The future wireless communication system faces the bottleneck of the shortage of traditional spectrum resources and the explosive growth of the demand for wireless services. Millimeter-wave communication with spectral resources has become an effective choice for the next generation of wireless broadband cellular communication. However, the transmission path loss is large and oxygen and water molecules absorb Characteristics such as seriousness have brought great challenges to millimeter wave communication, and it is necessary to seek a technical approach different from low-frequency wireless communication. In the analysis of millimeter wave transmission characteristics After the analysis, the research progress of millimeter wave communication technology and the RF front-end is comprehensively analyzed, and the technology of millimeter wave communication is thoroughly analyzed with technical challenges and proposed corresponding research directions.

翻译：未来无线通信系统面临传统频谱资源短缺和无线服务需求爆炸性增长的瓶颈。光谱资源中的千米波通信已成为下一代无线宽带蜂窝通信的有效选择。然而,传输路径损失巨大,氧和水分子吸收了诸如严重性等特点给毫米波通信带来巨大挑战,有必要寻求不同于低频无线通信的技术方法。分析后,全面分析了毫米波通信技术和RF前端的研究进展,对毫米波通信技术进行了彻底分析,提出了技术挑战,并提出了相应的研究方向。