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Octagonal DGS based dual polarised ring-shaped antenna for MIMO communications
, M.G.N. Alsath
Published in Taylor and Francis Ltd.
Volume: 106
Issue: 5
Pages: 756 - 769
In this article, a dual polarised Microstrip patch antenna is proposed for 2*2 MIMO communications. The proposed antenna is suitable for GSM/DCS-1800 and LTE-1900 bands as diversity and multiple-input multiple-output (MIMO) antenna. Different from conventional MIMO antennas, the radiating aperture is shared among the radiators, which greatly reduces the overall size of the MIMO antenna system. An isolation enhancement of 30 dB between the input ports is achieved by integrating cross-connected octagonal shaped Defected Ground Structure to the ground plane. Furthermore, the Multi-antenna system performance metrics such as Envelope Correlation Co-efficient, diversity gain and Mean Effective Gain, and Total Active Reflection Co-efficient are also computed. The Proposed antenna shows a gain of 3.63 dBi at 1950 MHz. The simulated and measured results demonstrate that the proposed antenna has good impedance matching, isolation and dual polarisation characteristics. From the performance metrics, the proposed antenna performs well in multipath environment. © 2019, © 2019 Informa UK Limited, trading as Taylor & Francis Group.
About the journal
JournalData powered by TypesetInternational Journal of Electronics
PublisherData powered by TypesetTaylor and Francis Ltd.