Yang Kang
School of Electronic Information Engineering, Shanghai University, Shanghai 200072, ChinaShen Wenhui
School of Electronic Information Engineering, Shanghai University, Shanghai 200072, ChinaLin Jiahong
School of Electronic Information Engineering, Shanghai University, Shanghai 200072, ChinaRen Fang
School of Electronic Information Engineering, Shanghai University, Shanghai 200072, ChinaFan Di
School of Electronic Information Engineering, Shanghai University, Shanghai 200072, ChinaSchool of Electronic Information Engineering, Shanghai University, Shanghai 200072, China
TN713
A hetpa-band antenna design for the mobile phone of metal casing has been proposed. The antenna can operate at 800~960 MHz, 1 710~3 000 MHz, for 2G, 3G, and LTE bands. To guarantee the performance of the antenna, Ushaped slot is etched on the metal casing. By taking a feed matching capacitor and a switch circuit, the proposed antenna is capable of covering GSM850/900 (824~960 MHz), DCS/PCS/UMTS2100(1 710~2 170 MHz), LTE2300/2500(2 300~2 700 MHz), hetpaband. The outside dimension of the phone is 152 mm (length)×72 mm(width)×6.8 mm (height), a 7 m×67 mm area is excised at the top edge of the system board. The antenna prototype is fabricated and measured, and it has good radiation performance. For the 824~960 MHz, the radiation efficiency from 38% to 46%. For 1 710~2 700 MHz, the radiation efficiency is from 38% to 64%. It is appropriate for the application of mobile phone with metal casing.
