Design of a flexible filter for synchronous resampling in wireless sensor networks

Jürgen Funck, Clemens Gühmann

Abstract

Many tasks in the context of data acquisition with a wireless sensor network, e.g. jitter compensation or angular resampling, can be solved by reconstructing a uniformly sampled signal from a nonuniformly sampled one. A filter structure that is capable of performing this task is adopted from the literature and a practical design is evaluated. It is verified that its implementation on a resource constrained wireless sensor node is feasible. Two simulation examples demonstrate the effectiveness of the designed filter and a comparison with alternative resampling methods is given.

Keywords

Wireless sensor network, Data acquisition, Resampling, Interpolation filters, Angle domains

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DOI

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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