Wearable Computing

Preface xi Acknowledgments xvi 1 Body Sensor Networks 1 1.1 Introduction 1 1.2 Background 1 1.3 Typical m?Health System Architecture 4 1.4 Hardware Architecture of a Sensor Node 6 1.5 Communication Medium 7 1.6 Power Consumption Considerations 7 1.7 Communication Standards 8 1.8 Network Topologies 10 1.9 Commercial Sensor Node Platforms 13 1.10 Biophysiological Signals and Sensors 16 1.11 BSN Application Domains 17 1.12 Summary 20 References 20 2 BSN Programming Frameworks 25 2.1 Introduction 25 2.2 Developing BSN Applications 25 2.2.1 Application? and Platform?Specific Programming 26 2.2.2 Automatic Code Generation 28 2.2.3 Middleware?Based Programming 28 2.2.4 Programming Approaches Comparison 30 2.3 Programming Abstractions 31 2.4 Requirements for BSN Frameworks 34 2.5 BSN Programming Frameworks 37 2.5.1 Titan 38 2.5.2 CodeBlue 38 2.5.3 RehabSPOT 38 2.5.4 SPINE 39 2.5.5 SPINE2 39 2.5.6 C?SPINE 39 2.5.7 MAPS 40 2.5.8 DexterNet 40 2.6 Summary 40 References 41 3 Signal Processing In?Node Environment 45 3.1 Introduction 45 3.2 Background 46 3.3 Motivations and Challenges 46 3.4 The SPINE Framework 46 3.4.1 Architecture 47 3.4.2 Programming Perspective 51 3.4.3 Optional SPINE Modules 51 3.4.4 High?Level Data Processing 52 3.4.5 Multiplatform Support 55 3.5 Summary 56 References 57 4 Task?Oriented Programming in BSNs 59 4.1 Introduction 59 4.2 Background 60 4.3 Motivations and Challenges 60 4.3.1 Need for a Platform?Independent Middleware 60 4.3.2 Challenges in Designing a Task?Oriented Framework 61 4.4 SPINE2 Overview 62 4.5 Task?Oriented Programming in SPINE2 63 4.6 SPINE2 Node?Side Middleware 66 4.7 SPINE2 Coordinator 68 4.8 SPINE2 Communication Protocol 68 4.9 Developing Application in SPINE2 70 4.10 Summary 71 References 72 5 Autonomic Body Sensor Networks 73 5.1 Introduction 73 5.2 Background 73 5.3 Motivations and Challenges 74 5.4 State?of?the?Art 75 5.5 SPINE?*: Task?Based Autonomic Architecture 76 5.6 Autonomic Physical Activity Recognition 81 5.7 Summary 84 References 85 6 Agent?Oriented Body Sensor Networks 89 6.1 Introduction 89 6.2 Background 89 6.2.1 Agent?Oriented Computing and Wireless Sensor Networks 89 6.2.2 Mobile Agent Platform for Sun SPOT (MAPS) 91 6.3 Motivations and Challenges 94 6.4 State?of?the?Art: Description and Comparison 95 6.5 Agent?Based Modeling and Implementation of BSNs 98 6.6 Engineering Agent?Based BSN Applications: A Case Study 98 6.7 Summary 101 References 103 7 Collaborative Body Sensor Networks 107 7.1 Introduction 107 7.2 Background 108 7.3 Motivations and Challenges 109 7.4 State?of?the?Art 110 7.5 A Reference Architecture for Collaborative BSNs 111 7.6 C?SPINE: A CBSN Architecture 114 7.6.1 Inter?BSN Communication 116 7.6.2 BSN Proximity Detection 117 7.6.3 BSN Service Discovery 118 7.6.4 BSN Service Selection and Activation 118 7.7 Summary 119 References 119 8 Integration of Body Sensor Networks and Building Networks 121 8.1 Introduction 121 8.2 Background 121 8.2.1 Building Sensor Networks and Systems 121 8.2.2 Building Management Framework 124 8.3 Motivations and Challenges 125 8.4 Integration Layers 127 8.5 State?of?the?Art: Description and Comparison 129 8.6 An Agent?Oriented Integration Gateway 130 8.7 Application Scenarios 133 8.7.1 In?Building Physical Activity Monitoring 133 8.8 Summary 135 References 135 9 Integration of Wearable and Cloud Computing 139 9.1 Introduction 139 9.2 Background 140 9.2.1 Cloud Computing 140 9.2.2 Architectures for Sensor Stream Management 140 9.3 Motivations and Challenges 142 9.3.1 BSN Challenges 143 9.3.2 BSN/Cloud Computing Integration Challenges 144 9.4 Reference Architecture for Cloud?Assisted BSNs 145 9.4.1 Sensor Data Collection 145 9.4.2 Sensor Data Management 147 9.4.3 Scalable Processing Framework 147 9.4.4 Persistent Storage 148 9.4.5 Decision?Making Process 149 9.4.6 Open Standards and Advanced Visualization 149 9.4.7 Security 150 9.5 State?of?the?Art: Description and Comparison 151 9.5.1 Integration of WSNs and Cloud Computing 151 9.5.2 Integration of BSNs and Cloud Computing 152 9.5.3 A Comparison 153 9.6 BodyCloud: A Cloud?based Platform for Community BSN Applications 156 9.7 Engineering BodyCloud Applications 159 9.7.1 ECGaaS: Cardiac Monitoring 160 9.7.2 FEARaaS: Basic Fear Detection 162 9.7.3 REHABaaS: Remote Rehabilitation 165 9.7.4 ACTIVITYaaS: Community Activity Monitoring 166 9.8 Summary 171 References 171 10 Development Methodology for BSN Systems 177 10.1 Introduction 177 10.2 Background 177 10.3 Motivations and Challenges 180 10.4 SPINE?Based Design Methodology 180 10.4.1 A Pattern?Driven Application?Level Design 181 10.4.2 System Parameters 183 10.4.3 Process Schema 184 10.5 Summary 186 References 186 11 SPINE?Based Body Sensor Network Applications 187 11.1 Introduction 187 11.2 Background 187 11.3 Physical Activity Recognition 187 11.3.1 Related Work 188 11.3.2 A SPINE?Based Activity Recognition System 189 11.4 Step Counter 191 11.4.1 Related Work 191 11.4.2 A SPINE?Based Step Counter 192 11.5 Emotion Recognition 194 11.5.1 Stress Detection 194 11.5.1.1 Related Work 194 11.5.1.2 SPINE?HRV: A Wearable System for Real?Time Stress Detection 195 11.5.2 Fear Detection 197 11.5.2.1 Related Work 197 11.5.2.2 A SPINE?Based Startle Reflex Detection System 198 11.6 Handshake Detection 200 11.6.1 Related Work 201 11.6.2 A SPINE?Based Handshake Detection System 202 11.7 Physical Rehabilitation 205 11.7.1 Related Work 205 11.7.2 SPINE Motor Rehabilitation Assistant 206 11.8 Summary 208 References 208 12 SPINE at Work 213 12.1 Introduction 213 12.2 SPINE 1.x 213 12.2.1 How to Install SPINE 1.x 216 12.2.2 How to Use SPINE 217 12.2.3 How to Run a Simple Desktop Application Using SPINE1.3 220 12.2.4 SPINE Logging Capabilities 225 12.3 SPINE2 225 12.3.1 How to Install SPINE2 228 12.3.2 How to Use the SPINE2 API 230 12.3.3 How to Run a Simple Application Using SPINE2 232 Index 239

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• Electrónica e engenharia das comunicações
• Ciência da Computação