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Erschienen in: Wireless Personal Communications 3/2018

22.05.2018

Bi-directional UWB MIMO Antenna for Superior Spatial Diversity, and/or Multiplexing MIMO Performance

verfasst von: Ahmed Abdelraheem, Mahmoud A. Abdalla

Erschienen in: Wireless Personal Communications | Ausgabe 3/2018

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Abstract

In this paper, a two-element UWB MIMO antenna with bi-directional radiation pattern is designed for superior UWB MIMO performance. The designed antenna adopts asymmetric coplanar waveguide ground feeding. The proposed antenna ECC is lower than the ECC of its omni-directional peer antenna. Simulated and measured ECC is lower than 0.016 over the entire ultra-wide bandwidth (3.1–10.6 GHz). The isolation between elements of the designed antenna is 20–25 dB exceeding the average in recently published works. The designed antenna has a diversity gain of almost 10 dB and average multiplexing efficiency of 85% over the entire ultra-wide bandwidth. The antenna preserves radiation efficiency higher than 0.96 and gain 3 dB. The diversity performance of the proposed UWB MIMO antenna is proven through real rich-multipath indoor environment measurements. Stationarity of the elected channel is evaluated through 100 successive measurements separated by a 3-min period for 5 h long. The measured spatial correlation coefficients are much lower than 0.5 in different scenarios.

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Metadaten
Titel
Bi-directional UWB MIMO Antenna for Superior Spatial Diversity, and/or Multiplexing MIMO Performance
verfasst von
Ahmed Abdelraheem
Mahmoud A. Abdalla
Publikationsdatum
22.05.2018
Verlag
Springer US
Erschienen in
Wireless Personal Communications / Ausgabe 3/2018
Print ISSN: 0929-6212
Elektronische ISSN: 1572-834X
DOI
https://doi.org/10.1007/s11277-018-5767-5

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