MIMO Wireless Communications: From Real-World Propagation to Space-Time Code Design
MIMO Wireless Communications: From Real-World Propagation to Space-Time Code Design
Polarization behavior of discrete multipath and diffuse scattering in urban environments at 4.5 GHz
EURASIP Journal on Wireless Communications and Networking
IEEE Transactions on Wireless Communications
On the available diversity gain from different dual-polarized antennas
IEEE Journal on Selected Areas in Communications
Effect of antenna polarization on the capacity of a multiple element system in an indoor environment
IEEE Journal on Selected Areas in Communications
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Cross-polarized antenna systems are an attractive way to reduce equipment size while maintaining low interantenna correlation. In this paper, the polarization behaviour of indoor channels is investigated. A measurement campaign has been conducted at 3.6 GHz for a dual-polarized transmitter and a tri-polarized receiver in a non-Line-of-Sight (NLOS) scenario. The spatial and delay characteristics are extracted using a pertap beamforming algorithm. Distinct paths are isolated and the polarization of each wave is expressed in terms of its spherical components. The cross-polarization discrimination (XPD) of the wave is investigated as a function of its physical propagation parameters. The XPD of the wave is shown to be sensitive to spatial characteristics, while being insensitive to delay.