摘要
在还没有完全享受3G移动通信系统商所带来服务的同时,4G移动通信技术的研究已经在逐步的进行着。该文简要分析了:(1)4G的网络结构;(2)4G的关键技术,如OFDM,软件无线电,智能天线技术,MIMO技术。(3)比较了3G和4G不同指标,分析了3G和4G采用的不同技术。(4)初步探讨了4G的现状和发展。
in the absence of full enjoyment of 3G mobile communication systems brought about by service providers at the same time,4G mobile communications technology has been carried out in step-by-step. In this paper,a brief analysis of:(1) 4G network structure; (2) 4G key technologies such as OFDM,software radio,smart antenna technology,MIMO technology. (3) comparison of different indicators of 3G and 4G,3G and 4G analysis of the different technologies used. (4) discussed the current situation and development of 4G.
出处
《电脑知识与技术》
2009年第5X期3911-3912,共2页
Computer Knowledge and Technology
