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http://dx.doi.org/10.6109/jkiice.2007.11.6.1150

Performance Analysis of ICI reduction in OFDM system  

Jang, Eun-Young (동아대학교 전자공학과)
Byon, Kun-Sik (동아대학교 전자공학과)
Publication Information
Journal of the Korea Institute of Information and Communication Engineering / v.11, no.6, 2007 , pp. 1150-1155 More about this Journal
Abstract
Orthogonal Frequency Division Multiplexing (OFDM) is an emerging multi-carrier modulation scheme, which has been adopted for several wireless standards such as IEEE 802.11a and HiperLAN2. A well-known problem of OFDM is its sensitivity to frequency offset between the transmitted and received carrier frequencies. This frequency offset introduces inter-carrier interference (ICI) in the OFDM symbol. This paper investigates three methods for combating the effects of ICI: ICI self-cancellation (SC), maximum likelihood (ML) estimation, and extended Kalman filter (EKF) method. These three methods are compared in terms of bit error rate performance.
Keywords
OFDM; ICI; Frequency offset; EKF;
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