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Conference Publication

Demonstration of a partial reconfiguration based microphone array network emulator

Host Publication: 27th International Conference on Field-Programmable Logic and Applications

Authors: B. da Silva Gomes, F. Dominguez, A. Braeken and A. Touhafi

Publisher: IEEE

Publication Date: Sep. 2017

Number of Pages: 1


Abstract:

The current Micro-Electro-Mechanical System (MEMS) technology allows to deploy relatively low-cost Wireless Sensor Networks (WSN) composed of MEMS microphone arrays for accurate sound-source localization. However, the evaluation and the selection of the most accurate and power-efficient network's topology is not trivial when considering dynamic MEMS microphone arrays. Despite software simulators are usually considered, they are high-computational intensive tasks which require hours to days to be completed. Our demonstrator is an FPGA-based network emulator, which provides a fast network design-space exploration. The user can easily evaluate a network's topology with different nodes' configurations and multiple sound sources in matter of seconds. An intuitive graphical user interface hides from the user the dynamic partial reconfigurations needed by the network emulator to set the node's configurations. As a result, a probability map generated from the fusion of the output data from the nodes and an error on the estimation of the sound-source location are graphically represented.

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Mr. Bruno da Silva Gomes

+32 (0)02 629 376

bdasilva@etrovub.be

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Mr. Abdellah Touhafi

+32 (0)02 629 377

atouhafi@etrovub.be

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