Multi-split adaptive filtering
نویسندگان
چکیده
In this paper a novel transversal split filter configuration is proposed and the split optimum Wiener filter is introduced, as well as the symmetric and antisymmetric linear phase Wiener filter. The approach consists of combining the idea of split filtering with a linearlyconstrained optimization scheme. Then, the continuously split procedure is introduced and the multi-split adaptive filter is derived. It is also shown that such structure can be viewed as a Hadamard-domain adaptive filter when the number of coefficients is set to a power of two. Simulation results obtained with the normalized LMS algorithm are presented and compared with DCT-domain adaptive filter.
منابع مشابه
Multi-Split Widely Linear LMS Algorithm for Channel Equalization
In this paper, we present the multi-split version of the widely linear LMS algorithm. As in conventional linear filtering, the multi-split transform increases the diagonalization factor of the composed autocorrelation and pseudoautocorrelation matrix of the improper input signal, and a power normalized and time-varying step-size LMS algorithm is used for updating the filter parameters. Simulati...
متن کاملMulti-Split Widely Linear LMS Algorithm for Channel Equalization
In this paper, we present the multi-split version of the widely linear LMS algorithm. As in conventional linear filtering, the multi-split transform increases the diagonalization factor of the composed autocorrelation and pseudoautocorrelation matrix of the improper input signal, and a power normalized and time-varying step-size LMS algorithm is used for updating the filter parameters. Simulati...
متن کاملPerformance of multi-split decision feedback equalizer
In this paper, the idea of multi-split adaptive filtering is applied on DFE. The feed-forward and feedback sections in the DFE are divided into parallel sub-filters by imposing separately the symmetry and antisymmetry conditions on the impulse responses of filters by using appropriate and distinct sets of linear constraints. The purpose of this is to obtain a new structure that gives better per...
متن کاملEmpirical Mode Decomposition based Adaptive Filtering for Orthogonal Frequency Division Multiplexing Channel Estimation
This paper presents an empirical mode decomposition (EMD) based adaptive filter (AF) for channel estimation in OFDM system. In this method, length of channel impulse response (CIR) is first approximated using Akaike information criterion (AIC). Then, CIR is estimated using adaptive filter with EMD decomposed IMF of the received OFDM symbol. The correlation and kurtosis measures are used to sel...
متن کاملVibration Suppression of Fuel Sloshing using Subband Adaptive Filtering (RESEARCH NOTE)
One of the main vibration problems of aerospace vehicles with liquid fuel propulsion system is fuel sloshing. This phenomenon is a low frequency vibrational challenge which can affect the motion of the vehicle and degrade the stability of the main control system. In this regards, the motion of the liquid will be very critical when the frequency of the sloshing is very close to the frequencies o...
متن کامل