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A wireless node with beam-switching and beam-sweeping features for wireless sensor networks (WSNs) is proposed. A readily available VirtualSense wireless node which makes use of 2.4GHz IEEE 802.15.4 wireless transceivers, as well as active cylindrical slot frequency selective surfaces (FSSs) are employed. The active FSS is made up of twelve columns with four hybrid slots each, dividing the cylinder...
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