Antenna Mutual Coupling Suppression Over Wideband Using Embedded Periphery Slot for Antenna Arrays

被引：72

作者：

Alibakhshikenari, Mohammad ^{[1
]}

Virdee, Bal S. ^{[2
]}

Shukla, Panchamkumar ^{[2
]}

See, Chan H. ^{[3
]}

Abd-Alhameed, Raed ^{[4
]}

Khalily, Mohsen ^{[5
]}

Falcone, Francisco ^{[6
]}

Limiti, Ernesto ^{[1
]}

机构：

[1] Univ Roma Tor Vergata, Elect Engn Dept, Via Politecn 1, I-00133 Rome, Italy

[2] London Metropolitan Univ, Ctr Commun Technol, Sch Comp & Digital Media, 166-220 Holloway Rd, London N7 8DB, England

[3] Univ Bolton, Sch Engn, Deane Rd, Bolton BL3 5AB, England

[4] Univ Bradford, Sch Elect Engn & Comp Sci, Richmond Rd, Bradford BD7 1DP, W Yorkshire, England

[5] Univ Surrey, ICS, 5G Innovat Ctr 5GIC, Guildford GU2 7XH, Surrey, England

[6] Univ Publ Navarra, Elect & Elect Engn Dept, Navarra 31006, Spain

来源：

ELECTRONICS | 2018年 / 7卷 / 09期

基金：

英国工程与自然科学研究理事会; 欧盟地平线“2020”;

关键词：

Mutual coupling suppression; slotted array antennas; synthetic aperture radar (SAR); Multiple-Input Multiple-Output (MIMO) systems; decoupling method; COMPACT EBG STRUCTURE; ISOLATION ENHANCEMENT; MICROSTRIP ANTENNAS; MIMO ANTENNAS; REDUCTION; ELEMENTS;

D O I：

10.3390/electronics7090198

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a new approach to suppress interference between neighbouring radiating elements resulting from surface wave currents. The proposed technique will enable the realization of low-profile implementation of highly dense antenna configuration necessary in SAR and MIMO communication systems. Unlike other conventional techniques of mutual coupling suppression where a decoupling slab is located between the radiating antennas the proposed technique is simpler and only requires embedding linear slots near the periphery of the patch. Attributes of this technique are (i) significant improvement in the maximum isolation between the adjacent antennas by 26.7 dB in X-band and >15 dB in Ku and K-bands; (ii) reduction in edge-to-edge gap between antennas to 10 mm (0.37 ); and (iii) improvement in gain by >40% over certain angular directions, which varies between 4.5 dBi and 8.2 dBi. The proposed technique is simple to implement at low cost.

引用

页数：11

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