
Wireless Sensor Networks
Description
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Content
- Title
- Preface
- Organization
- Table of Contents
- Communication and Security
- Opportunistic, Receiver-Initiated Data-Collection Protocol
- Introduction
- State-of-the-Art Data-Gathering
- Energy-Efficient Medium Access Control
- Low-Power Listening
- Receiver-Initiated Medium Access Control (RI-MAC)
- Opportunistic, Receiver-Initiated Data Collection
- Initialization Phase
- Packet Transmission Phase
- Recovery Strategy
- State Machine
- Choosing a Weight Metric
- Properties of ORiNoCo
- Sleep Time Adaptation
- Theoretical Analysis
- Expected Average Waiting Time
- Power Consumption
- Evaluation
- Simulation Environment and Setup
- Validation with Theoretical Analysis
- Comparison with CTP under Realistic Conditions
- Dimensioning of Tslp
- Discussion
- Conclusion
- References
- TCP Performance Optimizations for Wireless Sensor Networks
- Introduction
- Related Work
- TCP Performance Optimizations
- The Caching and Congestion Control (cctrl) Module
- Initial Strategy: Segment Caching and Local Retransmissions
- Channel Activity Monitoring
- Multiple Connections
- Experimental Evaluation
- Testbed Platform and Experiment Setup
- Initial Strategy: Segment Caching and Local Retransmissions
- Activity Monitoring
- Multiple Connections
- Overall Comparison
- Conclusions
- References
- Immune Size Approximation Algorithms in Ad Hoc Radio Network
- Introduction
- Previous and Related Work
- Model
- Attacks on Size Approximation Schemes
- Willard's Type
- JKZ Algorithm
- KKR Algorithm
- New Adversary Immune Algorithm
- Description of the Protocol
- Analysis
- Cryptographic Tools, Complexity and Some Remarks
- Appendix
- References
- Foisting and Stealing of Keys in Sensor Networks
- Introduction
- Heterogeneity Complicates Security
- Our Contributions
- Related Work
- Attack Model
- Key Foisting: A Serious New Attack
- Two-Way Path-Key Establishment
- Two-Way Key Establishment (2W)
- k-Path Reinforcement (k-PR)
- Analysis of Resilience
- mGKE (1W k-PR) Key-Stealing Resilience
- mGKE (1W k-PR) Key-Foisting Resilience
- mGKE (2W 1-PR) Resilience to Foisting
- Replays, Key Foisting, and Man-in-the-Middle Attacks
- Hybrid (KF-KS) Attacks
- Message Aggregation to Reduce Overhead
- Conclusion
- References
- System Issues
- SenShare: Transforming Sensor Networks into Multi-application Sensing Infrastructures
- Introduction
- The SenShare Platform
- Infrastructure Management
- Overlay Sensor Networks
- Evaluation
- Deployment
- Related Work
- Conclusions
- References
- Realistic Simulation of Energy Consumption in Wireless Sensor Networks
- Introduction
- Related Work
- Tools
- Avrora vs. Reality
- Generic Scenario
- Results
- Micro-Benchmarks
- Avrora+
- Calibrating the Energy Model in Avrora+
- Modeling State Transition Costs in Avrora+
- Adding Hardware Variance in Avrora+
- Evaluation
- Micro-Benchmarks
- Generic Scenario
- Summary and Discussion
- Conclusion
- References
- Low Power or High Performance?A Tradeoff Whose Time Has Come (and Nearly Gone)
- Introduction
- Application-Driven Platform Requirements
- Emerging Wireless Sensing Applications
- Platform Requirements
- ARM Cortex-M3 Platforms: Egs and Opal
- Egs
- Opal
- Porting TinyOS
- Memory Protection in TinyOS
- Power Management
- Evaluation
- Compression
- Error Correction Codes
- High-Speed Serial Communications
- JVMs and IETF Standards in Sensor Networks
- Low-Duty-Cycle Applications
- Conclusion
- References
- Reliability
- Fault-Tolerant Relay Deployment Based on Length-Constrained Connectivity and Rerouting Centrality in Wireless Sensor Networks
- Introduction
- Background and Related Work
- Length-Constrained Connectivity and Rerouting Centrality (l-CRC)
- Length-Constrained Connectivity Centrality (l-CC)
- Length-Constrained Rerouting Centrality (l-RC)
- Ranking
- An Example
- Greedy Randomised Adaptive Search Procedure for Additional Backup Node Placement (GRASP-ABP)
- Construction Phase
- Node-Based Local Search
- Algorithm Description
- Simulation and Results
- Evaluation of Network Planning
- Evaluation of Network Operations
- Conclusion and Future Work
- References
- Smart-HOP: A Reliable Handoff Mechanism for Mobile Wireless Sensor Networks
- Introduction
- Problem Statement
- Considering WSNs limitations
- Design Considerations
- The Smart-HOP Mechanism
- Parameter Calibration
- Test-Bed Setup
- Thresholds, Hysteresis Margin and AP Stability
- Observations
- Impact of Interference: RSSI vs. SNR Based Handoffs
- Related Work
- Conclusions and Future Work
- References
- On the Optimal Blacklisting Threshold for Link Selection in Wireless Sensor Networks
- Introduction
- Threshold-Based Blacklisting in Practice
- Experimental Setup
- Blacklisting Thresholds
- Blacklisting in Larger Networks
- The Analytical Model
- Analytical Derivation
- Insights Derived from the Model
- Empirical Validation
- Related Work
- Conclusions
- References
- Localization and Smart Cameras
- Multi-channel Two-Way Time of Flight Sensor Network Ranging
- Introduction
- Two-Way Time of Flight Ranging
- System Design and Implementation
- The Hardware Platform
- RTT Measurement
- Distance Estimation
- Experimental Evaluation
- Clock Source Stability
- A Line-of-Sight Scenario
- One Channel Is Not Enough
- A General Scenario
- Estimating the Accuracy
- Related Work
- Conclusions
- References
- GPS-Equipped Wireless Sensor Network Node for High-Accuracy Positioning Applications
- Introduction
- End-to-End System Concept
- Differential GPS Processing
- Data Acquisition System Implementation
- Evaluation
- Conclusions
- References
- ScanTraffic: Smart Camera Network for Traffic Information Collection
- Introduction
- Related Work
- SystemDesign
- Monitoring Module
- Code-Update Module
- Configuration Module
- Communication Manager
- Implementation and Deployment
- Hardware Description
- Software Platform
- Testbed Planning and Implementation
- Validation
- Power Consumption
- Data Transmission Reliability
- Conclusions and Future Work
- References
- Hardware and Sensing
- Towards Extending Sensor Node Lifetime with Printed Supercapacitors
- Introduction
- Background: Method of Electrochemical Materials Deposition
- Lifetime Problem
- Energy Properties of WSN
- Design Goals
- Experimental System
- System Architecture
- ESM Design
- Printed Capacitors Implementation
- Experimental Results
- Related Work
- Conclusions and Future Work
- References
- On-the-Fly Calibration of Low-Cost Gas Sensors
- Introduction
- Calibration System and Model
- Calibration Algorithms
- Multi-hop Calibration
- Evaluation
- Experimental Results
- Simulations
- Related Work
- Conclusions
- References
- Energy-Aware Gas Sensing Using Wireless Sensor Networks
- Introduction
- WSN Overview
- Catalytic Sensor for the Sensor Node
- Sensor Node Design
- WSN Operation
- Network Coordinator and Wireless Actuator
- Gas Detection and Alerting
- Conclusion
- References
- Author Index
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