Dual Polarized Dual Antennas for 1.7–2.1 GHz LTE Base Stations

Arya, Ashwini Kumar; Anh, Nguyễn Việt; Aziz, Rao Shahid; Park, Byeong Yong; Park, Seong‐Ook

doi:10.1109/lawp.2015.2410344

Cited by 21 publications

(13 citation statements)

References 12 publications

(4 reference statements)

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“…In order to obtain higher channel capacity for the MIMO system, the polarization diversity method is applied in this work, so that all 8-antennas can be allowed into the limited space of a smartphone, and good isolations between antenna elements are also achieved. Notably, conventional design methods to achieve dual polarization are not suitable for smartphones [19][20][21][22].…”

Section: Design Processmentioning

confidence: 99%

Eight-Port Orthogonally Dual-Polarized Antenna Array for 5G Smartphone Applications

Ban

et al. 2016

IEEE Trans. Antennas Propagat.

309

210

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A dual-polarized hybrid 8-antenna array operating in the 2.6-GHz band (2550-2650 MHz) for 5G communication multi-input multi-output (MIMO) operation in the smartphone is presented. The proposed hybrid antenna array elements are symmetrically placed along the long edges of the smartphone, and they are composed of two different 4-antenna array types (C-shaped coupled-fed and L-shaped monopole slot) that exhibit orthogonal polarization. Therefore, coupling between the two antenna array types can be reduced, and the MIMO system performances are enhanced. A prototype of the proposed 8-antenna array is manufactured and measured. Good impedance matching (10 dB return loss or better), desirable cross polarization discrimination (XPD better than 15 dB) and acceptable isolation (better than 12.5 dB) are obtained. Envelope correlation coefficient (ECC) and channel capacity are also calculated to evaluate the MIMO performances of the proposed antenna array.

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Section: Design Processmentioning

confidence: 99%

Eight-Port Orthogonally Dual-Polarized Antenna Array for 5G Smartphone Applications

Ban

et al. 2016

IEEE Trans. Antennas Propagat.

309

210

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“…The E-shaped printed monopole antenna introduced in [10] has been shown to be suitable for MIMO application. This antenna structure can be further developed to include higher number of frequency bands with tuning capabilities.…”

Section: Generation Of Resonance Frequenciesmentioning

confidence: 99%

“…The design of a single band four-element printed monopole antenna for LTE base station application is given in [10]. In [11], a low profile printed MIMO antenna with split ring resonators for WLAN applications is presented.…”

Section: Introductionmentioning

confidence: 99%

A Penta-Band Printed Monopole Antenna for Mimo Applications

Mohammad-Ali-Nezhad¹,

Hassani²

2018

PIER C

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Abstract-An E-shaped printed monopole antenna with loaded resonant elements suitable for pentaband multi-input multi-output (MIMO) application is proposed. The simple E-shaped monopole antenna results in a single resonance, and by loading the vertical arm of the antenna with narrow slots and stubs, a multi-band antenna can be obtained. The slots so placed on the antenna create L-shaped resonance paths which are multiples of λ g /4, and stubs resonate at λ g /4. The antenna is designed for operation over the UMTS, WiMAX and WLAN frequencies 2.1, 2.5, 3.5, 5.2, 5.8 GHz. A two element array of such antennas with close spacing of λ g /15 is suitable for MIMO application. The array has low mutual coupling, low envelope correlation, high efficiency and good radiation patterns over all five frequency bands. Simulation and measurement results are compared and discussed.

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“…A common application of MIMO antennas is for WLAN, LTE, GSM, and UMTS coverage. Lately, there has been an increase in the demand of indoor base stations/repeaters for indoor small coverage [3][4][5][6][7]. In [3], the proposed antenna covers a broadband bandwidth (1710-2690 MHz); however, the wide bandwidth is achieved by employing a complex structure of parasitic elements and a cavity of electric wall that raises the question about the feasibility of implementation in user's terminals or compact indoor base stations.…”

Section: Introductionmentioning

confidence: 99%

A Compact Dual-Band CPW-Fed MIMO Antenna for Indoor Applications

Morsy

2019

International Journal of Antennas and Propagation

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A compact dual-band multiple-input-multiple-output (MIMO) antenna for LTE700, GSM1900, and UMTS applications with high isolation is presented. To enhance impedance matching and multiband operation, two inverted L-shaped monopoles are printed in the circular slot of the ground plane. The single element design is mirrored along the diameter of the circular slot of the ground plane. A strip is employed between the two radiators in order to mitigate the mutual coupling effect and enhance the impedance matching at operating bandwidths. Moreover, two slits are inserted in the ground plane in order to disturb the current distribution between radiating elements, and hence, the isolation between elements is improved. The measured 10 dB return loss bandwidth is 100 MHz (698–798 MHz) and 359 MHz (1765-2124 MHz) over the LTE700, GSM1900, and UMTS bands. The measured isolation between the two ports is less than -13 dB over the LTE700 bands while it is recorded to be less than -17 dB over the GSM1900 and UMTS bands. In addition, parametric studies of the proposed MIMO antenna are performed, and the surface current analysis is discussed to show the effect of the isolation structure. The radiation patterns are measured, and envelope correlation coefficient is calculated. The simulated results are in good agreement with measurements.

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Dual Polarized Dual Antennas for 1.7–2.1 GHz LTE Base Stations

Cited by 21 publications

References 12 publications

Eight-Port Orthogonally Dual-Polarized Antenna Array for 5G Smartphone Applications

Eight-Port Orthogonally Dual-Polarized Antenna Array for 5G Smartphone Applications

A Penta-Band Printed Monopole Antenna for Mimo Applications

A Compact Dual-Band CPW-Fed MIMO Antenna for Indoor Applications

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