High performance MIMO antenna for 5G wearable devices

Zhu, Lijia; Hwang, Huan‐Sheng; Ren, Eugene; Yang, Guangli

doi:10.1109/apusncursinrsm.2017.8072977

Cited by 22 publications

(13 citation statements)

References 4 publications

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“…A number of wearable MIMO antennas with high port isolation have been reported in various literatures for the wireless applications. 5,[15][16][17][18] A wearable MIMO antenna that operates in the frequency spectrum from 2.4 GHz to 2.49 GHz for wireless local area network application is presented in Reference 5. It is reported that the design could achieve about 15 dB of port isolation.…”

Section: Introductionmentioning

confidence: 99%

A compact wide band textile MIMO antenna with very low mutual coupling for wearable applications

Biswas

Chakraborty

2019

Int J RF Microw Comput Aided Eng

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This communication presents a compact wide band wearable MIMO antenna with very low mutual coupling (VLMC). The proposed antenna is composed of Jeans material. Two “I” shaped stubs are connected in series and are employed on the ground plane between the two patches separated by 0.048 λ to increase isolation characteristics of the antenna‐port. The antenna covers frequency spectrum from 1.83 GHz to 8 GHz (about 125.5%) where the minimum port isolation of about 22 dB at 2.4 GHz and maximum of about 53 dB at 5.92 GHz are obtained. The envelope correlation coefficient (ECC) of the MIMO antenna is obtained to be less than 0.01 with a higher diversity gain (DG > 9.6) throughout the whole operating band. The proposed MIMO antenna is cost effective and works over a wide frequency band of WLAN (2.4‐2.484 GHz/5.15‐5.35 GHz/5.72‐5.825 GHz), WiMAX (3.2‐3.85 GHz) and C‐band downlink‐uplink (3.7‐4.2 GHz/5.925‐6.425 GHz) applications. Simulation results are in well agreement with the measurement results.

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Section: Introductionmentioning

confidence: 99%

A compact wide band textile MIMO antenna with very low mutual coupling for wearable applications

Biswas

Chakraborty

2019

Int J RF Microw Comput Aided Eng

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“…Proprietary RF modeling packages like XFDTD and HFSS are often used to model the response of elements within phased arrays and the behavior of arrays [6][7][8][9]. The XFDTD package, for example, relies on the finite difference time domain (FDTD) method.…”

Section: Introductionmentioning

confidence: 99%

Broadband RF Phased Array Design with MEEP: Comparisons to Array Theory in Two and Three Dimensions

Hanson

2021

Electronics

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Phased array radar systems have a wide variety of applications in engineering and physics research. Phased array design usually requires numerical modeling with expensive commercial computational packages. Using the open-source MIT Electrogmagnetic Equation Propagation (MEEP) package, a set of phased array designs is presented. Specifically, one and two-dimensional arrays of Yagi-Uda and horn antennas were modeled in the bandwidth [0.1–5] GHz, and compared to theoretical expectations in the far-field. Precise matches between MEEP simulation and radiation pattern predictions at different frequencies and beam angles are demonstrated. Given that the computations match the theory, the effect of embedding a phased array within a medium of varying index of refraction is then computed. Understanding the effect of varying index on phased arrays is critical for proposed ultra-high energy neutrino observatories which rely on phased array detectors embedded in natural ice. Future work will develop the phased array concepts with parallel MEEP, in order to increase the detail, complexity, and speed of the computations.

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“…There is very little literature accessible on wearable MIMO antenna systems. Several wearable MIMO antennas are reported in the literature with higher port isolation [6,7,12,25,26]. A lightweight, single-layer fabric MIMO antenna is suggested for wearable applications in [6].…”

Section: Introductionmentioning

confidence: 99%

“…The performance of a novel wearable MIMO antenna consisting of electro-textile antennas distributed at various human locations is analyzed in reference [25]. A wearable device dual band MIMO antenna to support 5G radio frequency has been presented in [26] operating from 3.3GHz to 3.6GHz and from 4.5GHz to 5GHz respectively. The extreme port isolation in this paper is approximately 17dB.…”

Section: Introductionmentioning

confidence: 99%

Design of a compact wearable ultrawideband MIMO antenna with improved port isolation

Dey¹,

Bhatt²,

Arif³

2021

Turk J Elec Eng & Comp Sci

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This communication presents a compact dual element wearable ultrawideband (UWB) multi-in multi-out (MIMO) antenna with increased port isolation. The suggested design consists of a jeans substrate in which a tree fashioned stub comprising of 8(eight) branches is introduced in the middle position of the partially etched antenna ground for improving the characteristics of port isolation. The proposed design occupies the frequency spectrum operating from 1.71 to 12.63GHz (impedance bandwidth of around 152.3 percent) and satisfies the bandwidth demands for WiMAX (3.2-3.8 GHz), WLAN (5.15-5.35/5.72-4.85 GHz), the C Downlink-uplink bands (3.7-4.2/5.9-6.425GHz), ITU bands (8-8.5GHz) and the downlink defense band (7.2-7.5GHz). The antenna is able to maintain isolation between the ports of > 22dB across the entire UWB frequency spectrum. The coefficient of the envelope correlation for the whole operating band was observed to be < 0.012 along with a very high diversity gain > 9.9. The channel power loss of the proposed wearable UWB MIMO antenna is found to be < 0.27 bit/s/Hz. The suggested UWB MIMO antenna, fascinated with optimization, covers an area of 35 x 35 mm 2. The suggested design is also able to perform satisfactorily when attached on-body. Simulation and testing fairly identified the performance of the antenna and rendered it to be an upstanding choice for wearable UWB applications.

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High performance MIMO antenna for 5G wearable devices

Cited by 22 publications

References 4 publications

A compact wide band textile MIMO antenna with very low mutual coupling for wearable applications

A compact wide band textile MIMO antenna with very low mutual coupling for wearable applications

Broadband RF Phased Array Design with MEEP: Comparisons to Array Theory in Two and Three Dimensions

Design of a compact wearable ultrawideband MIMO antenna with improved port isolation

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