Development of Ultra-Broadband Base Station Antenna for All Mainstream LTE 700/800/900 MHz Frequency Bands

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/ijap/volume-2014/201914/figures/201914.fig.007a.svgz" name="201914.fig.007a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Vertical pattern at 0° tilt</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/ijap/volume-2014/201914/figures/201914.fig.007b.svgz" name="201914.fig.007b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Vertical pattern at 5° tilt</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/ijap/volume-2014/201914/figures/201914.fig.007c.svgz" name="201914.fig.007c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Vertical pattern at 10° tilt</td></tr></table>

<div>Representation of the vertical pattern from PSO results according to the frequency at different tilts.</div>

International Journal of Antennas and Propagation

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Figure 7

Figure 7: Development of Ultra-Broadband Base Station Antenna for All Mainstream LTE 700/800/900 MHz Frequency Bands 