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논문 기본 정보

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(순천향대학교) (순천향대학교)
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대한전기학회 전기학회논문지 전기학회논문지 제65권 제6호
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    초록·키워드

    In this paper, the method of isolation enhancement for the mobile phone MIMO antenna of LTE class 40(2300〜2400㎒) was studied. Design of MIMO antenna was based on the hybrid antenna that operates both a monopole and an IFA(Inverted F Antenna). A structure for the isolation enhancement which controls induced electric field on the ground plane is located between MIMO antenna, and was not connected with the ground but apart 0.3㎜. A MIMO antenna that operates on class 3〜40(1710〜2400㎒) of LTE service bands and a structure for the isolation enhancement at the class 10 band were designed. VSWR measurement of implemented antenna on the FR4 board showed within 3:1 at entire design bands, and isolation between antennas at the class 40 band was less than –30㏈. Isolation was enhanced more than 20㏈ by the studied structure. ECC(Envelope Correlation Coefficient) for MIMO performance was under 0.1, and antenna average gain and efficiency measured in the anechoic chamber were –4.28〜-1.40㏈i and 37.32〜72.36% respectively.

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      UCI(KEPA) : I410-ECN-0101-2017-560-000719706