Research Article

A Miniaturized Planar Monopole Antenna Based on a Coupling Structure for Compact Mobile Internet of Things (IoT) and Electric Vehicles (EVs) Device Applications in 5G, LTE, WLAN, WiMAX, Sirius/XM Radio, V2X, and DSRC Wireless Systems

Figure 4

Study on the parameters of the reflection coefficients of the various lengths of the proposed antennas: (a) adjust parameters for W1 strip length; (b) adjust parameters for W6 strip length; (c) adjust parameters for La strip length; (d) various types with strip 2 and 3 and with/without the back-coupled patch; (e) adjust parameters for W8 strip width; (f) adjust parameters for L11 strip length.
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