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In this paper, a high cross-polarization discrimination (XPD) dual-polarization slot antenna for indoor small-cell base station is proposed. The proposed antenna has a symmetric structure and differential feeding structure. A symmetric structure and differential feeding structure induce destructive interference of cross-polarization components in the far field in major planes. Therefore, the high...
The bandwidth property of a folded planar inverted F antenna (PIFA) is investigated. In a folded PIFA, a part of the radiating element of the antenna is patterned on the backside of the substrate, resulting in both bandwidth enhancement and size reduction. Between the radiating elements on the top and bottom of the substrate, an electrical connection is maintained by two via holes. When these two...
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