Isolation Improvement in UWB MIMO Antenna System Using Carbon Black Film

Guo Sheng Lin, Che Hui Sung, Jing Lun Chen, Lih Shan Chen, Mau Phon Houng

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

A carbon black film was used to enhance the isolation of ultrawideband multiple-input-multiple-output (MIMO) antenna system, which could absorb the interference between two or more antenna elements. We investigated the proportion of carbon black film, coated position and area, and the properties of MIMO antenna system to enhance the isolation in MIMO system. The properties of the carbon black film-coated antenna are as follows: At 2.5-11 GHz, S{11} <-10 dB, and S{21} <-15 dB; average efficiency 69.2%; gain >2.11 dBi; and envelope correlation coefficients <0.02. Results indicate that the film can be applied to various MIMO systems.

Original languageEnglish
Article number7479549
Pages (from-to)222-225
Number of pages4
JournalIEEE Antennas and Wireless Propagation Letters
Volume16
DOIs
Publication statusPublished - 2017 Jan 1

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

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