Tactical Wireless Communications and Networks

Design Concepts and Challenges

Gebonden Engels 2012 9781119951766
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Providing a complete description of modern tactical military communications and networks technology, this book systematically compares tactical military communications techniques with their commercial equivalents, pointing out similarities and differences. In particular it examines each layer of the protocol stack and shows how specific tactical and security requirements result in changes from the commercial approach. The author systematically leads readers through this complex topic, firstly providing background on the architectural approach upon which the analysis will be based, and then going into detail on tactical wireless communications and networking technologies and techniques.

-Structured progressively: for readers needing an overall view; for those looking at the communications aspects (lower layers of the protocol stack); and for users interested in the networking aspects (higher layers of the protocol stack)

-Presents approaches to alleviate the challenges faced by the engineers in the field today

-Furnished throughout with illustrations and case studies to clarify the notional and architectural approaches

-Includes a list of problems for each chapter to emphasize the important aspects of the topics covered

-Covers the current state of tactical networking as well as the future long term evolution of tactical wireless communications and networking in the next 50 years

-Written at an advanced level with scope as a reference tool for engineers and scientists as well as a graduate text for advanced courses

Specificaties

ISBN13:9781119951766
Taal:Engels
Bindwijze:gebonden
Aantal pagina's:324
Verschijningsdatum:5-10-2012
Hoofdrubriek:IT-management / ICT

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Inhoudsopgave

About the Author xi
Foreword xiii
Preface xv
List of Acronyms xvii

Part I THEORETICAL BASIS

1 Introduction 3
1.1 The OSI Model 4
1.2 From Network Layer to IP Layer 6
1.3 Pitfall of the OSI Model 7
1.4 Tactical Networks Layers 9
1.5 Historical Perspective 10
Bibliography 11

2 The Physical Layer 13
2.1 Modulation 13
2.1.1 Signal–in–Space (SiS) 16
2.2 Signal Detection 22
2.2.1 Signal Detection in Two–Dimensional Space 24
2.2.2 Multidimensional Constellations for AWGN 28
2.3 Non–Coherent Demodulation 29
2.4 Signal Fading 29
2.5 Power Spectrum 31
2.6 Spread Spectrum Modulation 34
2.6.1 Direct Sequence Spread Spectrum 35
2.6.2 Frequency Hopping Spread Spectrum 38
2.7 Concluding Remarks 40
2.7.1 What Happens Before Modulation and After Demodulation? 40
2.7.2 Historical Perspective 40
Bibliography 41

3 The DLL and Information Theory in Tactical Networks 43
3.1 Information Theory and Channel Capacity 43
3.1.1 Uncertainty and Information 45
3.1.2 Entropy 46
3.1.3 Coding for a Discrete Memoryless Source 48
3.1.4 Mutual Information and Discrete Channels 50
3.1.5 The Binary Symmetric Channel (BSC) Model 53
3.1.6 Capacity of a Discrete Channel 54
3.2 Channel Coding, Error Detection, and Error Correction 57
3.2.1 Hamming Distance and Probability of Bit Error in Channel Coding 58
3.2.2 Overview of Linear Block Codes 60
3.2.3 Convolutional Codes 62
3.2.4 Concatenated Coding and Interleaving 64
3.2.5 Network Coding versus Transport Layer Packet Erasure Coding 65
3.3 Concluding Remarks 67
3.3.1 The Role of Information Theory and Coding in Tactical Wireless Communications and Networking 67
3.3.2 Historical Perspective 68
Appendix 3.A: Using RS Code in Tactical Networks Transport Layer 69
3.A.1 The Utilized RS Code 69
3.A.2 Packet Erasure Analysis 70
3.A.3 Imposed Tactical Requirements 77
Bibliography 80

4 MAC and Network Layers in Tactical Networks 83
4.1 MAC Layer and Multiple Access Techniques 83
4.2 Queuing Theory 87
4.2.1 Statistical Multiplexing of Packets 87
4.2.2 Queuing Models 92
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