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Pattern reconfigurable back-to-back microstrip patch antenna

Pattern reconfigurable back-to-back microstrip patch antenna

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A back-to-back microstrip patch antenna with a switchable pattern is proposed for WLAN applications. The patch elements, printed on FR-4 substrates with a common ground plane, are switched with a single-pole double-throw PIN diode circuit. Switching the feed selects either of two identical radiation patterns in the opposing hemispheres for spatial diversity that would benefit a distributed network.


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