A WIDEBAND AND DUAL FREQUENCY THREE-DIMENSIONAL TRANSITION-FED CIRCULAR PATCH ANTENNA FOR INDOOR BASE STATION APPLICATION | Zendy

You-Huo Huang | Zendy; Liu Qi-zhong | Zendy; Shi-Gang Zhou | Zendy

Open Access

A WIDEBAND AND DUAL FREQUENCY THREE-DIMENSIONAL TRANSITION-FED CIRCULAR PATCH ANTENNA FOR INDOOR BASE STATION APPLICATION

Author(s) -

You-Huo Huang,

Liu Qi-zhong,

Shi-Gang Zhou

Publication year - 2009

Publication title -

progress in electromagnetics research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.245

H-Index - 33

ISSN - 1937-6480

DOI - 10.2528/pierl09080207

Subject(s) - wideband , base station , dual (grammatical number) , electrical engineering , base (topology) , telecommunications , patch antenna , acoustics , antenna (radio) , electronic engineering , physics , engineering , mathematics , art , mathematical analysis , literature

The design and performance of a stacked patch antenna for wideband and dual-frequency operation are presented in this paper. The proposed antenna consists of a three dimensional (3D) circular transition-fed patch that is excited by a coaxial probe. By introducing a regular patch and a ring patch above the 3D circular transition-fed patch, good input impedance matching has been achieved over two frequency bands. The lower band possesses an impedance bandwidth (VSWR < 2) of 22.8% (0.775 to 0.975GHz) and a peak gain of 5.2dBi, while the upper band has an impedance bandwidth (VSWR < 2) of 65.8% (1.425 to 2.825GHz) and a peak gain of 7.4dBi. Other than the wideband and dual-band operation features, this antenna also has a beam tilted downward with a broadside beam pattern on the horizontal plane. Therefore, this antenna is very suitable for the indoor base station that is required to service several wireless communication systems, included CDMA800, GSM900, 3G, PCS, UMTS, BLUETOOTH and WLAN, by a single antenna.

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