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
收藏
页码：192 / 195
页数：4
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