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2007•Journal of Circuits and SystemsRequires access

Study of blind equalization algorithm based on third-second order normalized cumulant in PAM system

Jianfu Teng

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Abstract

A novel third-second order normalized cumulant blind equalization algorithm based on symmetric-to-asymmetric transformation(SAT) is brought forward.The defect is overcome in this paper,which channel equalization can not be directly applied because the third order cumulant of symmetrically distributed signal is zero.Simulation results show that the proposed algorithm has better performances with low complexity,fast convergence and small steady residual error than the same algorithm.

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What this paper is about

A novel third-second order normalized cumulant blind equalization algorithm based on symmetric-to-asymmetric transformation(SAT) is brought forward.The defect is overcome in this paper,which channel equalization can not be directly applied because the third order cumulant of symmetrically distributed signal is zero.Simulation results show that the proposed algorithm has better performances with low complexity,fast convergence and small steady residual error than the same algorithm.

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Available abstract

A novel third-second order normalized cumulant blind equalization algorithm based on symmetric-to-asymmetric transformation(SAT) is brought forward.The defect is overcome in this paper,which channel equalization can not be directly applied because the third order cumulant of symmetrically distributed signal is zero.Simulation results show that the proposed algorithm has better performances with low complexity,fast convergence and small steady residual error than the same algorithm.

Key concepts: Blind equalization, Cumulant, Algorithm, Convergence (economics), Equalization (audio), Residual, Transformation (genetics), Channel (broadcasting)

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