Low-Mutual-Coupling 60-GHz MIMO Antenna System With Frequency Selective Surface Wall

Karimian, Reza; Kesavan, Arun; Nedil, Mourad; Denidni, Tayeb A.

doi:10.1109/lawp.2016.2578179

Cited by 119 publications

(72 citation statements)

References 16 publications

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“…In addition, the size reduction of DRA was proposed for several possible modes by utilizing the concept of symmetric and antisymmetric mode characteristics . All of these benefits make DRA the right candidate for MIMO systems …”

Section: Introductionmentioning

confidence: 99%

“…Moreover, parasitic structures with metallic entities are also investigated by Sharawi et al to reduce the mutual coupling between antennas. Metamaterial surface shields and frequency selective surface walls (FSSs) have been used to avoid parasitic waves between antenna elements. A two‐element, 4‐port, and 8‐port CDRA diversity/MIMO system with bidirectional pattern diversity is proposed by Das et al for WLAN applications.…”

Section: Introductionmentioning

confidence: 99%

“…15 All of these benefits make DRA the right candidate for MIMO systems. [16][17][18][19][20][21] Two symmetric feed lines are used to excite orthogonal modes for reducing mutual coupling in the LTE standard. 16 In Reference 17, an orthogonal feed network is investigated to obtain a good isolation level (20 dB).…”

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confidence: 99%

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Ultra‐compact 4‐port DR antenna for multi‐input multi‐output standards

Belazzoug

Messaoudene

Aidel

et al. 2020

Int J RF Microw Comput Aided Eng

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Here, an ultra‐compact Multi‐Input‐Multi‐Output (MIMO) antenna system is presented for Wireless Local Area Network (WLAN) applications. The proposed antenna compactness approach is based on using Cylindrical‐Dielectric‐Resonator‐Antenna (CDRA) symmetry with the help of image theory to achieve the best size reduction of the resonators and maintain the resonance frequency of the original CDRA. The electric/magnetic walls approach is utilized to miniaturize the size by exploring the symmetry and antisymmetry of the resonant mode. First, a CDRA for MIMO system is designed and tested in terms of return loss and radiation efficiency. Then, two configurations of MIMO‐Antennas (two and four ports) are examined by using the same substrate size. The 2‐port‐MIMO antenna is built from two half‐CDRs (HCDRs) facing each other. Similarly, four‐quarter‐CDRs (QCDRs) are created to form a 4‐port MIMO antenna system. As a result, a 75% size reduction is achieved (size of 30 × 30 × 7.62 mm3). The measured impedance bandwidth for the 4‐port MIMO antenna is 5.4% (5.4‐5.7 GHz), with more than 15 dB isolation levels. Proper levels of Envelope Correlation Coefficients (ECCs) are also achieved (1 × 10−2‐4 × 10−2), with a channel capacity loss (CCL) of 0.04 bits/S/Hz. The proposed MIMO antennas are suitable for compact wireless communication systems.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Ultra‐compact 4‐port DR antenna for multi‐input multi‐output standards

Belazzoug

Messaoudene

Aidel

et al. 2020

Int J RF Microw Comput Aided Eng

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“…Since the mutual coupling could affect the performance of the phased array in several aspects, different methods employing MTMs have been proposed to mitigate the mutual coupling and improve the return loss and gain, such as electromagnetic bandgap (EBG) [6], split-ring resonators (SRR) [7], and frequency-selective surfaces (FSS) [8]. In this paper, in order to minimize the mutual coupling, the concept of EBG is applied and analyzed.…”

Section: Introductionmentioning

confidence: 99%

“…The proposed microstrip array operates at X band (8)(9)(10)(11)(12), which is used for military and civilian interests. Also, devices operating at X band are employed in satellite communications, broadcast systems, radar, and so on.…”

Section: Introductionmentioning

confidence: 99%