Ideas on EWS

Ideas

Requirements

• Robust
• Decentralized: No single point of failure
• Cheap
• Timeliness: Online and Real-Time
• Opportunistic
• Scalability
• Networking interconnection (internal/external)
• Self-organization
• Unplanned (spontaneous) deployment
• dependability and accuracy
• Persistant storage
• Priorization of processing tasks
• ...

Application Domain: Early Warning for Earthquakes (Natural Disasters)

• Possible areas: Istanbul, Bucarest, ...
• Finely meshed network
• Long distance interconnection
• Online monitoring and processing
• Alarming (Early warning, Interrupt supplies)
• Storage of historical data
• Before and after disaster infrastructure
• Online shake-maps
• Typical processing patterns??

Additional Services

• public internet access,
• email delivery
• toll collection for the usage of roads
• ...

OTS Hardware/Software

• cheap COTS Router
• cheap COTS Sensosr Hardware
• IEEE 802.11 license-free radio
• BRN
• Linux/Click/...

Constrains

in

• processing time,
• computing power,
• memory,
• storage,
• networking bandwidth and
• latency

Further Information

EWS Papers

• Werner-Allen, Johnson, Ruiz, Lees, Welsh: Monitoring Volcanic Eruptions with a Wireless Sensor Network [1]
• Werner-Allen, Lorincz, Ruiz, Marcillo, Johnson, Lees, Welsh: Deploying a wireless sensor network on an active volcano. IEEE Internet Computing, accepted, in press [2]
• A. Mainwaring, J. Polastre, R. Szewczyk, D. Culler, and J. Anderson: Wireless sensor networks for habitat monitoring. ACM International Workshop on Wireless Sensor Networks and Applications (WSNA’02), Atlanta, GA, USA, Sept. 2002.

WSN Papers

• Robert, Szewczyk, J. Polastre, A. Mainwaring, and D. Culler: Lessons from a sensor network expedition. Proc. 1st European Workshop on Wireless Sensor Networks (EWSN ’04), January 2004.
• J. Hill, R. Szewczyk, A. Woo, S. Hollar, D. E. Culler, and K. S. J. Pister: System architecture directions for networked sensors. Proc. the 9th International Conference on Architectural Support for Programming Languages and Operating Systems, Boston, MA, USA, Nov. 2000, pp. 93–104.
• Levis, Patel, Shenker, Culler: Trickle: A self-regulating algorithm for code propagation and maintenance in wireless sensor networks. Proc. the First USENIX/ACM Symposium on Networked Systems Design and Implementation (NSDI), 2004.
• Woo, Tong, Culler: Taming the underlying challenges of reliable multihop routing in sensor networks. Proc. the First ACM Conference on Embedded Networked Sensor Systems (SenSys 2003), November 2003.

Technology

• G. Werner-Allen and M. Welsh: MoteLab: Harvard Sensor Network Testbed. [3]
• FreeWave Technologies, Inc. [4]
• Moteiv Corporation: Telos Sensor Network Module [5]
• Crossbow Technology Inc. [6]

Misc

• David Culler [7]