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- W2036136837 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. In this letter, we investigate two methods for combating the effects of ICI: the extended Kalman filter (EKF) method and a form of the sequential Monte Carlo (SMC) method called sequential importance sampling (SIS). Through simulations, we explore the efficiency of these two methods for various frequency offsets and different signal-to-noise ratios (SNRs). Our estimates of the frequency offset are very satisfactory, especially in the latter case, resulting in performance improvement of the OFDM modulation scheme." @default.
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- W2036136837 date "2007-10-01" @default.
- W2036136837 modified "2023-09-24" @default.
- W2036136837 title "A Bayesian State–Space Approach to Combat Inter-Carrier Interference in OFDM Systems" @default.
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- W2036136837 doi "https://doi.org/10.1109/lsp.2007.898321" @default.
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