Pattern Diversity Mimo 4g and 5g Wideband Circularly Polarized Antenna With Integrated Lte Band for Mobile Handset

Chaudhary, Prashant; Kumar, Ashwani; Yadav, Avanish

doi:10.2528/pierm19111202

Cited by 10 publications

(3 citation statements)

References 14 publications

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“…1. Several pattern-diversity schemes have been proposed [23][24][25][26][27][28][29][30][31], but these schemes would be in-operational for orthogonal beams or would not necessarily fit compactly in a commercial smartphone. Hence, a corner bent shared ground orthogonal beam switching module is presented.…”

Section: Introductionmentioning

confidence: 99%

Compact Bent-Corner Orthogonal Beam Switching Antenna Module for 5G Mobile Devices

Karthikeya¹,

Koul

Poddar

et al. 2022

J Electromagn Eng Sci

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Typically, users engage with smartphones in either single-hand or dual-hand mode. To design antennas that operate at 28 GHz and have high pattern integrity for both modes of operation, an orthogonal beam switching module is required as a single phased-arrays would fail. First, a corner bent corporate fed array operating at 28 GHz is proposed, which has a forward gain of 8.5 dBi and a high-front-to-back ratio of 20 dB. Second, a corner bent printed Yagi antenna that also operates in the 28 GHz band is proposed. Both the corner bent antennas are compatible with the panel edge of commercial smartphones. The radiation from both antennas is mostly directed away from the user. A corner bent co-polarized orthogonal beam switching module is presented and characterized. The antenna module also has a shared ground, making it a potential candidate for future 5G smartphones. Detailed results are presented with adequate justification.

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Section: Introductionmentioning

confidence: 99%

Compact Bent-Corner Orthogonal Beam Switching Antenna Module for 5G Mobile Devices

Karthikeya¹,

Koul

Poddar

et al. 2022

J Electromagn Eng Sci

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“…A circular polarization (CP) diversity cavity‐backed SIW antenna is also presented in Reference 14 in which the sense of polarization is controlled with the diodes. Some recently reported research works in a planar configuration have both pattern and polarization diversity with wideband CP simultaneously 15–17 . In Reference 15, a wideband circularly polarized MIMO antenna with pattern and polarization diversity for 4G and 5G with integrated sub‐6 5G and LTE band for the mobile handset is reported, while in Reference 16 the MIMO antenna with wideband CP in X‐band with pattern and polarization diversity is suggested.…”

Section: Introductionmentioning

confidence: 99%

“…Some recently reported research works in a planar configuration have both pattern and polarization diversity with wideband CP simultaneously 15–17 . In Reference 15, a wideband circularly polarized MIMO antenna with pattern and polarization diversity for 4G and 5G with integrated sub‐6 5G and LTE band for the mobile handset is reported, while in Reference 16 the MIMO antenna with wideband CP in X‐band with pattern and polarization diversity is suggested. In Reference 17, a three‐element MIMO antenna with pattern and polarization diversity for WLAN application is proposed, while in Reference 18 a planar antenna with frequency reconfigurable dual‐band MIMO antenna with pattern and polarization diversity is discussed for WiFi and WiMAX.…”

Section: Introductionmentioning

confidence: 99%

360° angular coverage pattern and polarization diversities wideband circularly polarized multiple input multiple output antennas

Chaudhary

Kumar

et al. 2021

Int J RF Mic Comp-Aid Eng

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This article presents a new design of six‐element prism and eight‐element cubic circularly polarized multiple input multiple output (MIMO) antennas exhibiting pattern and polarization diversity characteristics. The proposed antennas have 360° angular coverage. Each element of the MIMO antenna is radiating power in a different direction; antenna‐1 radiates in −30°, antenna‐2 radiates in 30°, antenna‐3 radiates in 60°, and antenna‐4 radiates in 120°. Antenna‐5 radiates in 150°, antenna‐6 radiates in −150°, antenna‐7 radiates in −120°, and antenna‐8 radiates in −60°.The radiation pattern can be directed in a specific direction by exciting the particular antenna element. It has wideband circular polarization in X‐band (8.0–11.8 GHz). The proposed MIMO antenna element consists of pairs of mirrored monopole antennas facing each other are configured in the form of the prism and cube. The chance of mutual coupling is very high in both the configuration. A hollow copper cylinder is placed inside the prism and cube to reduce the mutual coupling. The isolation between the antennas is found better than −24 dB. The impedance matching bandwidth is 3.8 GHz (8–11.8 GHz), and the 3 dB axial ratio bandwidth is 2.69 GHz (8.01–10.7 GHz). The envelope correlation coefficient is less than 0.09, and total active reflection coefficient is less than −10 dB in a wide bandwidth. High isolation and uncorrelated radiation patterns between the adjacent elements make the proposed six‐element and eight‐element antenna a good candidate for massive MIMO antenna systems. The size of the antenna is 38.8 × 38.8 × 23 mm3, and this compact MIMO antenna is useful for X‐band communication.

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Antenna Systems for Smartphones

Koul

Karthikeya²

2021

Signals and Communication Technology

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Pattern Diversity Mimo 4g and 5g Wideband Circularly Polarized Antenna With Integrated Lte Band for Mobile Handset

Cited by 10 publications

References 14 publications

Compact Bent-Corner Orthogonal Beam Switching Antenna Module for 5G Mobile Devices

Compact Bent-Corner Orthogonal Beam Switching Antenna Module for 5G Mobile Devices

360° angular coverage pattern and polarization diversities wideband circularly polarized multiple input multiple output antennas

Antenna Systems for Smartphones

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