NDLI: Planar near-field to far-field transformation for massive MIMO systems

Content Provider	IEEE Xplore Digital Library
Author	Han Xiangzi Tan Xiaobin Wu Fan
Copyright Year	2015
Description	Author affiliation: Key Lab. of Technol. in Geo-spatial Inf. Process. & Applic. Syst., Univ. of Sci. & Technol. of China, Hefei, China (Han Xiangzi; Tan Xiaobin; Wu Fan)
Abstract	The massive or large scaled multiple input multiple output (MIMO) systems have gained huge consideration due to high achievable data rates, reliable system performance and advantaged energy efficiency for future wireless networks. For such systems, we should have a keen knowledge of the channel model, the ways of configuration, spectral efficiency and so on. The obtaining of the far-field pattern in the massive MIMO system from measurements made in the near-field has attracted widespread attention recently. In this article, two basic techniques for accomplishing this have been proposed. In the first technique, the NTFF (near-field to far-field) transformation is based on the equivalence principle. While in the second technique, it is based on the plane wave spectrum (PWS) expansion. Both of the methods have their own advantages for the massive MIMO systems. One can drastically reduce the computation time and the other can make enormous reduction in the storage consumption. Experimental results show that the two transformation techniques are proved to be feasible and they are consistent with each other.
Starting Page	6463
Ending Page	6468
File Size	525437
Page Count	6
File Format	PDF
ISBN	9789881563897
ISSN	19341768
DOI	10.1109/ChiCC.2015.7260657
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-07-28
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Technical Committee on Control Theory, Chinese Association of Automation
Subject Keyword	Horn antennas Directive antennas massive MIMO MIMO Complexity theory NTFF transformation PWS expansion the equivalence principle Standards Antenna arrays
Content Type	Text
Resource Type	Article

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