Multiple-Access Interference Mitigation for Acquisition of Code-Division Multiple-Access Continuous-Wave Signals

被引：8

作者：

Shen, Yuyao ^{[1
]}

Wang, Yongqing ^{[1
]}

Peng, Zhiyuan ^{[1
]}

Wu, Siliang ^{[1
]}

机构：

[1] Beijing Inst Technol, Beijing 100081, Peoples R China

来源：

IEEE COMMUNICATIONS LETTERS | 2017年 / 21卷 / 01期

基金：

中国国家自然科学基金;

关键词：

Acquisition; global navigation satellite system (GNSS); multiple-access interference (MAI); positioning; reiterative minimum mean-square error (RMMSE); ADAPTIVE PULSE-COMPRESSION; CDMA SYSTEMS;

D O I：

10.1109/LCOMM.2016.2625298

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

Multiple-access interference mitigation is important in code-division multiple-access (CDMA) systems for both information recovery and signal acquisition. Therefore, in this letter, we propose an open-loop adaptive filter based on the reiterative minimum mean-square error for the acquisition of CDMA signals. The method is based on the existing multistatic adaptive pulse compression method, appropriately adapted to the characteristics of CDMA continuous-wave signals. The efficacy of the proposed method in such systems is verified by simulation, and its superiority when compared with the existing least-mean-square method in terms of the number of reiterations is established.

引用

页码：192 / 195

页数：4

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