国防科技大学学报2011，Vol.33Issue(3)：121-125,5.
基于双PN周期的短码DS-SS信号扩频波形及信息序列盲估计方法
Double PN-period Based Blinding Estimation of Spread-spectrum Waveform and Information Sequences of Short Code DS-SS Signals
任啸天 1徐晖 1王翔 1黄知涛 1王丰华1
作者信息
- 1. 国防科技大学电子科学与工程学院,湖南长沙410073
- 折叠
摘要
Abstract
Aiming at improving the validity of blind dispreading DS-SS signal, the blind spread-spectrum and information sequence estimation of DS-SS signals is studied in this paper. Based on double PN periods, a new method of blinding estimate PN sequence and information sequence jointly was presented. The advantage of the algorithm is that it can estimate the PN sequence and information sequence jointly, with less computational cost. Compared with the traditional methods, this algorithm avoids the problem of phase ambiguity when the whole PN sequences are reconstructed using the two parts of spread-spectrum waveforms, which can highly improve the validity of blind estimation. The simulation results verify the validity of this algorithm.关键词
直接序列扩频/扩频波形盲估计/奇异值分解/信息序列盲估计Key words
direct sequence spread spectrum (DS-SS)/ blinding estimation of spread-spectrum waveform/ singular value decomposition (SVD)/ blinding estimation of information sequences分类
信息技术与安全科学引用本文复制引用
任啸天,徐晖,王翔,黄知涛,王丰华..基于双PN周期的短码DS-SS信号扩频波形及信息序列盲估计方法[J].国防科技大学学报,2011,33(3):121-125,5.
