An low-profile 4-multibeam antenna radiating parallel to ground plane

Fukusako, Takeshi; Imaizumi, Nobuhiro; Kuse, Ryuji

doi:10.1109/iwat.2018.8379248

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“…In recent years, some scholars have proposed MBAs without BFN in order to reduce the antenna volume and power consumption 7‐12 . In the Reference 7, a nine‐beam antenna was proposed.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Multi‐beam antenna based on annular slot and uneven metasurface

Zhang

2021

Int J RF Microw Comput Aided Eng

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In this paper, a multi‐beam antenna based on annular slot and uneven metasurface is proposed. Through using the uneven metasurface formed by patches with different dimensions as radiator, the beam is focus on the direction of θ = 32°. As a result, the gain is improved. Furthermore, by employing compound double annular slot on the ground plane, the gain is further raised and the backward radiation is reduced. The realized antenna has a dimension of 65 × 65 × 4.862 mm3 (equal to 1.08λ0 × 1.08λ0 × 0.08λ0). The results indicate that proposed antenna can operate from 4.95 to 5.42 GHz. In case that four ports of the antenna are excited respectively, four beams directed at (θ, ϕ) = (32°, 0°), (32°, 90°), (32°, 180°), (32°, 270°) can be observed.

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“…In recent years, some scholars have proposed MBAs without BFN in order to reduce the antenna volume and power consumption 7‐12 . In the Reference 7, a nine‐beam antenna was proposed.…”

Section: Introductionmentioning

confidence: 99%

“…All the patches can radiate effectively due to the mutual coupling. In the Reference 8, a four‐beam antenna based on four loop elements to radiate vertical polarization was proposed. Its thickness was only 3.2 mm.…”

Section: Introductionmentioning

confidence: 99%