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Experimental implementation of a wideband high‐gain 8‐array slot antenna for mobile communications
Author(s) -
Jang YongWoong
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.20271
Subject(s) - wideband , umts frequency bands , electrical engineering , antenna gain , antenna array , bandwidth (computing) , microwave , microstrip antenna , engineering , electronic engineering , physics , optoelectronics , antenna factor , telecommunications , antenna (radio)
Abstract The experimental implementation of a T‐shaped microstrip‐fed printed 8‐element slot‐array antenna is presented in this paper. Although the use of a high relative permittivity (ε r = 4.3) substrate usually restricts the operation bandwidth, the radiation resistance also has a low value. The dependence of design parameters l d , offset on the bandwidth characteristics is investigated. The measured bandwidth of the 8‐array slot array antenna is 1.3933 to 2.5989 GHz, which is approximately 60.3% for the S 11 ≤ −10 dB. The obtained 10‐dB return‐loss impedance bandwidth covers the DCS (1.71–1.88 GHz), PCS (1.85–1.99 GHz), IMT‐2000 (1.90–2.20 GHz), UMTS (1.92–2.17 GHz), WLL (2.40–2.48 GHz) bands. The measured peak gain of the 8‐array slot‐array antenna in the usable frequency band is more than approximately 10.5 dBi. This antenna is an attractive candidate for wireless, satellite, and mobile communications applications. © 2004 Wiley Periodicals, Inc. Microwave Opt Technol Lett 42: 260–262, 2004; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/mop.20271

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