Compact Slant $45^{\circ}$ Dual-Polarized Butler-based Omni-Directional MIMO Antennas

Shen, Lin‐Ping; Jamali, Hamid; Wu, Xiaoqing

doi:10.1109/aps/ursi47566.2021.9704781

Cited by 3 publications

(1 citation statement)

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“…For enhancement wireless network capacity in the field, they need to be mounting more antennas. In fact, for practical application of wireless network capacity enhancement of small cell coverage scenario, it requires to be performed in the limited size and cost effective [16][17][18].…”

Section: Introductionmentioning

confidence: 99%

A broadband Butler-based dual-polarized omni-directional antenna

Shen

Zhang

2023

Int. J. Microw. Wireless Technol.

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This paper presents a broadband Butler-based slant ±45° dual-polarized omni-directional antenna working at the frequency band of 1.69–2.69 GHz for extending wireless communication network capacity in the limited service size. The proposed antenna realizes a 360° full coverage with wider bandwidth in a compact cylinder and increases the network capacity to 6 × 6 MIMO instead of using three traditional 2 × 2 MIMO omni-directional antennas. Theoretical analysis, simulation, and fabrication are conducted to validate the idea of the proposed omni-directional antenna. The measured results show 46% bandwidth with 15 dB return loss, 2.2 dB azimuth null and 8.9–10.5 dBi gain for port-C with 0° phase increment, and 14.1 dB azimuth null and 9.6–10.6 dBi gain for port-L/R (left/right) with ±120° phase increment, respectively.

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Section: Introductionmentioning

confidence: 99%