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本文对3G和4G移动通信做了简要的比较,并对4G移动通信系统中将会用到的关键技术做了分析。包括OFDM技术、智能天线技术、软件无线电技术、多用户检测技术、IPv6技术等。
This article makes a brief comparison of 3G and 4G mobile communications and analyzes the key technologies that will be used in 4G mobile communications systems. Including OFDM technology, smart antenna technology, software and radio technology, multi-user detection technology, IPv6 technology.