SEMI-BLIND OFDM CHANNEL ESTIMATION USING RECEIVER DIVERSITY IN THE PRESENCE OF VIRTUAL CARRIERS

被引：0
|
作者：
Wang Kunji [1 ]
Zhang Jianhua [1 ]
Li Chaojun [1 ]
Huang Chen [1 ]
机构：
[1] Beijing Univ Posts & Telecommun, Xitucheng Rd 10,Mailbox 92, Beijing 100876, Peoples R China
来源：
2006 FIRST INTERNATIONAL CONFERENCE ON COMMUNICATIONS AND NETWORKING IN CHINA | 2006年
关键词：
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
In this paper, a semi-blind channel estimator using receiver diversity is proposed for OFDM systems in the presence of virtual carriers over a time-dispersive channel. We insert a pilot to each data block to resolve the inherent scalar ambiguity of blind identification. The computation complexity of this algorithm is also studied and reduced. By simulation, this algorithm supplies accurate estimation with small expense.
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页数：4
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