Design of high-isolation wideband dual-polarized compact MIMO antennas with multi-objective optimization

Diqun Lu, Lu Wang, Erfu Yang, Gang Wang

Research output: Contribution to journalArticle

Abstract

Multi-objective optimization design of compact MIMO antennas with canonical structures (viz., transformation or combination by regular shapes) for wideband radiation and fragment structures (viz., combination by discrete fragment patches) for high isolation is proposed and demonstrated. In the design, MOEA/D-DE for optimization of canonical structures and MOEA/D-GO for optimization of fragment structures are combined and iterated. The design is demonstrated with compact bow-tie MIMO antennas sharing a small common ground plane. The four orthogonally deployed bow-tie antennas are optimized by using MOEA/D-DE to acquire dual polarization and wideband radiation. Fragment-type structures on the common ground plane are optimized by using MOEA/D-GO to acquire very high isolation. Both simulation and measurement show that the optimized MIMO bow-tie antennas provide isolation higher than 30dB in a relative bandwidth of 4o% (from 2.6GHz to 3.9GHz). With the proposed design technique, dual-band high isolation MIMO antennas may also be designed.

LanguageEnglish
Pages1-6
Number of pages6
JournalIEEE Transactions on Antennas and Propagation
Early online date18 Dec 2017
DOIs
StateE-pub ahead of print - 18 Dec 2017

Fingerprint

Multiobjective optimization
MIMO systems
Antennas
Radiation
Antenna grounds
Polarization
Bandwidth

Keywords

  • antenna
  • isolation
  • MIMO
  • optimization
  • wideband antennas

Cite this

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title = "Design of high-isolation wideband dual-polarized compact MIMO antennas with multi-objective optimization",
abstract = "Multi-objective optimization design of compact MIMO antennas with canonical structures (viz., transformation or combination by regular shapes) for wideband radiation and fragment structures (viz., combination by discrete fragment patches) for high isolation is proposed and demonstrated. In the design, MOEA/D-DE for optimization of canonical structures and MOEA/D-GO for optimization of fragment structures are combined and iterated. The design is demonstrated with compact bow-tie MIMO antennas sharing a small common ground plane. The four orthogonally deployed bow-tie antennas are optimized by using MOEA/D-DE to acquire dual polarization and wideband radiation. Fragment-type structures on the common ground plane are optimized by using MOEA/D-GO to acquire very high isolation. Both simulation and measurement show that the optimized MIMO bow-tie antennas provide isolation higher than 30dB in a relative bandwidth of 4o{\%} (from 2.6GHz to 3.9GHz). With the proposed design technique, dual-band high isolation MIMO antennas may also be designed.",
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Design of high-isolation wideband dual-polarized compact MIMO antennas with multi-objective optimization. / Lu, Diqun; Wang, Lu; Yang, Erfu; Wang, Gang.

In: IEEE Transactions on Antennas and Propagation, 18.12.2017, p. 1-6.

Research output: Contribution to journalArticle

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