High-Efficiency Crossed-Loop 4G LTE Antenna for All Display Metal-Rimmed Smartphones

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijap/volume-2018/8070953/figures/8070953.fig.001a.svgz" name="8070953.fig.001a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Conventional loop antenna</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijap/volume-2018/8070953/figures/8070953.fig.001b.svgz" name="8070953.fig.001b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Proposed antenna</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/ijap/volume-2018/8070953/figures/8070953.fig.001c.svgz" name="8070953.fig.001c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Structural change of the proposed antenna</td></tr></table>

<div>Proposed idea and current distribution with a first resonance at 900 MHz in comparison with conventional loop antenna.</div>

International Journal of Antennas and Propagation

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Figure 1

Figure 1: High-Efficiency Crossed-Loop 4G LTE Antenna for All Display Metal-Rimmed Smartphones 