Title :
Internal Uniplanar Antenna for LTE/GSM/UMTS Operation in a Tablet Computer
Author :
Jui-Han Lu ; Yi-Shiang Wang
Author_Institution :
Dept. of Electron. Commun. Eng., Nat. Kaohsiung Marine Univ., Kaohsiung, Taiwan
fDate :
5/1/2013 12:00:00 AM
Abstract :
With the use of an internal printed loop matching circuit, a small-size uniplanar antenna with eight-band LTE/GSM/UMTS operation in the tablet computer is proposed. The obtained impedance bandwidth across the operating bands can reach about 262/1610 MHz for the LTE/GSM/UMTS bands, respectively. Only with the antenna size of 40×15×0.8 mm3, the proposed planar antenna has the compact operation with more than 30% antenna size reduction. Furthermore, the measured peak gains and antenna efficiencies are about 2.81/4.97 dBi and 79/87% for the LTE/GSM/UMTS bands, respectively.
Keywords :
3G mobile communication; Long Term Evolution; UHF antennas; cellular radio; loop antennas; microstrip antennas; mobile antennas; monopole antennas; multifrequency antennas; notebook computers; planar antennas; antenna efficiency; antenna size reduction; eight-band LTE/GSM/UMTS operation; impedance bandwidth; internal printed loop matching circuit; internal uniplanar antenna; monopole antenna; peak gains; planar antenna; small-size uniplanar antenna; tablet computer; 3G mobile communication; Antenna measurements; Antennas; Bandwidth; Frequency measurement; GSM; Impedance; Long term evolution (LTE); monopole antenna; shorted strip;
Journal_Title :
Antennas and Propagation, IEEE Transactions on
DOI :
10.1109/TAP.2013.2243693
