Blind Estimation of Channel Length for OFDM Systems

被引：0
|
作者：
Sheng, Bin [1 ]
Wang, Xiangyang [1 ]
You, Xiaohu [1 ]
Chen, Lan [2 ]
机构：
[1] Southeast Univ, Natl Mobile Commun Res Lab, Nanjing 210096, Peoples R China
[2] DoCoMo Beijing Commun Lab Co Ltd, Beijing 100080, Peoples R China
来源：
2009 5TH INTERNATIONAL CONFERENCE ON WIRELESS COMMUNICATIONS, NETWORKING AND MOBILE COMPUTING, VOLS 1-8 | 2009年
基金：
美国国家科学基金会;
关键词：
D O I：
暂无
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：
In orthogonal frequency division multiplexing (OFDM) systems, multipath fading channels introduce interference between adjacent symbols. Although the interference degrades the system performance considerably, it also provides the information of channel impulse response (CIR) length to us. Therefore, based on the estimation of interference in the cyclic prefix (CP) interval, we can use the minimum description length (MDL) criterion to detect the channel length blindly.
引用
收藏
页码：2158 / +
页数：2
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