Multi-Broadband Microstrip Antenna for LTE Smartphone Applications

In this paper, a new compact design of multi-broad band microstrip antenna, used in smartphone is presented. It supports 40-LTE bands including LTE 700, LTE2300, LTE2500, LTE42, LTE43 and LTE46 bands. Also, it covers WLAN 2.4GHz, WiMAX 2.5GHz and WiMAX 3.5GHz applications. The proposed antenna composed of four different monopole antennas connected together at the input feed. Three monopole antennas have the same width while the fourth one is wider than others in order to improve the matching of the reflection coefficient. The antenna occupies a compact size of 17 × 60 × 0.8 mm
³
which makes it appropriate for operating in slim smartphone devices. There is a good agreement between the simulated and the measured results.