中文摘要：

第五代移动通信网络（5G）目前得到了全球企业、研究院所和高校的广泛关注和大量研究。详细介绍和总结了5G的发展历程和国内外研究进展,分析了基于虚拟化的5G网络架构。从无线传输、无线接入、网络这3个角度,深入全面地介绍了5G潜在的关键技术及最新进展,包括大规模多天线、全双工、信道建模与信道编码等,分析了其中一些关键技术的优缺点及未来可研究方向。最后,展望了5G未来发展的重点任务及主要方向。

英文摘要：

The fifth-generation（5G） mobile communications system has got extensive attention and research by enterprises, research institutes and universities of the world at present. The development history and domestic and abroad research progresses of 5G were described and summarized in detail. 5G network architecture based on virtualization were analyzed. From wireless transmission, wireless access and network perspectives, the potential key technologies of 5G, including massive MIMO, full-duplex, channel modeling, channel coding, etc. and their latest progress are introduced comprehensively and thoroughly. Some advantages, disadvantages and future research directions of some key technologies are analyzed. At last, key tasks and main directions of the future development of 5G are prospected.