## Abstract A circularly polarized (CP) microstrip antenna with dual‐frequency operation is presented. The proposed antenna has a square radiating patch with four shorting pins, and it is excited by an L‐shaped strip through the coupling of a ring‐slot in the ground plane. Five PIN diodes are attac
Reconfigurable microstrip-patch antenna with frequency and polarization-diversity functions
✍ Scribed by Kyungho Chung; Yongsik Nam; Taeyeoul Yun; Jaehoon Choi
- Publisher
- John Wiley and Sons
- Year
- 2005
- Tongue
- English
- Weight
- 88 KB
- Volume
- 47
- Category
- Article
- ISSN
- 0895-2477
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✦ Synopsis
Abstract
The design of a novel reconfigurable microstrip‐patch antenna with frequency‐ and polarization‐diversity functions is presented. A U‐slot inserted into the square patch and a PIN diode are utilized to realize frequency‐diversity operation. Polarization diversity between linear polarization (LP) and right‐hand circular polarization (RHCP) is also provided by switching the two PIN diodes on the truncating corners of a square patch on and off. The designed antenna is implemented and the antenna characteristics are measured. © 2005 Wiley Periodicals, Inc. Microwave Opt Technol Lett 47: 605–607, 2005; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.21242
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