说明：  信息社会日益增长的需求， 促使着无线通信技术的不断发展。计划于2020年进入商业运营的5Ｇ 无线通信技术， 尚在探索和研究阶段。从无线通信的发展历程出发， 介绍了当前国内外的无线通信发展的最新趋势， 然后从频谱资源紧缺、系统容量亟需提高的角度， 着重介绍了两个关键的物理层技术一毫米波通信技术和大规模Ｍ ＩＭＯ 技术， 以应对未来无线通信的发展要求。此外，还概括性地介绍了 ５Ｇ 无线通信系统的应用场景以及未来的发展趋势
(The increasing demand of information society promotes the continuous development of wireless communication technology.5G wireless communications technology, which is scheduled to enter commercial operation in 2020, is still in the exploration and research phase.Starting from the development of wireless communication, this paper introduces the current development of wireless communication at home and abroad the latest trends, and then from the shortage of spectrum resources, needs to improve system capacity point of view, introduces the two key physical layer technology a millimeter wave communication technology and mass M IMO, in response to the development requirements of the wireless communication in the future.In addition, the application scenarios and future development trends of 5G wireless communication system are also introduced)