Differential Microstrip Antenna for RF Energy Harvesting

被引：108

作者：

Arrawatia, Mahima ^{[1
]}

Baghini, Maryam Shojaei ^{[1
]}

Kumar, Girish ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Elect Engn, Bombay 400076, Maharashtra, India

来源：

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2015年 / 63卷 / 04期

关键词：

Differential antenna; impedance matching; improved gain antenna; microstrip antenna; RF energy harvesting; CMOS RECTIFIER;

D O I：

10.1109/TAP.2015.2399939

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A differential microstrip antenna with improved gain for RF energy harvesting is presented in this paper. The developed antenna can be used in either center grounded or differential configuration. The antenna is designed and fabricated for GSM900 band (890-960 MHz). The antenna has a gain of 8.5 dBi at the center frequency and exhibits VSWR <= 2 for frequencies between 870 MHz to 1.05 GHz. The efficiency of the antenna is 80%. The developed antenna finds its application in energy harvesting, RFID tags and in wireless communication circuits, where differential inputs/outputs are needed. A complete differential RF energy harvesting system with a peak efficiency of 65.3% for a load of 3 k Omega is also developed.

引用

页码：1581 / 1588

页数：8

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