✦ LIBER ✦

Broadband double-cavity internal planar antenna for mobile phones

✍ Scribed by Fu-Ren Hsiao; Kin-Lu Wong

Publisher: John Wiley and Sons
Year: 2005
Tongue: English
Weight: 204 KB
Volume: 46
Category: Article
ISSN: 0895-2477
DOI: 10.1002/mop.20920

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✦ Synopsis

A novel broadband double-cavity planar antenna with a wide operating bandwidth (about 25% with respect to the center frequency of 900 MHz) for mobile-phone application as an internal antenna is presented. The proposed planar antenna consists of a thin upper cavity (3-mm thick) and a relatively thick lower cavity (about 7-mm thick). In the lower cavity of the antenna, its partial volume can also be used to accommodate associated components of the mobile phone. Design considerations of the proposed antenna are described, and the results of the constructed prototypes are presented.

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