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http://dx.doi.org/10.5515/KJKIEES.2010.21.1.090

Improvement of Radiation Performance of Mobile Phone Antenna Using PIFA on U-Shaped Ground Plane  

Lee, Jeong-Ho (Dept. of Electrical and Electronics Engineering, Yonsei University)
Song, Jae-Kwan (Mobile Handset R&D Center, Mobile Communications Company, LG Electronics Inc.)
Yook, Jong-Gwan (Dept. of Electrical and Electronics Engineering, Yonsei University)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.21, no.1, 2010 , pp. 90-97 More about this Journal
Abstract
In this paper, we propose antenna topology and ground plane shape to improve the performance of PIFA (Planar Inverted F Antenna) which is built-in mobile phone. First, we designed the PIFA antenna consists of multiple radiators to provide multi-current paths. Then we designed U-shaped ground plane on the PCB under the antenna. The proposed antenna structure shows TRP/TIS improvement of 2.0 dB/3.7 dB for GSM and 2.2 dB/ 2.0 dB for DCS and 0.8 dB/1.5 dB for PCS and 1.3 dB/0.7 dB for WCDMA at the free space.
Keywords
PIFA; Ground Plane; Mobile Phone Handset; TRP; TIS;
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