Decision-aided-based multiple blind PN code estimation algorithm of asynchronous CDMA signal

Decision-aided-based multiple blind PN code estimation algorithm of asynchronous CDMA signal

Aiming at the problem of blind estimation of multi-user pseudo-code of multi-path asynchronous code division multiple access (CDMA) signal,using the finite element (FA) characteristic of transmitted symbol,a decision aid (DA) method based on maximum likelihood was proposed.A two-step iterative estim...

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Bibliographic Details
Main Authors: Zhaoyang QIU, Tianyun LI, Xiangming CHEN
Format: Article
Language:zho
Published: Editorial Department of Journal on Communications 2020-08-01
Series:Tongxin xuebao
Subjects:
asynchronous CDMA
decision-aided
blind PN code estimation
Cramer-Rao bound
Online Access:http://www.joconline.com.cn/zh/article/doi/10.11959/j.issn.1000-436x.2020163/
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