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Why are real WSNs so hard for us to achieve?

Why are real WSNs so hard for us to achieve?. Jan Beutel, ETH Zurich. “Proof-of-Concept” Deployment Experience. [Prabal Dutta, UC Berkeley]. [Gilmann Tolle, UC Berkeley]. [Prabal Dutta, UC Berkeley]. [Koen Langendoen, TU Delft]. Performance is Poor – Causes Are Not Understood.

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Why are real WSNs so hard for us to achieve?

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  1. Why are real WSNs so hard for us to achieve? Jan Beutel, ETH Zurich

  2. “Proof-of-Concept” Deployment Experience [Prabal Dutta, UC Berkeley] [Gilmann Tolle, UC Berkeley] [Prabal Dutta, UC Berkeley] [Koen Langendoen, TU Delft]

  3. Performance is Poor – Causes Are Not Understood [Phil Levis, Stanford]

  4. Is it just generally painful?

  5. Are we doing things the wrong way?

  6. Were we promising too much?

  7. My Contribution – WSN Deployment Survey • A survey on the success, failure and generally experience in wireless sensor network deployments. • Online at • http://www.btnode.ethz.ch/Projects/WSNDeploymentSurvey • Contact • Jan Beutel, ETH Zurich – j.beutel@ieee.org • Prize – Win a Free Ski Weekend in the Alps • Drawing is closing on December 15, 2007.

  8. Outrageous Opinions • Why are ... • we not applying the same rigor and methods we teach to students in WSN design/deployment practice? • Code reviews, calibration, comparable/repetitive experiments ... • we cramming more and more into tiny microcontrollers, operating them beyond limits, wondering why last minute quick-fixes fail? • The embedded industry designs and scales architecture exactly for the required performance/complexity! • so many computer scientists building (lower layer) MAC protocols and not the radio designers/manufacturers?

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