Key technologies and network planning strategies of TD-LTE system

王晓东; 张炎炎; 赵旭凇

doi:10.13992/j.cnki.tetas.2012.07.007

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Key technologies and network planning strategies of TD-LTE system

更新时间：2026-04-20

- Key technologies and network planning strategies of TD-LTE system
- Vol. 25, Issue 7, Pages: 1-5(2012)
- 作者机构：
  
  1. 中国移动通信集团公司
  2. 中国移动通信集团设计院有限公司
- 作者简介：
- 基金信息：
- DOI：10.13992/j.cnki.tetas.2012.07.007
  CLC： TN929.5
- Published：2012
- 稿件说明：
移动端阅览
[1]王晓东,张炎炎,赵旭凇.TD-LTE关键技术与网络规划策略[J].电信工程技术与标准化,2012,25(07):1-5.

王晓东, 张炎炎, 赵旭凇. Key technologies and network planning strategies of TD-LTE system[J]. 2012, 25(7): 1-5.
[1]王晓东,张炎炎,赵旭凇.TD-LTE关键技术与网络规划策略[J].电信工程技术与标准化,2012,25(07):1-5. DOI： 10.13992/j.cnki.tetas.2012.07.007.

王晓东, 张炎炎, 赵旭凇. Key technologies and network planning strategies of TD-LTE system[J]. 2012, 25(7): 1-5. DOI： 10.13992/j.cnki.tetas.2012.07.007.

摘要

TD-LTE采用了正交频分复用（OFDM）、多入多出（MIMO）等关键技术

较2G/3G在物理层空口传输有了本质变化

因此

其网络规划策略也随之改变。首先

TD-LTE的帧结构同TD-SCDMA有较大不同;其次

由于采用了OFDM技术

TD-LTE的主要干扰来自于相邻小区的小区间同频干扰;同时

TD-LTE采用多种的MIMO技术

如分集、复用及波束成形等

从而对规划设计方法带来影响。本文全面研究了TD-LTE关键技术对规划设计方法的影响并提出了相应应对策略

对TD-LTE组网及规模建设均起到指导作用。

Abstract

TD-LTE systems changes a lot with GSM and 3G systems by employing frequency division multiplexing（OFDM）

multiple input multiple output（MIMO） and other physical layer transmission key technologies.Therefore

its network planning strategies are also changed.First of all

the frame configuration of TD-LTE are differ from TD-SCDMA;secondly

thank for the OFDM technology

the intra-cell interference of TDLTE can be ignored and main interference is mostly caused by the inter-cell.Thirdly

the planning design methods are affected by the adoption of different MIMO technologies

such as diversity

multiplexing and beam-forming.The key technology of TD-LTE on the planning and design method influence and solutions are studied and some solutions are given in this paper.

关键词

Keywords

references

TD-LTE技术原理与系统设计[M]. 人民邮电出版社 , 王映民, 2010

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