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Narrowband interference (NBI) affects performance of orthogonal frequency division multiplexing (OFDM) system to a great extent. Although NBI can be suppressed by employing time-domain prediction error filter (PEF), its effectiveness is reduced due to the usage of guard band which interrupts the spectrum. This paper discusses this problem and proposes two methods to improve the efficiency of PEF in...
Self-cancellation schemes have received a lot of attention due to their simple implementation and high efficiency to suppress intercarrier interference (ICI) in Orthogonal Frequency Division Multiplexing (OFDM) systems. Among those ICI self-cancellation methods, Symmetric Conjugate Symbol Repetition (SCSR) has been proven to have the best bit error ratio (BER) performance for phase noise suppression...
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....
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