NDLI: A Novel Three-Stage Frequency Offset Estimator for OFDM

Content Provider	IEEE Xplore Digital Library
Author	Yun Wu Hanwen Luo Ming Ding
Copyright Year	2006
Description	Author affiliation: Dept. of Electr. Eng., Shanghai Jiao Tong Univ. (Yun Wu; Hanwen Luo; Ming Ding)
Abstract	A novel frequency offset estimate method is proposed for OFDM systems. In the proposed method, a special preamble composed of two training symbol blocks with several wide-sense identical parts is designed. To obtain a large estimate range together with a good estimation performance, a novel three-stage CFO estimate scheme based on the designed preamble is proposed. In this scheme, initial CFO estimates are first obtained over the two training symbol blocks by means of a novel two-stage estimate method. In the third stage, the two initial CFO estimates are jointly used to enlarge the CFO estimate range. Simulation results demonstrate that the novel three-stage frequency offset estimator has a satisfying estimate performance while achieving a large estimate range and maintaining a low computational complexity
Starting Page	1
Ending Page	4
File Size	260639
Page Count	4
File Format	PDF
ISBN	1424405173
DOI	10.1109/WiCOM.2006.52
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-09-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fading OFDM Computational modeling Discrete Fourier transforms Bandwidth Frequency estimation Robustness Data communication Frequency division multiplexing Computational complexity
Content Type	Text
Resource Type	Article

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