Wi-Fi/WiMAX双极化阵列天线研究

提出一种应用于Wi-Fi/WiMAX的宽带高增益双极化阵列天线.它由+45°和-45°正交极化的两个天线组成。当频率为2.38~2.72 GHz时,天线的回波损耗大于-10 dB;端口1与端口2之间隔离度大于20 dB;端口1在2.45 GHz时获得最大增益为17.14 dBi,端口2在2.483 GHz时获得最大增益为17.15 dBi.仿真和测试很好相吻合,该双极化天线能满足Wi-Fi/WiMAX通信网络要求.

Research on dual-polarized array antenna for Wi-Fi/Wimax application

A broad-band and high gain array antenna based on the dual-polarized technology for Wi-Fi/WiMAX application was presented,fabricated and measured.The dual polarized antenna was the combination of the two antennas with the orthogonal polarization direction of +45° and-45°.The return loss property was better than-10 dB from 2.38 to 2.72 GHz.The isolation of the proposed antenna was better than 20 dB between port 1 and port 2.The gain was of 17.14 dBi at 2.45 GHz for port 1,while it was of 17.15 dBi at 2.483 GHz for port 2.There is a good agreement between simulations and the measurement.The good performance for bandwidth and directionality will make the array antenna play an essential role in the development of Wi-Fi/WiMAX technology.