Real-World Wireless Sensor Networks: 4th International Workshop, REALWSN 2010, Colombo, Sri Lanka, December 16-17, 2010, Proceedings / Edition 1

Applications I

K2: A System for Campaign Deployments of Wireless Sensor Networks Doug Carlson Jayant Gupchup Rob Fatland Andreas Terzis 1

TigerCENSE: Wireless Image Sensor Network to Monitor Tiger Movement Ravi Bagree Vishwas Raj Jain Aman Kumar Prabhat Ranjan 13

Motes in the Jungle: Lessons Learned from a Short-Term WSN Deployment in the Ecuador Cloud Forest Matteo Ceriotti Matteo Chini Amy L. Murphy Gian Pietro Picco Francesca Cagnacci Bryony Tolhurst 25

Deploying Wireless Sensor Networking Technology in a Rescue Team Context Ben McCarthy Socrates Varakliotis Christopher Edwards Utz Roedig 37

OS Support and Programming

Visibility Levels: Managing the Tradeoff between Visibility and Resource Consumption Junyan Ma Kay Römer 49

Flexible Online Energy Accounting in TinyOS Simon Kellner 62

TikiriDev: A UNIX-Like Device Abstraction for Contiki Kasun Hewage Chamath Keppitiyagama Kenneth Thilakarathna 74

Applications II

Location Based Wireless Sensor Services in Life Science Automation Benjamin Wagner Philipp Gorski Frank Golatowski Ralf Behnke Dirk Timmermann Kerstin Thurow 82

Hallway Monitoring: Distributed Data Processing with Wireless Sensor Networks Tobias Baumgartner Sándor P. Fekete Tom Kamphans Alexander Kröller Max Pagel 94

senSebuddy: A Buddy to Your Wireless Sensor Network Adi Mallikarjuna Reddy V Kumar Padmanabh Sanjoy Paul 106

Communication and MAC

Evaluation of an Electronically Switched Directional Antenna for Real-World Low-Power Wireless Networks Erik Öström Luca Mottola Thiemo Voigt 113

Implementation and Evaluation of Combined Positioning and Communication Paul Alcock James Brown Utz Roedig 126

SPIDA: A Direction-Finding Antenna for Wireless Sensor Networks Martin Nilsson 138

Testing Selective Transmission with Low Power Listening Morten Tranberg Hansen Rocío Arroyo- Valles Jesús Cid-Sueiro 146

An Experimental Study on IEEE 802.15.4 Multichannel Transmission to Improve RSSI-Based Service Performance Andrea Bardella Nicola Bui Andrea Zanella Michele Zorzi 154

Poster and Demonstration Abstracts

Multicasting Enabled Routing Protocol Optimized for Wireless Sensor Networks Tharindu Nanayakkara Kasun De Zoysa 162

GINSENG - Performance Control in Wireless Sensor Networks Ricardo Silva 166

LynxNet: Wild Animal Monitoring Using Sensor Networks Reinholds Zviedris Atis Elsts Girts Strazdins Artis Mednis Leo Selavo 170

Demo Abstract: Bridging the Gap between Simulated Sensor Nodes and the Real World Tobias Baumgartner Daniel Bimschas Sándor Fekete Stefan Fischer Alexander Kröller Max Pagel Dennis Pfisterer 174

A Mote-in-the-Loop Approach for Exploring Communication Strategies for Sensor Networks Minyan Hong Erik Björnemo Thiemo Voigt 178

The Deployment of TikiriDB for Monitoring Palm Sap Production Asanka P. Sayakkara W.S.N. Prabath Senanayake Kasun Hewage Nayanajith M. Laxaman Kasun De Zoysa 182

Cooperative Virtual Memory for Sensor Nodes Torsten Teubler Jan Pinkowski Horst Hellbrück 186

GinConf: A Configuration and Execution Interface for Wireless Sensor Network in Industrial Context José Cecílio João Costa Pedro Martins Pedro Furtado 190

EdiMote: A Flexible Sensor Node Prototyping and Profiling Tool Rinalds Ruskuls Leo Selavo 194

Virtual Sensor WPAN on Demand Meddage S. Fernando Harie S. Bangalore Ramthilak Amiya Bhattacharya Partha Dasgupta 198

TikiriAC: Node-Level Equally Distributed Access Control for Shared Sensor Networks Nayanajith M. Laxaman M.D.J.S. Goonatillake Kasun De Zoysa 202

Author Index 207