A novel two-channel multiple input multiple output (MIMO) antenna for handset terminals is proposed. The antenna is basically composed of two folded monopoles and is designed to operate in WiBro (Wireless Broadband Internet; the Korean version of mobile WiMax) service band, 2.30–2.39 GHz. To decrease mutual coupling between the antennas, ground wall and connecting line are added. Good impedance matching and enhanced isolation performances are observed. Radiation patterns clearly show omnidirectional performance of the proposed antenna.
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Chung et al. (2007) studied this question.
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