Small-Size Reconfigurable Loop Antenna for Mobile Phone Applications | Zendy

Hao Wang | Zendy; Yibo Wang | Zendy; Jianlan Wu | Zendy; Peng Chen | Zendy; Zheqiang Wu | Zendy; Chow-Yen-Desmond Sim | Zendy; Guangli Yang | Zendy

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Small-Size Reconfigurable Loop Antenna for Mobile Phone Applications

Author(s) -

Hao Wang,

Yibo Wang,

Jianlan Wu,

Peng Chen,

Zheqiang Wu,

Chow-Yen-Desmond Sim,

Guangli Yang

Publication year - 2016

Publication title -

ieee access

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.587

H-Index - 127

ISSN - 2169-3536

DOI - 10.1109/access.2016.2593794

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

A small-size reconfigurable loop antenna for mobile phone applications with a compact volume of 55 × 5 × 3 mm³ is proposed. In addition to the traditional three loop antenna modes, namely, 0.5-λ, 1-λ, and 1.5-λ modes, the proposed loop antenna also generates another 2-λ mode. To cover more operating bands with such compact antenna volume, the reconfigurable technique is therefore applied by inserting an RF switch at the end of the proposed antenna to improve bandwidth at the low band. By combining the four working states of RF switch, the proposed antenna can cover GSM850/900, DCS1800, PCS1900, UMTS2100, and LTE2300/2500 bands with low specific absorption rate and high efficiencies.

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