Abstract
The article mainly presents that a simple antenna structure with only two branches can provide the characteristics of dual-band and wide bandwidths. The recommended antenna design is composed of a clockwise spiral shape, and the design has a gradual impedance change. Thus, this antenna is ideal for applications also recommended in these wireless standards, including 5G, B5G, 4G, V2X, ISM band of WLAN, Bluetooth, WiFI 6 band, WiMAX, and Sirius/XM Radio for in-vehicle infotainment systems. The proposed antenna with a dimension of 10 × 5 mm is simple and easy to make and has a lot of copy production. The operating frequency is covered with a dual-band from 2000 to 2742 MHz and from 4062 to beyond 8000 MHz and, it is also demonstrated that the measured performance results of return loss, radiation, and gain are in good agreement with simulations. The radiation efficiency can reach 91% and 93% at the lower and higher bands. Moreover, the antenna gain can achieve 2.7 and 6.75 dBi at the lower and higher bands, respectively. This antenna design has a low profile, low cost, and small size features that may be implemented in autonomous vehicles and mobile IoT communication system devices.
Highlights
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations
It can be seen that the antenna design of IoT mobile devices with multi-band operation capabilities will be in great demand in the future market
This design is suitable for eight novel wireless communication systems, including Beyond-5G for low for earth-orbiting satellite (LEO) Device to Device (D2D) application, 5G, 4G, V2X, DSRC, WiFi 6 band, WLAN, and WiMAX systems
Summary
Publisher’s Note: MDPI stays neutral with regard to jurisdictional claims in published maps and institutional affiliations. The driving factors that trigger IoT applications include the low cost of storing and computing data on cloud platforms It includes emerging edge computing trends, the decline in data, sensors, equipment costs, and the availability of mobile application development platforms [5]. Multi-band antennas have integrated the applications of multiple wireless communication standards. It can be seen that the antenna design of IoT mobile devices with multi-band operation capabilities will be in great demand in the future market. Many design and development methods have been extended to multi-band antennas and integrated into various wireless communication product applications. This research article mainly presented a miniaturized broadband-multiband planar monopole antenna with a clockwise spiral shape of two branches for Beyond-5G, 5G, 4G, V2X, DSRC, WiFi 6 band, WLAN, and WiMAX application in autonomous vehicles and mobile IoT communication system device
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