Design of Compact Dual-Polarized Antennas for MIMO Handsets | Zendy

Wenhua Chen | Zendy; Xin Wang | Zendy; Zhenghe Feng | Zendy

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Design of Compact Dual-Polarized Antennas for MIMO Handsets

Author(s) -

Wenhua Chen,

Xin Wang,

Zhenghe Feng

Publication year - 2011

Publication title -

international journal of antennas and propagation

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.282

H-Index - 37

eISSN - 1687-5877

pISSN - 1687-5869

DOI - 10.1155/2012/954742

Subject(s) - handset , mimo , topology (electrical circuits) , bandwidth (computing) , electronic engineering , isolation (microbiology) , microstrip , coupling (piping) , computer science , engineering , physics , electrical engineering , telecommunications , beamforming , mechanical engineering , microbiology and biotechnology , biology

A design method of compact dual-polarized antennas has been proposed for multiple input and multiple output (MIMO) handset application. For the sake of high isolation in dual polarizations, a printed monopole and a hybrid slot antenna are combined using a coplanar waveguide (CPW) and microstrip hybrid feeding structure. The proposed topology will result in orthogonal current distribution modes for the different polarizations, which effectively reduces the mutual coupling of the two modes. The operation mechanism of the feeding structure is analyzed in principle and verified by simulation. Simulated and measured results show this compact dual-polarized antenna achieves isolation between the two ports of better than 25 dB, and the relative bandwidth is wider than 23.5%

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