Split Ring Resonator Loaded Baffles for Decoupling of Dual-polarized Base Station Array

Mengting Li, Xiaoming Chen, Anxue Zhang, Wei Fan, Ahmed Kishk

Research output: Contribution to journalJournal articleResearchpeer-review

1 Citation (Scopus)

Abstract

Baffles loaded by split-ring resonator (SRR) are proposed to reduce the mutual coupling for ±45° dual-polarized multiple-input-multiple-output (MIMO) antenna. Each baffle consists of two rectangular SRR printed on one side of a 1 mm FR4 substrate. The final decoupling structure contains four baffles forming a barrier wall that reduces the coupling over the 5G band of 3.4-3.8 GHz. Dual-polarized cross-dipole array with SRR loading baffles is simulated and measured to demonstrate their effectiveness in the coupling reduction. The results show that the mutual coupling can be effectively reduced below-25 dB over the entire bandwidth while maintaining a compact array.

Original languageEnglish
Article number9184104
JournalI E E E Antennas and Wireless Propagation Letters
Volume19
Issue number10
Pages (from-to)1828-1832
Number of pages5
ISSN1536-1225
DOIs
Publication statusPublished - Oct 2020

Keywords

  • Decoupling
  • dual-polarized
  • multiple-input-multiple-output (MIMO) antenna

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