Summary 10.11 Further Reading 10.12 Problems and Reflections

15  11 Using Two, More, or a Massive Number of Antennas 11.1 Assumptions about the Channel Model and the Antennas 11.2 Receiving or Transmitting with a Two-Antenna Device 11.3 Introducing MIMO 11.4 Multiple Antennas for Spatial Division of Multiple Users 11.5 Beamforming and Spectrum Sharing 11.6 What If the Number of Antennas is Scaled Massively? 11.7 Chapter Summary 11.8 Further Reading 11.9 Problems and Reflections

16  12 Wireless Beyond a Link: Connections and Networks 12.1 Wireless Connections with Different Flavors 12.2 Fundamental Ideas for Providing Wireless Coverage 12.3 No Cell is an Island 12.4 Cooperation and Coordination 12.5 Dissolving the Cells into Clouds and Fog 12.6 Coping with External Interference and Other Questions about the Radio Spectrum 12.7 Chapter Summary 12.8 Further Reading 12.9 Problems and Reflections

17  Bibliography

18  Index

19  End User License Agreement