用于手机的多频印刷环形天线

2011 IEEE International Symposium on Antennas and Propagation (APSURSI) Pub Date : 2011-07-03 DOI:10.1109/APS.2011.5996878

Wen‐Shan Chen, Yi‐Ting Liu, W. Hsu

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引用次数: 8

摘要

提出了一种适用于手机多频工作的印刷环形天线。环形天线的正面由倒l形带和矩形贴片组成，背面由弯曲环形天线和100×60 mm2接平面组成。倒l型带与矩形贴片用50 Ω微带线连接。馈电机构采用耦合馈电方式，通过倒l带和矩形贴片对环形天线进行激励。环形天线为LTE700/GSM850/GSM900/DCS/PCS/UMTS/LTE2300/WLAN/LTE2500频段提供以810和2175 MHz为中心的两个宽工作频段。该天线还具有外形小、成本低、易于制造、受地平面尺寸变化影响小等优点。

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Multi-frequency printed loop antenna for mobile phone application

The printed loop antenna for multi-frequency operation in the mobile phone application is proposed. The loop antenna consists of an inverted-L shaped strip and a rectangular patch on the front side, while the back side consists of a meander loop antenna and a 100×60 mm2 ground plane. The inverted-L shaped strip and the rectangular patch are connected with a 50 Ω microstrip line. The feeding mechanism is coupled-fed method, which excites the loop antenna through the inverted-L strip and the rectangular patch. The loop antenna provides two wide operating bands centered at about 810 and 2175 MHz for LTE700/GSM850/GSM900/DCS/PCS/UMTS/LTE2300/WLAN/LTE2500 bands operation. The proposed antenna also has the advantages of low profile, low cost, ease fabrication, and less affected by changing ground plane size.

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来源期刊

2011 IEEE International Symposium on Antennas and Propagation (APSURSI)

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