无线局域网双极化波束可重构天线

IF 3.5 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Open Journal of Antennas and Propagation Pub Date : 2024-03-08 DOI:10.1109/OJAP.2024.3373913

Saiju Li;Meie Chen;Zheng Li;Jianqiang Chen;Junhong Wang

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引用次数: 0

摘要

针对无线局域网 2.4 GHz 频段的应用，开发了一种具有双极化和波束可重构能力的新型无线局域网（WLAN）天线。该天线由水平极化（HP）天线和垂直极化（VP）天线组成。水平极化天线的辐射模式可在方位面上的一个全向波束和四个定向波束之间切换，而垂直极化天线则可产生一个全向波束和八个定向波束。然后制作并测量了天线原型。HP 天线的定向波束增益为 2.7 至 3 dBi，VP 天线的定向波束增益为 2.5 至 3.5 dBi。测量和模拟定向波束之间的最大差异为 0.9 dBi。在所有波束状态下，天线的测量和模拟反射系数都低于-10 dB，在 WLAN 2.4 GHz 频段内，两个极化之间的隔离度小于-18 dB。测量结果与模拟结果非常吻合，这表明未来在无线局域网系统中具有良好的应用前景。

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A WLAN Dual-Polarized Beam-Reconfigurable Antenna

A novel wireless local area network (WLAN) antenna with dual-polarized and beam-reconfigurable ability is developed for WLAN 2.4 GHz band application. The antenna is composed of a horizontally polarized (HP) antenna and a vertically polarized (VP) antenna. The radiation pattern of the HP antenna can be switched between an omnidirectional beam and four directional beams in the azimuth plane, while the VP antenna can generate an omnidirectional beam and eight directional beams. Then the antenna prototype is fabricated and measured. The directional beam gain of the HP antenna varies from 2.7 to 3 dBi, and that of the VP antenna varies from 2.5 to 3.5 dBi. The maximum difference between the measured and simulated directional beams is 0.9 dBi. The measured and simulated reflection coefficients of the antenna are below −10 dB for all the beam states, and the isolation between the two polarizations is less than −18 dB in the WLAN 2.4 GHz band. The measured results agree well with the simulated ones, showing a good application prospect in WLAN system in the future.

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来源期刊

IEEE Open Journal of Antennas and Propagation Multiple-

CiteScore

6.50

自引率

12.50%

发文量

审稿时长

8 weeks