2GHz band MIMO propagation measurement of dual polarized antennas in a residential area

Authors:
Shinobu Nanba;Masashi Fushiki;Yuuki Hirota;Yoji Kishi
Affiliations:
KDDI R&D Laboratories Inc., Ohara, Fujimino-shi, Saitama, Japan;KDDI R&D Laboratories Inc., Ohara, Fujimino-shi, Saitama, Japan;KDDI R&D Laboratories Inc., Ohara, Fujimino-shi, Saitama, Japan;KDDI R&D Laboratories Inc., Ohara, Fujimino-shi, Saitama, Japan
Venue:
Proceedings of the 6th International Wireless Communications and Mobile Computing Conference
Year:
2010

Citing 2
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On Limits of Wireless Communications in a Fading Environment when UsingMultiple Antennas

Wireless Personal Communications: An International Journal
Multiple-input multiple-output fixed wireless radio channel measurements and modeling using dual-polarized antennas at 2.5 GHz

IEEE Transactions on Wireless Communications

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Abstract

Multiple Input Multiple Output (MIMO) wireless system is the most promising technology for next generation cellular mobile systems due to its high-speed data transmission capability. This paper focuses on the MIMO propagation characteristics in 2GHz bands. From the viewpoint of cell coverage planning of OFDMA-MIMO systems, it is important to know the key parameters required to estimate MIMO capacity. This paper shows the difference in the propagation characteristics of dual and single polarized MIMO by conducting experimental measurements. It emerged that the ratios of the eigenvalues of the channel matrix, which represent the channel capacity, depend on cross-polarization discrimination (XPD). It was confirmed that there is a positive correlation between XPD and the eigenvalue ratio for dual polarization and a negative correlation for single polarization respectively.