Compact reconfigurable antenna for LTE, WLAN and WiMAX applications
Tóm tắt
A compact rectangular patch antenna is presented in this work, which is able to change the frequency of operation and also the radiation pattern. The designed antenna can be used for long-term evolution (LTE), wireless local area network (WLAN), and microwave connectivity worldwide interoperability (WiMAX) applications. A PIN diode is used to connect or disconnect the L-shaped strip from the rectangular patch for reconfigurable operation. Pattern search algorithm is used to optimize the position of the antenna feed for better impedance matching. Testing results of the fabricated prototype show appreciable matching with the simulated return loss and voltage standing wave ratio (VSWR). Also, good impedance matching (VSWR
$$<1.4$$
) and a good frequency tuning ratio (2.26) are achieved for the prototype.
Tài liệu tham khảo
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