- 标题
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- 实验方案
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Air-Filled Substrate Integrated Waveguide Fed Magneto-Electric Dipole Antenna Array for Millimeter-Wave Applications
摘要： A substrate integrated magneto-electric (ME) dipole antenna array with an improved radiation efficiency is presented in the 28-GHz band. A novel full-corporate air-filled substrate integrated waveguide (SIW) feed network with low losses is designed and realized by utilizing the low-cost printed circuit board (PCB) facilities. Different from most previous millimeter-wave planar arrays consisting of 2 × 2 sub-arrays, an SIW fed sub-array with a larger size of 2 × 4 is investigated to simplify the configuration of the major portion of the array feed network, which is of importance to the successful realization of the air-filled SIW feed network. An 8 × 8 array prototype with a four-layered geometry is fabricated and measured to verify the design. The array has an impedance bandwidth of 25.9%, a gain up to 26 dBi and stable radiation patterns over the operating band. Benefitted from the absence of the significant dielectric loss in the feed network, a high antenna efficiency of 80% is also achieved. The proposed design provides an effective method to improve the achievable gain and efficiency characteristics of the substrate-integrated arrays with a large size that are attractive for millimeter-wave wireless applications.
关键词： feed network,Antenna array,aperture-coupled magneto-electric (ME) dipole antenna,dielectric loss,millimeter-wave,air-filled substrate integrated waveguide (SIW)
更新于2025-09-11 14:15:04
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[Institution of Engineering and Technology 12th European Conference on Antennas and Propagation (EuCAP 2018) - London, UK (9-13 April 2018)] 12th European Conference on Antennas and Propagation (EuCAP 2018) - Wideband Millimeter-Wave End-Fire Magneto-Electric Dipole Antenna Fed by Substrate Integrated Coaxial Line
摘要： A wideband millimeter-wave magneto-electric (ME) dipole antenna with end-?re radiation, which is fed by the substrate integrated coaxial line (SICL), is designed, fabricated, and measured. First, the ME-dipole antenna excited by a planar L-probe is presented to realize wideband performance. Then, a wideband impedance conversion structure is used to connect the antenna and the feeding port. A simple conversion structure for the SICL to the grounded coplanar waveguide is used for the antenna test. Finally, the simulation and measurement results validate the proposed end-?re ME-dipole antenna. The overall bandwidth is greater than 40% considering both impedance bandwidth and 3-dB gain bandwidth.
关键词： wideband antenna,magneto-electric (ME) dipole antenna,substrate integrated coaxial line (SICL),end-?re
更新于2025-09-04 15:30:14