Quarter‐band internal antenna design using three branches for GPS, UMTS/WCDMA, ISM, and SDMB band operation | Zendy

Jang Byungchan | Zendy; Kim Cheyoung | Zendy; Park Jeungkeun | Zendy

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Quarter‐band internal antenna design using three branches for GPS, UMTS/WCDMA, ISM, and SDMB band operation

Author(s) -

Jang Byungchan,

Kim Cheyoung,

Park Jeungkeun

Publication year - 2008

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.23345

Subject(s) - hfss , anechoic chamber , miniaturization , engineering , ground plane , antenna (radio) , return loss , umts frequency bands , electrical engineering , microwave , electronic engineering , microstrip antenna , telecommunications

A design scheme of a quarter‐band internal antenna is proposed for use in GPS, UMTS/WCDMA, ISM, and SDMB bands. The folded metal plates of the three branches are mounted on a dielectric‐coated ground plane for size miniaturization and durability. For a multiband operation the sectional antenna corresponding to each band was designed, combined, and finally trimmed. The return loss of the suggested antenna was calculated by a commercial HFSS simulator and the results are compared with measured return loss, which shows a good agreement between them. Gain and radiation pattern are also measured by the field measurement system in an anechoic chamber. © 2008 Wiley Periodicals, Inc. Microwave Opt Technol Lett 50: 1227–1232, 2008; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.23345

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