Performance and Quality of Service -- Area Throughput of an IEEE 802.15.4 Based Wireless Sensor Network -- Experimental Study of the Impact of WLAN Interference on IEEE 802.15.4 Body Area Networks -- Flow-Based Real-Time Communication in Multi-Channel Wireless Sensor Networks -- QoS Management for Wireless Sensor Networks with a Mobile Sink -- Routing -- A Context and Content-Based Routing Protocol for Mobile Sensor Networks -- Dynamic Source Routing versus Greedy Routing in a Testbed Sensor Network Deployment -- Multi-hop Cluster Hierarchy Maintenance in Wireless Sensor Networks: A Case for Gossip-Based Protocols -- Potentials of Opportunistic Routing in Energy-Constrained Wireless Sensor Networks -- Coordination and Synchronization -- A Better Choice for Sensor Sleeping -- Distributed Task Synchronization in Wireless Sensor Networks -- Solving the Wake-Up Scattering Problem Optimally -- Sundial: Using Sunlight to Reconstruct Global Timestamps -- Data Collection -- An Analytical Study of Reliable and Energy-Efficient Data Collection in Sparse Sensor Networks with Mobile Relays -- MVSink: Incrementally Building In-Network Aggregation Trees -- The Minimum Number of Sensors – Interpolation of Spatial Temperature Profiles in Chilled Transports -- Security -- Acoustic Sensor Network-Based Parking Lot Surveillance System -- Cooperative Intrusion Detection in Wireless Sensor Networks -- SCOPES: Smart Cameras Object Position Estimation System -- secFleck: A Public Key Technology Platform for Wireless Sensor Networks -- Evaluation and Management -- Accurate Network-Scale Power Profiling for Sensor Network Simulators -- DHV: A Code Consistency Maintenance Protocol for Multi-hop Wireless Sensor Networks -- Sensornet Checkpointing: Enabling Repeatability in Testbeds and Realism in Simulations -- SRCP: Simple Remote Control for Perpetual High-Power Sensor Networks.

This book constitutes the refereed proceedings of the 6th European Conference on Wireless Sensor Networks, EWSN 2009, held in Cork, Ireland, in Februar 2009. The 23 revised full papers presented were carefully reviewed and selected from 145 submissions. The papers are organized in topical sections on performance and quality of service, routing, coordination and synchronisation, data collection, security, as well as evaluation and management.