A Multiband Diversity Antenna System for Compact Mobile/Wireless Devices: Modeling and  Performance Evaluation

<table>Simulated <svg height="18.1" id="M49" style="vertical-align:-5.35901pt" version="1.1" viewbox="0 0 15.2125 18.1" width="15.2125" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,-0,0,-.017,.062,11.363)"><path d="M409 504l-29 -5q-16 60 -44.5 96t-86.5 36q-54 0 -82.5 -32t-28.5 -77q0 -51 30.5 -82.5t96.5 -65.5l35.5 -18t33 -19.5t33.5 -23.5l27 -25.5t24.5 -32t13.5 -36.5t6 -45q0 -80 -62 -134.5t-160 -54.5q-47 0 -98 15q-22 7 -50 21q-8 23 -27 155l30 7q7 -27 18 -52
t30 -51.5t49 -42.5t67 -16q56 0 88 32.5t32 87.5q0 51 -31.5 82t-98.5 67q-80 44 -110 73q-55 53 -55 124q0 75 56 126.5t150 51.5q53 0 126 -23z" id="x53"></path></g>
<g transform="matrix(.012,-0,0,-.012,8.125,15.45)"><path d="M454 632c0 -14.6667 -5 -26.8333 -15 -36.5c-10.0004 -9.66669 -22.3337 -14.5 -37 -14.5c-14.0004 0.00665283 -25.8337 4.84003 -35.5 14.5c-9.66803 9.66785 -14.5014 21.8345 -14.5 36.5c0 14 5 26 15 36s22 15 36 15s26 -5 36 -15s15 -22 15 -36zM180 632
c0 -14.6667 -5 -26.8333 -15 -36.5s-22.3333 -14.5 -37 -14.5c-14 0.00665283 -25.8334 4.84003 -35.5 14.5c-9.66678 9.66785 -14.5001 21.8345 -14.5 36.5c0 14 5 26 15 36s22 15 36 15c14.6667 0 26.8334 -5 36.5 -15c9.66718 -10 14.5005 -22 14.5 -36zM448 460l5 -3
v-457c0 -71.3333 -14.5 -125.5 -43.5 -162.5s-71.1667 -55.5 -126.5 -55.5c-27.3334 0 -49.6667 5.16667 -67 15.5c-17.3336 10.3333 -26.0003 23.5 -26 39.5c0 10.6665 4 19.8332 12 27.5c8 7.66666 17.6667 11.5 29 11.5c14.6669 6.10352e-05 30.6669 -10.6666 48 -32
c14.6667 -18.6667 28.6667 -28 42 -28c15.3336 0 26.667 6 34 18c9.33545 17.3333 14.0021 57.6667 14 121v379c0 40 -10.6667 60 -32 60c-15.3333 0 -28.6667 -1 -40 -3l-5 -1v16c53.3333 17.3333 105.333 35.3333 156 54zM253 15v-15h-237v15c34 2 55.6667 8 65 18
c9.33343 10.6667 14.0001 34.3333 14 71v227c-0.000183105 23.3336 -2.33352 39.667 -7 49c-4.66669 9.33557 -13.3334 14.0023 -26 14c-14.6667 0 -28.6667 -1.66666 -42 -5v16l155 55l4 -4v-351c0 -37.3333 4 -61 12 -71c8.66687 -10 29.3335 -16.3333 62 -19z" id="x133"></path></g>
</svg> parameters (<i>interband</i> coupling) between any two antenna pairs in the three frequency bands.
						</table>

International Journal of Antennas and Propagation

fig3

Figure 3

Figure 3: A Multiband Diversity Antenna System for Compact Mobile/Wireless Devices: Modeling and  Performance Evaluation 