Double differentially coherent pseudorandom noise code acquisition method for code-division multiple-access system

被引：7
|
作者：
Jin, Tian [1 ]
Lu, Fangyao [1 ]
Liu, Yang [1 ]
Qin, Honglei [1 ]
Luo, Xiling [1 ]
机构：
[1] Beihang Univ, Sch Elect & Informat Engn, Beijing, Peoples R China
来源：
IET SIGNAL PROCESSING | 2013年 / 7卷 / 07期
关键词：
NONCOHERENT; RECEIVER; SIGNALS;
D O I：
10.1049/iet-spr.2012.0020
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：
This study proposes a double differentially (DDF) coherent pseudorandom code acquisition method for code-division multiple-access (CDMA) system. Nonlinear loss, false alarm probability and detection probability of this method have been analysed. Compared with real differentially coherent method, DDF method can be applied to improve detection performance in CDMA system. Furthermore, the analysis and simulations in this study illustrate that the proposed detector can provide 1-3 dB improvement compared with the complex differentially coherent detector, and 2-5 dB improvement compared with the non-coherent detector.
引用
收藏
页码：587 / 597
页数：11
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