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시그마포인트 칼만필터를 이용한 순환신경망 학습 및 채널 등화
권오신(Ohshin Kwon) 대한전기학회 2007 대한전기학회 학술대회 논문집 Vol.2007 No.4
This paper presents decision feedback equalizers using a recurrent neural network trained algorithm using extended Kalman filter(EKF) and sigma-point Kalman filter(SPKF). EKF is propagated analytically through the first-order linearization of the nonlinear system. This can introduce large errors in the true posterior mean and covariance of the Gaussian random variable. The SPKF addresses this problem by using a deterministic sampling approach. The features of the proposed recurrent neural equalizer And we investigate the bit error rate(BER) between EKF and SPKF.