Two UWB-MIMO antennas with high isolation using isolation stubs
Communication Problem-Solving（2014）
Abstract
In this paper, two Ultra-wideband (UWB) multiple-input multiple-output (MIMO) antennas with different isolation structures are proposed. A comb U stub and an inverted-T stub are designed to improve the isolation between two antenna elements. Over the whole ultra-wide bandwidth, the return losses are better than 10 dB, and the isolation between two elements are better than 20 dB. The simulation and measurement results agree with each other very well. The proposed antennas are suitable for some portable UWB MIMO/diversity applications.
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Key words
mimo communication,antenna radiation patterns,diversity reception,planar inverted-f antennas,ultra wideband antennas,ultra wideband communication,uwb-mimo wireless communication applications,diversity applications,high isolation comb u stub,inverted-t stub,ultra wideband multiple input multiple output antenna,ultra-wideband (uwb),isolation structure,multiple-input multiple-output (mimo),bandwidth,mimo
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