This literature presents a comprehensive, technical review of circularly polarized (CP) antennas for different applications in wireless communication, emphasizing on the recent developments in the concerned research. The article also presents a comparative study of various works reported in the open literature, with an aim to highlight the contribution of CP antenna systems in the chronological development of the wireless communication technology. The primary motive of this review is to (a) highlight the methodologies used by different researchers to portray and analyze the different aspects in which CP antennas find their applications in modern-day wireless communication, (b) provide a practical viewpoint of the future scope of the study, based upon the past and present state-of-art research trends and (c) provide a conceptual and technical support to present-day antenna designers to help the process of furtherance of innovation and multiple system integration. In conclusion, the article also throws some light upon the future scope of research in the vast domain of CP antenna applications.

中文翻译：

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圆极化天线、趋势和进展综述

该文献对用于无线通信中不同应用的圆极化 (CP) 天线进行了全面的技术综述，重点介绍了相关研究的最新进展。本文还对公开文献中报道的各种工作进行了比较研究，旨在突出 CP 天线系统在无线通信技术按时间顺序发展中的贡献。这篇综述的主要目的是 (a) 强调不同研究人员用来描述和分析 CP 天线在现代无线通信中应用的不同方面的方法，(b) 提供未来范围的实用观点研究中，基于过去和现在的最新研究趋势，(c) 为当今的天线设计人员提供概念和技术支持，以帮助推进创新和多系统集成的过程。总之，本文还对 CP 天线应用这一​​广阔领域的未来研究范围提出了一些启示。