Wideband High-Efficiency Slot Array Antenna Based on Gap Waveguide Single-Layer Feeding Network

被引：0

作者：

Askarzadeh, Rahman ^{[1
]}

Farahbakhsh, Ali ^{[1
,2
]}

Zarifi, Davood ^{[2
,3
]}

Zaman, Ashraf Uz ^{[4
]}

机构：

[1] Grad Univ Adv Technol, Dept Elect & Comp Engn, Kerman 7631885356, Iran

[2] Gdansk Univ Technol, Fac Elect Telecommun & Informat, Dept Microwave & Antenna Engn, PL-80233 Gdansk, Poland

[3] Univ Kashan, Sch Elect Engn, Kashan 8731753153, Iran

[4] Chalmers Univ Technol, Dept Signals & Syst, SE-41296 Gothenburg, Sweden

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2025年 / 24卷 / 02期

关键词：

Antenna arrays; Slot antennas; Power dividers; Gap waveguide; Antenna feeds; Wideband; Broadband antennas; Impedance; Antenna measurements; Millimeter wave communication; E-plane groove gap waveguide; gap waveguide; high gain; ridge gap waveguide; single layer; slot array antenna; wideband; GHZ BAND;

D O I：

10.1109/LAWP.2024.3506712

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

A single-layer, full metal, wideband, and high-efficiency slot array antenna operating in V band [(50 to 75) GHz] is proposed using a single corporate-feeding network based on gap waveguide (GW) technology. Compared with conventional multilayered slot array antenna, the proposed antenna utilizes only one waveguide feeding layer to excite the radiation slots; therefore, the assembly complexity of multilayer waveguide and manufacturing cost is greatly decreased. The proposed 16 x 16 slot array antenna consists of four 64-element smaller array antennas in which all radiation slots are fed by an E-plane groove gap waveguide (EGGW). Power division in each of the 8 x 8 element array antenna is realized by a wideband combined ridge and EGGW power divider. Two wideband E-plane groove gap waveguide T-junctions have been used to connect all four 64-element subarray antennas with proper phase and equal amplitude together to obtain higher gain. The final 16 x 16 slot array antenna has a peak gain of 32 dBi gain and about 36% impedance bandwidth at V band. Also, the full metal antenna array has an average efficiency of 80% over the entire bandwidth of 50 GHz to 72 GHz.

引用

页码：519 / 523

页数：5

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