Joint Frequency Offset and Channel Estimation for OFDM/OQAM Systems

被引：4
|
作者：
Cheng, Guobing [1 ]
Xiao, Yue [1 ]
Li, Shaoqian [1 ]
Yan, Hui [1 ]
机构：
[1] Univ Elect Sci & Technol China, Natl Key Lab Sci & Technol Commun, Chengdu, Peoples R China
来源：
IEICE TRANSACTIONS ON COMMUNICATIONS | 2012年 / E95B卷 / 05期
基金：
美国国家科学基金会;
关键词：
OFDM/OQAM; frequency offset estimation; channel estimation; preamble;
D O I：
10.1587/transcom.E95.B.1848
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：
OFDM/offset-QAM (OFDM/OQAM) has been proven to be a promising multi-carrier transmission technique. However, carrier frequency offset (CFO) can lead to severe inter-carrier interference (ICI) and performance degradation. Meanwhile, channel estimation is also an important issue because of the intrinsic characteristics of OFDM/OQAM. In this paper, a novel pilot structure and a frequency-domain cross-correlation algorithm are proposed for the joint CFO and channel estimation. Analysis and simulation results validate the effectiveness of the proposed pilot structure and estimation algorithm.
引用
收藏
页码：1848 / 1851
页数：4
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