In this paper, we describe the procedure of simulation design and measured results of a compact planar antenna for handset applications. The broad bandwidth covering the interested frequency band for mobile handset is achieved by introduction of an open ended L-shaped slot which is newly proposed and corresponds to the monopole slot. In order to minimize the impact on circuit part placement, the proposed antenna is placed on the ground plane edge of PCB with size of 60×65 ㎟. The measurement result for 10㏈ impedance bandwidths is 640 ㎒ (1.7~2.34 ㎓), covering the required bandwidths for DCS (Digital Cellular System)-1800 (1710 ~ 1880 ㎒) / IMT (International Mobile Telecommunication)-2000 (1885 ~ 2200 ㎒) bands. In particular, we would like to emphasize the proposed antenna has an omnidirectional radiation pattern suitable for commercial wireless communication.
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Sung et al. (2019) studied this question.
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