CAJ | 학술논문

第五代通信系统是面向2020年以后人类信息社会需求的无线移动通信系统，它是一个多业务技术融合的网络，通过技术的演进和创新，满足未来广泛的数据、连接的各种业务不断发展的需要，提升用户体验。本文首先介绍5G的概念，然后阐述了5G的性能指标，重点对5G的关键技术进行论述，这些关键技术包括新型多天线技术、高频段的使用、同时同频全双工、设备间直接通信技术、自组织网络。
제오대통신계통시면향2020년이후인류신식사회수구적무선이동통신계통，타시일개다업무기술융합적망락，통과기술적연진화창신，만족미래엄범적수거、련접적각충업무불단발전적수요，제승용호체험。본문수선개소5G적개념，연후천술료5G적성능지표，중점대5G적관건기술진행논술，저사관건기술포괄신형다천선기술、고빈단적사용、동시동빈전쌍공、설비간직접통신기술、자조직망락。
The fifth generation communication system is a wireless mobile communication system that is adapt to the need of hu-man information society. It is a multi technology and business fusion network, meeting the development needs of future extensive da-ta and connected various businesses with the evolution of technology and innovation, improving the user experience. This paper first-ly introduces the concept of 5G, and then expounds the performance index of 5G. The paper points out the key technologies of 5G which including the new multi-antenna technology, the use of high frequency, co-frequency co-time full duplex, D2D technology, self-organizing network.