Fully complex extreme learning machine

Ming-Bin Li

doi:10.1016/j.neucom.2005.03.002

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Fully complex extreme learning machine

2005-10-01

270

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DOI：10.1016/j.neucom.2005.03.002

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Abstract

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Recently, a new learning algorithm for the feedforward neural network named the extreme learning machine (ELM) which can give better performance than traditional tuning-based learning methods for feedforward neural networks in terms of generalization and learning speed has been proposed by Huang et al. In this paper, we first extend the ELM algorithm from the real domain to the complex domain, and then apply the fully complex extreme learning machine (C-ELM) for nonlinear channel equalization applications. The simulation results show that the ELM equalizer significantly outperforms other neural network equalizers such as the complex minimal resource allocation network (CMRAN), complex radial basis function (CRBF) network and complex backpropagation (CBP) equalizers. C-ELM achieves much lower symbol error rate (SER) and has faster learning speed. (c) 2005 Elsevier B.V. All rights reserved.

Keywords:

feedforward neural networks

complex QAM equalization

complex extreme learning machine

complex activation function

CMRAN

CRBF

CBP

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