Reduction in Mutual Coupling Characteristics of Slot-Coupled Planar Antenna due to Rectangular Elements
Copyright policy )Reduction in Mutual Coupling Characteristics of Slot-Coupled Planar Antenna due to Rectangular Elements
In this paper, we proposed a broadband ACPA that integrated a filter function. By installing multiple rectangular elements in the Rx antenna, the mutual coupling between the Tx and Rx antennas was reduced from -24 dB to -29.8 dB(min. -36 dB). At the same time, the broadband resonance of the antenna and external size were maintained after adding the filter function. By investigating the current distribution on the rectangular elements, we found that the current on the second rectangular element changes its direction when the frequency is higher than ftrap. This enables the antenna to function as a low-pass filter.
- Chiba Institute of Technology Japan
- NTT DoCoMo Japan
base station antenna, broadband antenna, filter integrated antenna, mutual coupling reduction
base station antenna, broadband antenna, filter integrated antenna, mutual coupling reduction
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