Research on Anti-interference Ability of Direct Sequence Spread Spectrum System

被引：4

作者：

Li Zhendong ^{[1
]}

Tan Weifeng ^{[2
]}

Kang Chengbin ^{[1
]}

Cheng Jingshuang ^{[3
]}

机构：

[1] CAST, Inst Telecommun & Nav Satellite, Beijing 100094, Peoples R China

[2] DFH Satellite Co Ltd, Beijing 100094, Peoples R China

[3] Beijing Inst Spacecraft Syst Engn, Beijing 100094, Peoples R China

来源：

JOURNAL OF ELECTRONICS & INFORMATION TECHNOLOGY | 2021年 / 43卷 / 01期

关键词：

Direct Sequence Spread Spectrum (DSSS); Anti-interference; Bit Error Rate (BER); Symbol error rate;

D O I：

10.11999/JEIT191007

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

When designing a spread spectrum system, it is sometimes necessary to analyze the anti-interference ability of the system. However, the existing literature on the anti-wideband interference capability and the ability to resist partial frequency band interference of the Direct Sequence Spread Spectrum (DSSS) system are different, and the Bit Error Rate (BER) formulas provided are different, the general BER formula of direct sequence spread spectrum system under wideband interference and partial frequency band interference is given by theoretical derivation. The correctness of the formula is verified by computer simulation. Finally, the performance of the DSSS system with the interference frequency and the interference bandwidth is analyzed using the formula given in this paper.

引用

页码：116 / 123

页数：8

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