A Microstrip MIMO Antenna with Enhanced Isolation for WiMAX Applications | Zendy

NgocLan Nguyen | Zendy; Nguyễn Thị Thu Hằng | Zendy; Hồ Văn Cừu | Zendy

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A Microstrip MIMO Antenna with Enhanced Isolation for WiMAX Applications

Author(s) -

NgocLan Nguyen,

Nguyễn Thị Thu Hằng,

Hồ Văn Cừu

Publication year - 2019

Publication title -

research and development on information and communication technology

Language(s) - English

Resource type - Journals

ISSN - 1859-3534

DOI - 10.32913/mic-ict-research.v2019.n2.869

Subject(s) - wimax , mimo , antenna efficiency , electronic engineering , antenna (radio) , microstrip antenna , isolation (microbiology) , antenna measurement , computer science , 3g mimo , antenna factor , optoelectronics , electrical engineering , telecommunications , physics , engineering , wireless , bioinformatics , biology , beamforming

In this paper, a multiple-input multipleoutput (MIMO) antenna with high isolation is designed using defected ground structure (DGS). The proposed antenna is constructed by two sets of four elements (2×2), which are designed at the central frequency of 3.5 GHz for Worldwide Interoperability for Microwave Access (WiMAX) applications. The antenna is fabricated on a FR4 substrate with an overall size of 144 × 99 × 1.6 mm. Thanks to DGS, the designed MIMO antenna achieves a high isolation of 30 dB and a high radiation efficiency of over 90%. Besides, this MIMO antenna attains a 7.5 dBi gain. There is a good agreement between the simulated S-parameters and the measurement results.

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