| 3G通信系统向4G通信系统的演化进程 |
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| 引用本文： | 李东,董连超.3G通信系统向4G通信系统的演化进程[J].网络与信息,2011,25(9):50-51. |
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| 作者姓名： | 李东 董连超 |
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| 作者单位： | 1. 海城有线电视网络公司收费管理部,辽宁海城,114200
2. 九三零三三部队 |
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| 摘 要： | 为了解决3G移动通信系统具有一定的局限性,提出了4G移动通信系统。介绍了4G的特点,对比了3G与4G各种技术指标。重点阐述了4G的网络结构和关键技术,包括OFDM等。
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| 关 键 词： | 4G 正交频分复用 多进多出 软件无线电 智能天线 |
The Evolutionary Process of Communication System from 3G to 4G |
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| Li Dong,Dong Lianchao.The Evolutionary Process of Communication System from 3G to 4G[J].Network & Information,2011,25(9):50-51. |
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| Authors: | Li Dong Dong Lianchao |
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| Affiliation: | Li Dong1,Dong Lianchao1(1.Department of Charge Management,Haicheng Cable TV Network Company,Haicheng 114200,China,2.93033 Force) |
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| Abstract: | 4G communication system is proposed in order to resolve the disadvantages of 3G communication system. In this paper, advantages of 4G communication system and technology items between 3G and 4G communication systems are given. The network architecture and key technologies, including OFDM, are illustrated. |
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| Keywords: | 4G OFDM MIMO Software Defined Radio Smart Antenna |
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