Abstract
This paper presents a new type of wideband waveguide (SIW) cavity-backed patch antenna for millimeter wave (mmW). The antenna proposed applies to applications of 31-36 GHz Ka-band such as satellites communications. The SIW is intended with settings for particular slots. The antenna is constructed on Rogers RT5880 (lossy) with 2.2 dielectric constant, l.27 mm thickness, and 0.0009 loss tangent. It is simulated in the programming of computer simulation technology (CST) Microwave Studio. The simulated results show that the SIW antenna resonates across 31 to 36 GHz bands, which means that this new antenna covers all applications within this range. The reflection coefficients in targeting range are below 10 dB. The antenna achieves good efficiency and gain with 80% and 8.87 dBi respectively.
Highlights
Integrated substrate waveguide (SIW) built through two parallel rows of thru-holes in a metalized planar substrate as shown in Figure 1 ends with an attractive transmission shape due to its simplicity of manufacture and the ability to integrate planar with active circuits [1]
These include the Substrate Integrated Waveguides (SIWs), initially presented as laminated waveguides as indicated in the study of [1,2,3,4], which can be executed by creating regular PCBs
The SIW structure is introduced in this paper as a modern antenna with wideband 31-36 GHz band covering radiation efficiency improvements in the 34-GHz band compared to the current planar feeding structure
Summary
Integrated substrate waveguide (SIW) built through two parallel rows of thru-holes in a metalized planar substrate as shown in Figure 1 ends with an attractive transmission shape due to its simplicity of manufacture and the ability to integrate planar with active circuits [1]. According to [5], SIW interconnects provide an excellent EMI for a broadband bandpass signaling medium, while traditional planar transmission lines are known as the bottleneck quality in broadband systems due to their limited bandwidth and high-frequency losses. Due to its ease of manufacture, small size, planar structure and lightweight, SIWs are very attractive for millimeter applications, numerous papers have been published to model long-term microstrip antennas in the Ka-band community with efforts to build impedance transmission capacity [12,13].
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