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Tri-polarized MIMO systems in real-world channels: Channel investigation and performance analysis

Authors
Journal
Physical Communication
1874-4907
Publisher
Elsevier
Volume
5
Issue
4
Identifiers
DOI: 10.1016/j.phycom.2012.04.004
Keywords
  • Wireless
  • Propagation
  • Mimo
  • Polarization

Abstract

Abstract Polarized multi-antenna systems are an effective solution for reducing inter-antenna spacing while still maintaining low inter-antenna correlation. Traditionally, only dual-polarized antenna systems are used for polarized transceivers. In this paper, tri-polarized antenna systems are investigated. Starting from the polarization mechanisms in the wireless propagation channel, it is shown that dual-polarized MIMO systems show high sensitivity to the transmitter and receiver orientation, which may be very critical in practical applications. Tri-polarized MIMO systems are introduced as a solution to obtain a robust MIMO performances, which are independent of the transmitter and receiver orientation. The performances of dual- and tri-polarized MIMO systems are evaluated on real-world measured channels, and the limits of each of these systems is highlighted.

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