NDLI: Polarization rotation evaluation for macrocell MIMO channel

Content Provider	IEEE Xplore Digital Library
Author	Lei Jiang Thiele, L. Jungnickel, V.
Copyright Year	2009
Description	Author affiliation: Fraunhofer Institute for Telecommunications, Heinrich-Hertz-Institut Einsteinufer 37, D-10587 Berlin, Germany (Lei Jiang; Thiele, L.; Jungnickel, V.)
Abstract	In this paper, the impact of the polarization on the performance of the multiple-input multiple-output (MIMO) channel with cross-polarized antennas has been investigated based on the outdoor macrocell measurement at 2.53 GHz. A simple model which can capture the major characteristics of the cross polarized channel is proposed. The effective polarization rotation during the propagation is evaluated using the proposed model, and found to follow a bimodal Rayleigh distribution. The commonly accepted uniform distribution polarization rotation angle is a reasonable but coarse assumption compared with our estimated results. The vertical and horizontal polarization perform similarly in line-of-sight (LOS) scenario, but may be different in non-LOS (NLOS) scenario depending on the environment where the receiver is located. The polarization diversity outperforms the spatial diversity in LOS scenario, but shows relatively small gain in a rich scattering scenario. This is further proofed by the comparison of the capacity of a 4 × 4 MIMO channel with cross-polarized antennas.
Starting Page	21
Ending Page	25
File Size	375161
Page Count	5
File Format	PDF
ISBN	9781424435845
DOI	10.1109/ISWCS.2009.5285242
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-07
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Macrocell networks Antenna measurements Polarization Diffraction Transmitting antennas Receiving antennas Antennas and propagation MIMO Rotation measurement Antenna accessories
Content Type	Text
Resource Type	Article

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