NDLI: MIMO capacity estimation based on single and dual-polarization MIMO channel measurements

Content Provider	IEEE Xplore Digital Library
Author	Nanba, S. Miyazaki, N. Hirota, Y. Kishi, Y.
Copyright Year	2010
Description	Author affiliation: KDDI R&D Laboratories Inc., 2-1-15, Ohara, Fujimino-shi, Saitama, 356-8502 Japan (Nanba, S.; Miyazaki, N.; Hirota, Y.; Kishi, Y.)
Abstract	Multiple-Input Multiple-Output (MIMO) wireless system is one of the most promising technologies for providing a large transmission capacity without expanding the frequency band in cellular mobile systems. This paper focuses on 2×2 MIMO capacity estimation through propagation measurements at 2GHz band. The authors conducted the measurement campaign in two regions in Fujimino (Saitama prefecture) and Yokohama (Kanagawa prefecture) Japan. The former is a typical residential area and the latter is an urban area. The paper compares MIMO spatial multiplexing efficiency in terms of the eigenvalue ratio between the single and orthogonal dual-polarization antenna configurations. The eigenvalue ratio is characterized by two parameters. One is cross-polarization discrimination (XPD) and the other is the normalized received signal strength indicator (RSSI), which represents the difference from the RSSI when free space propagation is assumed. It is verified that the MIMO capacity of the dual-polarization can be estimated from just the SNR because the dependency of the eigenvalue ratio on the propagation environment is small. In contrast, that of the single-polarization needs to consider both the eigenvalue ratio and the SNR because the eigenvalue ratios change significantly due to the propagation environment.
Starting Page	313
Ending Page	318
File Size	2216439
Page Count	6
File Format	PDF
ISBN	9781424481286
e-ISBN	9781424481293
e-ISBN	9781424481279
DOI	10.1109/APCC.2010.5679716
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-31
Publisher Place	New Zealand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	MIMO Eigenvalues and eigenfunctions Antenna measurements Transmitting antennas Signal to noise ratio normalized RSSI component MIMO capacity eigenvalue ratio XPD
Content Type	Text
Resource Type	Article

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