Portal de Periódicos da CAPES

A Compact Hepta-Band Loop-Inverted F Reconfigurable Antenna for Mobile Phone

2011; IEEE Antennas & Propagation Society; Volume: 60; Issue: 1 Linguagem: Inglês

10.1109/tap.2011.2167949

1558-2221

Yue Li, Zhijun Zhang, Jianfeng Zheng, Zhenghe Feng, Magdy F. Iskander,

Energy Harvesting in Wireless Networks

A folded loop-inverted F reconfigurable antenna for mobile phone applications is designed and the obtained results are discussed in this communication. It is shown that loop antenna mode and an inverted F antenna (IFA) mode are controlled by only one p-i-n diodes with simple bias circuit. The impedance can be matched by adopting a matching bridge for both the loop and IFA modes. In a compact volume of 60 × 5 × 5 mm 3 , the proposed antenna operates in hepta-band, including GSM850, GSM900, GPS, DCS, PCS, UMTS and WLAN, with the return loss lower than 6 dB. A prototype of the proposed antenna is fabricated, measured, and obtained results including return loss, efficiency and gain, are presented.