%0 Journal Article
%T Blind Estimation of Symbol Timing and Carrier Frequency Offset in LOFDM Systems<br>一种LOFDM系统定时和频偏的盲估计算法
%A Jian Wei
%A Shen Yue-hong
%A <br>简伟
%A 沈越泓
%J 电子与信息学报
%D 2007
%I 
%X Blind synchronization algorithm is developed for estimating jointly timing and carrier frequency offset of Lattice Orthogonal Frequency Division Multiplexing (LOFDM) systems, which is based on the cyclostationarity of LOFDM signals. The theoretical analysis shows that the following characters are occupied by the proposed algorithm. The proposed estimators can effectively combat the fading caused by the frequency selective slowly time-varying channels. In the case of wide-sense stationary noise, the performance of the estimators is independent of Signal-to-Noise Ratio (SNR) received, and then they operate well in low SNR. Moreover, the performance of the symbol timing estimator and that of carrier frequency offset estimator do not influence each other. Finally, simulation results demonstrate the performance of the presented estimators.
%K Lattice Orthogonal Frequency Division Multiplexing(LOFDM)
%K Symbol timing and carrier frequency offset
%K Blind estimation
%K Cyclostationarity<br>LOFDM
%K 符号定时和载波频率偏差
%K 盲估计
%K 周期平稳性
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=1319827C0C74AAE8D654BEA21B7F54D3&jid=EFC0377B03BD8D0EF4BBB548AC5F739A&aid=9772B999F8A75188&yid=A732AF04DDA03BB3&vid=771469D9D58C34FF&iid=B31275AF3241DB2D&sid=B7C6D333F9B9ED14&eid=388804B5826A17DB&journal_id=1009-5896&journal_name=电子与信息学报&referenced_num=0&reference_num=10