2015 IEEE 6th International Workshop on Computational Advances in Multi-Sensor Adaptive Processing (CAMSAP) 2015
DOI: 10.1109/camsap.2015.7383780
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Censoring diffusion for harvesting WSNs

Abstract: In this paper, we analyze energy-harvesting adaptive diffusion networks for a distributed estimation problem. In order to wisely manage the available energy resources, we propose a scheme where a censoring algorithm is jointly applied over the diffusion strategy. An energy-aware variation of a diffusion algorithm is used, and a new way of measuring the relevance of the estimates in diffusion networks is proposed in order to apply a subsequent censoring mechanism. Simulation results show the potential benefit o… Show more

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Cited by 7 publications
(19 citation statements)
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“…Nesse caso, mantiveram-se os parâmetros do algoritmo DTAS-dNLMS, ao passo que β e µ s foram reajustados para o AS-dNLMS utilizando as Eqs. ( 11) e (12). Nesse cenário, observa-se o comprometimento da capacidade de rastreamento do AS-dNLMS.…”
Section: Resultados De Simulaçãounclassified
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“…Nesse caso, mantiveram-se os parâmetros do algoritmo DTAS-dNLMS, ao passo que β e µ s foram reajustados para o AS-dNLMS utilizando as Eqs. ( 11) e (12). Nesse cenário, observa-se o comprometimento da capacidade de rastreamento do AS-dNLMS.…”
Section: Resultados De Simulaçãounclassified
“…i pnq e ψ i pnq, isso não aumenta o número de transmissões. Como agora há um valor de β k pnq diferente para cada nó em vez de um parâmetro global β, o ajuste de µ s segundo (12) deve ser alterado, levando a um passo µ s k pnq para cada nó k. Além disso, como não se presume mais o conhecimento prévio de σ 2 max , esse termo é substituído por p σ 2 N k pnq em (12). Por fim, considerando-se ( 14), pode-se escrever…”
Section: Ajuste Automático Dos Parâmetrosunclassified
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“…There exist works on reducing the energy consumption of the diffu-sion algorithm by modifying either the algorithm, the communication frequency, or the topology [18]- [21]. However, in these works additional complexity is introduced [18], [19] or the performance of the diffusion algorithm degrades [20], [21]. We propose a novel EE method for reducing the energy consumption of the DLS algorithm.…”
Section: Introductionmentioning
confidence: 99%