Recent Advances in Multiband Printed Antennas Based on
Metamaterial Loading

<table>Input impedance of the dual-band MLA with coupled SR depicted in Figure <a href="../fig9/#b">9(b)</a> and power wave reflection coefficient of the monoband and dual-band meander line antenna. The frequencies where reactance matching is obtained, separated by <svg height="17.262501" id="M45" style="vertical-align:-4.0404pt" version="1.1" viewbox="0 0 28.262501 17.262501" width="28.262501" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
<g transform="matrix(.017,0,0,-.017,.062,12.163)"><path d="M600 0h-557v24l268 633l28 8l261 -641v-24zM497 50l-194 489l-196 -489h390z" id="x394"></path></g><g transform="matrix(.017,0,0,-.017,10.959,12.163)"><path d="M619 670q0 -13 -9 -26t-18 -19q-13 -10 -25 2q-36 38 -66 38q-31 0 -54.5 -50t-45.5 -185h120l-20 -31l-107 -12q-23 -138 -57 -293q-27 -122 -55 -184.5t-75 -109.5q-60 -61 -114 -61q-25 0 -47.5 15t-22.5 31q0 17 31 44q11 8 20 -1q10 -11 31 -19t35 -8q26 0 47 19
q34 34 71 253l54 315h-90l-3 12l31 30h70q28 138 90 204q35 37 75 57.5t70 20.5q26 0 45 -14t19 -28z" id="x1D453"></path></g>
<g transform="matrix(.012,0,0,-.012,21.875,17.2)"><path d="M384 0h-275v27q67 5 81.5 18.5t14.5 68.5v385q0 38 -7.5 47.5t-40.5 10.5l-48 2v24q85 15 178 52v-521q0 -55 14.5 -68.5t82.5 -18.5v-27z" id="x31"></path></g>
</svg>, are indicated and correspond to the resonance frequencies of the dual-band MLA.</table>

Advances in OptoElectronics

fig11

Figure 11

Figure 11: Recent Advances in Multiband Printed Antennas Based on
Metamaterial Loading 

Advances in OptoElectronics

Recent Advances in Multiband Printed Antennas Based on Metamaterial Loading

Figure 11