A Review on Different Techniques of Mutual Coupling Reduction Between Elements of Any MIMO Antenna. Part 2: Metamaterials and Many More. Issue 3 (16th March 2021)

• Record Type: Journal Article
• Authors: Kumar, Amit; Ansari, Abdul Quaiyum; Kanaujia, Binod Kumar; Kishor, Jugul; Matekovits, Ladislau
• Is Part Of: Radio science. Volume 56:Issue 3(2021)
• Page Start: n/a
• Page End: n/a
• Publication Date: 2021-03-16
• Subjects: microstrip antennas -- MIMO antennas -- mutual coupling reduction; Radio meteorology -- Periodicals; Radio wave propagation -- Periodicals; 621.38405
• DOI: 10.1029/2020RS007222
• Languages: English
• ISSNs: 0048-6604

Abstract

Abstract: This two‐part article presents a review of different techniques of mutual coupling (MC) reduction. MC reduction is a primary concern while designing a compact multiple‐input‐multiple‐output (MIMO) antenna where the separation between the antennas is less than λ0 /2, that is, half of the free‐space wavelength. The negative permittivity and permeability of artificially created materials/structures (Metamaterials) significantly help reduce MC among narrow‐band compact MIMO antenna design elements. In this part two of the review paper, we will discuss techniques: Metamaterials; Split‐Ring‐Resonator; Complementary‐Split‐Ring‐Resonator; Frequency Selective Surface, Metasurface, Electromagnetic Band Gap structure, Decoupling and Matching network, Neutralization line, Cloaking Structures, Shorting vias and pins and few more. Key Points: Mutual coupling (MC) reduction among antenna elements is a significant challenge while designing a compact MIMO antenna design The negative permittivity and permeability property of Metamaterials helps in suppressing the ground wave propagation Some more MC reduction techniques have been discussed thoroughly in this article, like Electromagnetic Band Gap (EBG) structure, Decoupling and Matching network, and Neutralization line