Study & Selection of the 3G Standards

傅海阳; 金卓琳; 黄在朝; 陆素花

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Study & Selection of the 3G Standards

更新时间：2026-04-20

- Study & Selection of the 3G Standards
- Issue 5, Pages: 26-30(2006)
- 作者机构：
  
  南京邮电大学,南京,210003
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN929.5
- Published：2006
- 稿件说明：
移动端阅览
[1]傅海阳,金卓琳,黄在朝,陆素花.3G标准选择研究[J].电信工程技术与标准化,2006(05):26-30.

傅海阳, 金卓琳, 黄在朝, et al. Study & Selection of the 3G Standards[J]. 2006, (5): 26-30.
[1]傅海阳,金卓琳,黄在朝,陆素花.3G标准选择研究[J].电信工程技术与标准化,2006(05):26-30. DOI：

傅海阳, 金卓琳, 黄在朝, et al. Study & Selection of the 3G Standards[J]. 2006, (5): 26-30. DOI：

摘要

3G的主导业务应该是移动因特网业务

它的下行容量应该数倍于上行容量。但早期的3G标准都是上下行信道容量基本对称的系统

存在严重技术缺陷。cdma2000标准已做出重大改进

抛弃了cdma20003x标准和CDMA方式

转向时分多址的EV-DO方式。然而WCDMA和TD-SCDMA标准并未做出相应改动。TD-SCDMA标准的多项参数说明它适用于步行移动通信系统

依靠智能天线技术很难改变该标准的基本特征。

Abstract

Wireless internet service

which should be designed to be the dominant service of 3G

requires down-link capacity several times higher than that of up-link. Initial 3G standards are the systems of symmetric up/ down-link capacity

existing serious technical limitations. Up to now

cdma2000 has already made some significant improvements by discarding cdma2000 3x standard and CDMA mode

then turns its steps to the method of EV-DO

which has TDMA mode; while WCDMA and TD-SCDMA standards have not made any corresponding changes. Needing to be pointed out

several system parameters of TD-SCDMA standard indicate that it is a mobile communication system applying to pedestrian environment. By using smart antenna technology could hardly change the basic features of the standard.

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