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Channel behavior for very-large MIMO systems - initial characterization

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Author

Summary, in English

Wireless communication using very-large multiple-input multiple-output (MIMO) antennas is a new research field, where base stations are equipped with a very large number of antennas as compared to previously considered systems. Unlike the conventional small and compact antenna arrays, the very-large arrays may span many wavelengths in space, thus they can experience large-scale fading over the array. This power variation over the antenna array may be critical to algorithm design and performance evaluations for very-large MIMO systems, and it is thus important that it is included in channel models. Based on channel measurements using a 128-antenna linear array in a semi-urban area, we characterize and model the large-scale fading properties. We focus on cluster-based modeling which can be seen as an extension of the current COST 2100 channel model. In the paper, we report our latest channel behavior modeling progress for very-large MIMO systems.

Publishing year

2012

Language

English

Document type

Conference paper

Topic

  • Electrical Engineering, Electronic Engineering, Information Engineering

Keywords

  • very-large MIMO
  • MIMO
  • channel modeling

Conference name

COST IC1004, 2012

Conference date

2012-09-24 - 2012-09-26

Conference place

Bristol, United Kingdom

Status

Published

Research group

  • Radio Systems