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Information Systems Architecture Science Research Division Neuron inspired collaborative transmission in WSNs Mobiquitous 2011, 06.12.09.12., Copenhagen, Denmark Stephan Sigg, Predrag Jakimovski, Florian Becker, Hedda R. Schmidtke,

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Information Systems Architecture Science Research Division

Neuron inspired collaborative transmission in WSNs

Mobiquitous 2011, 06.12.–09.12., Copenhagen, Denmark

Stephan Sigg, Predrag Jakimovski, Florian Becker, Hedda R. Schmidtke, Alexander Neumann, Yusheng Ji, Michael Beigl

The 8th International ICST Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services, MobiQuitous 2012, 06.12.–09.12.2011, Copenhagen, Denmark

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Smart Spaces

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Smart Spaces

Smart Spaces are ... Sensing environment Traditionally visual and audio system Sensing and acting as a living being

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Smart Spaces

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Smart Spaces

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Smart Spaces

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Smart Spaces

Smart Space ?

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Smart Spaces

How can we command the enormous potential of ubiquitously available sensing and computing power?

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Motivation

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Motivation

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Outline

Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Stephan Sigg | Neuron inspired collaborative transmission | 11

Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Neuron systems in WSNs

x y w z x z w w y

1 k n m 1 1 1 1

w

1 1

(1) (2)

0k m

(2) (1)

Neural network with one hidden layer: yk(− → x , − → w ) = σ  

M

w(2)

jk h

D

w(1)

ij xi + w(1) 0j

+ w(2)

0k

 

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Neuron systems in WSNs

No straightforward mapping to wireless networks NN are inherently clocked Noise and interference due to wireless communication

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Outline

Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Collaborative transmission for neuronal structures

ζsum =

ι

ℜ

ej(fit+γi)

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Collaborative transmission for neuronal structures

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Collaborative transmission for neuronal structures

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Collaborative transmission for neuronal structures

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Collaborative transmission for neuronal structures

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Collaborative transmission for neuronal structures

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Collaborative transmission for neuronal structures

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Collaborative transmission for neuronal structures

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Collaborative transmission for neuronal structures

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Collaborative transmission for neuronal structures

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Outline

Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Results

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Results

Dendrites 180, 240, 300, 500 Synapses 2, 3, 4, 5 Transmit frequency 2.4 GHz Transmission power 1 mW Antenna gain 0 dB (Rx/Tx) Random noise power −103 dBm Pathloss Ptx λ

4πd

2 GtxGrx

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Results

180 240 300 500 0.2 0.4 0.6 0.8 1

Count of dendrite nodes Median BER

Deterioration of BER with increasing count of dendrite nodes

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Results

2 3 4 5 0.9 1 1.1 1.2 1.3 1.4 1.5 1.6

Count of synapses nodes BER deterioration normalised on the optimum value

Deterioration of BER with increasing count of synapse nodes

180 dendrite nodes 240 dendrite nodes 300 dendrite nodes

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Conclusion and future work

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Conclusion and future work

Conclusion NN-overlay over a wireless sensor network Communication among nodes via distributed beamforming Computation of arbitrary functions Smart space implementation possible

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Information Systems Architecture Science Research Division

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Motivation Neuron systems in WSNs Collaborative transmission for neuronal structures Results Conclusion and future work

Conclusion and future work

Future work Instrumentation with hardware nodes Computation of relevant functions Validation in very large networks Reduce synchronisation time and accuracy

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Information Systems Architecture Science Research Division

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Questions?

Stephan Sigg sigg@nii.ac.jp

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Information Systems Architecture Science Research Division