Design of transparent milimetre wave reflectarray antenna for 5G communication system

Mohd Zahari, Muhammad Zal Hasmi (2023) Design of transparent milimetre wave reflectarray antenna for 5G communication system. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The increase rate development of 5G communication systems has introduced the need for efficient and compact antenna solutions capable of supporting high-frequency millimeter wave signals. In order to get used to milimetre band, an antenna design needs to meet all the requirements of 5G. This project proposed a reflectarray antenna that can integrated with other component in flat surfaces without affecting the components performance. This work presents a design approach for a transparent millimeter wave reflectarray antenna specifically tailored for 5G applications. Reflectarray antennas offer the advantages of low profile, lightweight construction, and beam steering capabilities, making them suitable for deployment in various communication scenarios. The proposed design focuses on utilizing a transparent substrate to enable seamless integration into modern urban environments and aesthetically sensitive areas without compromising performance. The design process involves the careful selection of suitable transparent materials with desirable electrical properties, such as low loss and high permittivity. A printed patch array is then placed on the transparent substrate, which acts as a reflective element. By varying the size and spacing of these patches, the phase of the reflected millimeter wave signals can be adjusted to achieve the desired beam steering characteristics. Furthermore, advanced simulation tools are employed to optimize the antenna's performance parameters, including gain, directivity, and beam coverage. The impact of various design parameters, such as patch dimensions, spacing, and substrate thickness, is analyzed to achieve the desired operating frequency bands and beam steering capabilities. The proposed transparent millimeter wave reflectarray antenna offers several advantages, including compatibility with modern building materials, unobtrusive deployment, and enhanced aesthetic integration into urban environments. Moreover, the design demonstrates promising performance characteristics, such as high gain and wide beam coverage, suitable for meeting the demanding requirements of 5G communication systems.

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