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Collocated electric and magnetic dipoles as a reference antenna for polarization diversity MIMO applications

In English

Författare

  • Jiang Xiong
  • Mingyu Zhao
  • Hui Li
  • Zhinong Ying
  • Bingzhong Wang

Summary, in English

In this letter, a magnetic dipole (M-dipole) and an electric dipole (E-dipole) are designed to form a collocated polarization-diversity-based dual-antenna system. The M-dipole is a modified shielded loop with multiple feed, and the E-dipole is a traditional λ/2 dipole. Measured results show that both radiators have ideal impedance matching and port isolation and identical omnidirectional pattern with perfect orthogonal polarization at 860 MHz. The upper bound of the envelope correlation coefficient ρemax, with the measured antenna efficiency taken into account, is only 0.018, and it is the lowest value when compared to some previous publications. Excellent effective diversity gain and channel capacity are also achieved at the operating frequency. The proposed dual-antenna system can mainly be used as a reference antenna for evaluating the performance of future collocated polarization-diversity-based multiple-input-multiple-output (MIMO) antennas.

Publiceringsår

2012

Språk

Engelska

Publikation/Tidskrift/Serie

IEEE Antennas and Wireless Propagation Letters

Volym

11

Dokumenttyp

Artikel i tidskrift

Förlag

IEEE - Institute of Electrical and Electronics Engineers Inc.

Ämne

  • Electrical Engineering, Electronic Engineering, Information Engineering

Status

Published

Forskningsgrupp

  • Radio Systems

ISBN/ISSN/Övrigt

  • ISSN: 1548-5757