Abstract Fifth-generation technology is not fully deployed in the world wireless communication till date. Millimeter-wave (mm-wave) band needs to be used due to plenty of available bandwidth and for achieving the goals of 5G such as greater data rate, ultra-high-speed video broadcasting, low latency services, and many more. Wideband antenna is required for 5G applications to access the high speed, low latency Internet services, and ultra-high-definition video streaming. Various bandwidth enhancement techniques have been reported by the researchers for microstrip antennas operating at microwave bands. High link losses, small wavelength, limited coverage, and environmental losses are the major challenges of mm-wave band. To mitigate these issues and satisfy 5G standard, an antenna with wide bandwidth, high gain, narrow steerable beam, high isolation, low side lobe levels, and multiband characteristics is required. Modifications in conventional antenna design techniques are required to achieve broader bandwidth along with stable radiation characteristics, improved gain, and low side lobe levels at mm-wave frequencies. This paper presents the survey of various bandwidth enhancement techniques which has been used in the 5G antennas designed by researchers. Reviews of some wideband 5G antennas with their performance comparisons are also discussed.

Tapan Nahar

Sanyog Rawat

International Journal of Microwave and Wireless Technologies

INTERNATIONAL JOURNAL OF MICROWAVE AND WIRELESS TECHNOLOGIES 的主要目标是加强全世界微波工程师之间的交流。因此，它是跨学科和面向应用的，为微波行业提供了一个平台。涵盖范围包括：应用电磁场理论（天线、传输线和波导）、组件（无源结构和半导体器件技术）、模拟和混合信号电路、系统、光-微波相互作用、电磁兼容性、工业应用、生物效应和医学应用程序。

The primary goal of the International Journal of Microwave and Wireless Technologies is to enhance communication among microwave engineers worldwide. This interdisciplinary and application-oriented journal provides a significant platform for the microwave industry. The scope includes: applied electromagnetic field theory (such as antennas, transmission lines, and waveguides), components (passive structures and semiconductor device technologies), analog and mixed-signal circuits, systems, optical-microwave interactions, electromagnetic compatibility, industrial applications, biological effects, and medical applications.

《International Journal of Microwave and Wireless Technologies》的主要目标是促进全球微波工程师之间的交流。该期刊跨学科且注重应用，为微波行业提供了一个重要的平台。其涵盖的领域包括：应用电磁场理论（如天线、传输线和波导）、组件（无源结构和半导体器件技术）、模拟与混合信号电路、系统、光-微波相互作用、电磁兼容性、工业应用、生物效应及医学应用等。

Survey of various bandwidth enhancement techniques used for 5G antennas

This paper presents the survey of various bandwidth enhancement techniques which has been used in the 5G antennas designed by researchers and reviews of some wideband 5G antenna with their performance comparisons are discussed.

Category	Quartile
计算机科学	4
计算机科学, 工程电子与电气	4
计算机科学, 电信学	4

Survey of various bandwidth enhancement techniques used for 5G antennas

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