Scientific journal paper Q1
Evaluation of a New Wideband Slot Array for MIMO Performance Enhancement in Indoor WLANs
Jorge Rodrigues da Costa (Costa, J. R.); E. B. Lima (E. B. Lima); C. R. Medeiros (C. R. Medeiros); C. A. Fernandes (C. A. Fernandes);
Journal Title
IEEE Transactions on Antennas and Propagation
Year (definitive publication)
2011
Language
English
Country
United States of America
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Abstract
A new wideband compact slot antenna array for indoor WLAN access points (AP) is described, covering several wireless communication services from 2.4 to 4.8 GHz, that is especially designed to enhance MIMO system capacity. The array topology provides both spatial and polarization diversity. Despite very close packing of the array elements, these exhibit very low mutual coupling and low cross-polarization, greatly favoring MIMO diversity gain. A detailed MIMO performance comparison is conducted against a common array of patches in indoor environment, based both on simulation and indoor measurements: the new antenna shows a clear improvement in terms of channel capacity.
Acknowledgements
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Keywords
Multiple input multiple output (MIMO) array; printed wideband antenna; spatial and polarization diversity; tapered slot antenna; wireless local area network (WLAN)
  • Electrical Engineering, Electronic Engineering, Information Engineering - Engineering and Technology

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