Blind channel estimation for the uplink of MC-CDMA systems with timing offset
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Blind channel estimation for the uplink of MC-CDMA systems with timing offset
Issue 1, Pages: 8-16(2007)
作者机构:
1. 中山大学电子与通信工程系
2. 中山大学电子与通信工程系,广东,广州,510275
作者简介:
基金信息:
DOI:
CLC:TN929.533
Published:2007
稿件说明:
移动端阅览
WU Hai-feng, DAI Xian-hua, LIANG Jian-qing. Blind channel estimation for the uplink of MC-CDMA systems with timing offset[J]. 2007, (1): 8-16.
DOI:
WU Hai-feng, DAI Xian-hua, LIANG Jian-qing. Blind channel estimation for the uplink of MC-CDMA systems with timing offset[J]. 2007, (1): 8-16.DOI:
Blind channel estimation for the uplink of MC-CDMA systems with timing offset
摘要
为了能在带有时偏的MC-CDMA上行链路中估计信道
提出了一种新的信道估计方法。该方法能消除时偏对信道估计产生的影响
从而无需系统同步就能准确估计出信道。另外
由于扩频序列的信息对接收端是已知的
因此该信道估计方法可以利用扩频码的信息来完成盲估计。最后的仿真结果显示
该信道估计方法有良好的性能。
Abstract
A new blind channel estimation scheme was proposed for the uplink of multicarrier code-division multiple ac-cess(MC-CDMA) systems with timing offset(TO).The scheme can cancel TO effects on the channel estimation
and thus work well without synchronizing the system.In addition
the estimation can exploit the knowledge of the spreading sequences to accomplish a blind estimation since the spreading sequences are known for the receiver.In computer simu-lations
the new channel estimation provides a satisfactory performance.