The Algorithm of Suppressing Inter-modulation Interference between TD-SCDMA and GSM Systems

ZHAO Dan-feng; CHAI Hui-si; ZHANG Yan

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The Algorithm of Suppressing Inter-modulation Interference between TD-SCDMA and GSM Systems

更新时间：2026-07-10

- The Algorithm of Suppressing Inter-modulation Interference between TD-SCDMA and GSM Systems
- Vol. 17, Issue 2, Pages: 10-13(2012)
- 作者机构：
  
  1. 哈尔滨工程大学信息与通信工程学院
  2. 泰康人寿保险股份有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN929.53;TN911.4
- Published：2012
- 稿件说明：
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ZHAO Dan-feng, CHAI Hui-si, ZHANG Yan. The Algorithm of Suppressing Inter-modulation Interference between TD-SCDMA and GSM Systems[J]. 2012, 17(2): 10-13.
DOI：

ZHAO Dan-feng, CHAI Hui-si, ZHANG Yan. The Algorithm of Suppressing Inter-modulation Interference between TD-SCDMA and GSM Systems[J]. 2012, 17(2): 10-13. DOI：

摘要

针对TD-SCDMA系统中GSM1800系统产生的互调干扰

将边带相关置换方法引入互调干扰抑制算法中.以不影响TD-SCDMA系统通信质量为前提

在有限空间内提出一种以边带相关置换方法为基础的抑制两系统间互调干扰的算法.其核心思想是利用TD-SCDMA系统QPSK调制的频域对称性

通过边带相关置换方法对系统中的互调干扰进行有效抑制

以提高TD-SCDMA系统与GSM系统的共存性.理论分析和仿真结果表明:该方法在保证TD-SCDMA系统可靠性的基础上

有效地提高了两系统间的共存性.

Abstract

For the inter-modulation interference generated by GSM1800 system in TD-SCDMA system

the associated sideband replacement method is introduced between the two systems to suppress interference.Without affecting the communication quality of TD-SCDMA system

a coexistence of TD-SCDMA system with GSM system has been improved.In the limited space

frequency domain symmetry of QPSK modulation using associated sideband replacement method to suppress inter-modulation interference between GSM1800 system and

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