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A compact dual‐polarized patch antenna for 1800 MHz band operation
Author(s) -
Tung HaoChun,
Wong KinLu
Publication year - 2001
Publication title -
microwave and optical technology letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.304
H-Index - 76
eISSN - 1098-2760
pISSN - 0895-2477
DOI - 10.1002/mop.1065
Subject(s) - patch antenna , antenna factor , microstrip antenna , antenna measurement , optics , coaxial antenna , multi band device , physics , electrical engineering , engineering , antenna (radio)
An aperture‐coupled patch antenna with a cross slot for compact dual‐polarized operation in the 1800 MHz band (1710–1880 MHz) suitable for applications in a personal communication system (PCS) is presented. For operation in the 1800 MHz band, the proposed antenna has a square patch of dimensions 50×50 mm 2 , which is only about 0.69 times that of the conventional design using a simple square patch. With the antenna size reduction achieved, good dual‐polarized performances have also been obtained for the proposed antenna. Excellent port decoupling (less than −37.3 dB) across the entire operating bandwidth is obtained, and good cross‐polarization levels (about 20 dB) for both linear polarizations with an antenna gain level of about 7.0 dBi are observed. © 2001 John Wiley & Sons, Inc. Microwave Opt Technol Lett 29: 1–2, 2001.