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On‐vehicle low‐profile metal‐plate antenna for AMPS/GSM/DCS/PCS/UMTS multiband operations
Author(s) -
Liu YungTao,
Su SaouWen,
Tang ChiaLuan,
Chen HongTwu,
Wong KinLu
Publication year - 2004
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.20074
Subject(s) - gsm , umts frequency bands , microwave , antenna (radio) , engineering , ground plane , electrical engineering , conical surface , electronic engineering , telecommunications , mechanical engineering
A novel low‐profile metal‐plate antenna capable of generating two wide resonant modes for covering the AMPS/GSM (824–894 MHz/890–960 MHz) bands and the DCS/PCS/UMTS (1710–1880 MHz/1850–1990 MHz/1920–2170 MHz) bands for mobile communications in vehicles is presented. The proposed antenna is easily achieved by folding a stamped metal plate into a swanlike shape and then feeding it by using a matching‐bridge technique. The proposed antenna has a low profile of 27 mm (about 8% of the free‐space wavelength at 900 MHz) above the ground plane and shows conical radiation patterns for frequencies across the operating bands. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 41: 144–146, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20074