An FSS-Based Nonplanar Quad-Element UWB-MIMO Antenna System

Bilal, Muhammad; Saleem, Rashid; Abbasi, Hammad. H.; Shafique, Muhammad Farhan; Brown, Anthony K.

doi:10.1109/lawp.2016.2615884

Cited by 62 publications

(51 citation statements)

References 8 publications

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“…In comparison with the MIMO antennas suggested in the literature, [11][12][13][14][15] the presented nonplanar MIMO/diversity antenna has many advantages (shown in Table 5) as follows: (a) the proposed antenna is comprised of eight resonating patches that offer extra degrees of freedom to enhance link reliability and communication capacity; (b) a single resonating element occupies many frequency bands, which can be used efficiently by means of diversity; (c) the antenna elements are positioned in a horizontal plane and vertical plane resulting in the production of extra polarization vectors; (d) the orthogonal orientation of the resonating elements offer pattern diversity and high isolation among the adjacent elements; (e) the total space covered by the presented antenna configuration is relatively less.…”

Section: Packaging Of Antennamentioning

confidence: 99%

“…Recently, several nonplanar MIMO antenna designs have been presented for wireless applications. [11][12][13][14][15] In, 11 a dualport UWB MIMO antenna with U-and F-shaped elements present on the rear side of the radiators was designed. In Reference, 12 a dual-port MIMO antenna comprised of square-shaped radiators and C-shaped metal strips loaded on the back side of the dielectric substrate was reported.…”

Section: Introductionmentioning

confidence: 99%

“…In Reference, 12 a dual-port MIMO antenna comprised of square-shaped radiators and C-shaped metal strips loaded on the back side of the dielectric substrate was reported. A quad-port MIMO antenna with radiating elements organized in a cuboidal geometry was presented in, 13 where an asymmetric radiator was present on the front side of the substrate, while on the back side, an inverted L-shaped and an array of FSS-based slotted-Y's decoupling elements were loaded. A quad-port MIMO antenna structure with crossed double-layered mushroom wall arrangement was presented in Reference, 14 whereas in Reference, 15 a hybrid MIMO antenna was reported.…”

Section: Introductionmentioning

confidence: 99%

“…A quad-port MIMO antenna structure with crossed double-layered mushroom wall arrangement was presented in Reference, 14 whereas in Reference, 15 a hybrid MIMO antenna was reported. In the above-mentioned non-planar configurations [11][12][13] , polystyrene foam was used to support (either back-to-back or orthogonal manner) the radiators. However, the utilization of reported decoupling techniques [5][6][7][8][9][10][11][12][13][14][15] in planar/nonplanar MIMO antenna configurations make their geometry complex.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

Design and packaging of ultra‐wideband multiple‐input‐multiple‐output/diversity antenna for wireless applications

Srivastava

Kumar

Kanaujia

et al. 2020

Int J RF Microw Comput Aided Eng

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In this article, a new compact eight‐element three‐dimensional (3D) design of ultra‐wideband (UWB) multiple‐input‐multiple‐output (MIMO) antenna is proposed. For realizing polarization diversity, four elements of the MIMO antenna are oriented horizontally and four elements are arranged vertically. In the horizontal arrangement, the antenna resonating elements are placed orthogonally to each other, which reduces interelement coupling and offers a consistent link with the wireless systems/devices. The proposed antenna shows a bandwidth (S11 ≤ −10 dB) of 17.99 GHz (2.83‐20.82 GHz) and isolation larger than 15 dB in the resonating band. The proposed MIMO/diversity antenna performance parameters such as envelope correlation coefficient, diversity gain, and total active reflection coefficient are evaluated and presented. Furthermore, the unit cell of the MIMO system is simulated for the packaged environment and it is observed that the antenna housing does not affect the antenna performance.

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Section: Packaging Of Antennamentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Design and packaging of ultra‐wideband multiple‐input‐multiple‐output/diversity antenna for wireless applications

Srivastava

Kumar

Kanaujia

et al. 2020

Int J RF Microw Comput Aided Eng

View full text Add to dashboard Cite

show abstract

“…Compared with the traditional wireless system, the ultra-wideband system has some advantages such as strong anti-multipath effect ability, strong anti-interference ability, insensitivity to channel fading, low cost and low system complexity [1]. Therefore, the UWB system is widely used, such as: multiple-input multiple-output (MIMO)communication systems [2,3], medical technologies [4,5], disaster rescue communication environments [6], plant root imaging [7], wireless vital signs monitoring [8], and so on.…”

Section: Introductionmentioning

confidence: 99%

Planar UWB Monopole Antenna with Tri-Band Rejection Characteristics at 3.5/5.5/8 GHz

Dong

Zhuang

2018

Information

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A triple band-notched ultrawide band (UWB) antenna is presented to avoid the interference of services working in the UWB band, such as WLAN, WiMAX and X-band satellite systems. The arc H-shaped slot on the radiating patch creates a low frequency notched band, while the other two band-notched bands are formed by cutting narrow slots on the ground plane. The presented antenna can operate on the ultrawide band efficiently and inhibit interference from three different kinds of narrow band communication systems. The simulation and measurement results show that the antenna has excellent band-notched function on the rejectband and almost omnidirectional radiation pattern on the passband.

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A High‐Performance 3D Eight‐Port THz‐MIMO Antenna System Verified With Machine Learning for Enhanced Wireless Communication Systems

Al‐Bawri,

Abdulkawi,

Sheta

et al. 2024

Int J Communication

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This article proposes an eight‐port octagonal‐shaped multiple‐input multiple‐output (MIMO) wideband 3D antenna system for terahertz (THz) applications. The 3D configuration of the proposed THz‐MIMO antenna is placed on a 55‐μm‐thick polyimide substrate. A modified butterfly‐shaped radiating patch and full ground plane make up the single antenna element. Every antenna element spans a wide impedance bandwidth for THz spectrums from 0.9‐ to 1.68‐THz frequency band, a frequency operating range with the highest radiation efficiency of 98% and is printed in a compact size of 130 × 110 μm2 (0.00004 × 0.00005 , with respect to the lowest operating frequency). The THz‐MIMO antenna system with eight ports is composed of both symmetric and nonsymmetric array arrangements. For configurations that are symmetric or nonsymmetric, the estimated MIMO performance parameters, envelope correlation coefficient (ECC) < 0.01 within allowable bounds, diversity gain (DG) exceeding 9.99 dB, total active reflection coefficient (TARC) < −10 dB, and channel capacity loss (CCL) below 0.2 bits/s/Hz, and the exhibited gain is above 7.5 dBi. Furthermore, another approach, such as supervised regression machine learning (ML), is used to forecast antenna gain. The variance score, mean square error (MSE), root mean square error (RMSE), R square, mean squared logarithmic error (MSLE), mean absolute error (MAE), and so forth are used to gauge how well ML models perform. The accuracy of ridge regression gain prediction is approximately 98%, with errors of less than unity, which is better than the other ML models. The suggested THz‐MIMO antenna system is appropriate for the wireless communication networks operating in the sixth generation.

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An FSS-Based Nonplanar Quad-Element UWB-MIMO Antenna System

Cited by 62 publications

References 8 publications

Design and packaging of ultra‐wideband multiple‐input‐multiple‐output/diversity antenna for wireless applications

Design and packaging of ultra‐wideband multiple‐input‐multiple‐output/diversity antenna for wireless applications

Planar UWB Monopole Antenna with Tri-Band Rejection Characteristics at 3.5/5.5/8 GHz

A High‐Performance 3D Eight‐Port THz‐MIMO Antenna System Verified With Machine Learning for Enhanced Wireless Communication Systems

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