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Reconfigurable intelligent surface (RIS)-assisted orthogonal frequency division multiplexing (OFDM) systems have aroused extensive research interests due to the controllable communication environment and the performance of combating…

信号处理 · 电气工程与系统科学 2021-10-27 Chaojin Qing , Li Wang , Lei Dong , Jiafan Wang

Extreme learning machine (ELM) is an extremely fast learning method and has a powerful performance for pattern recognition tasks proven by enormous researches and engineers. However, its good generalization ability is built on large numbers…

机器学习 · 计算机科学 2015-02-05 Wentao Zhu , Jun Miao , Laiyun Qing

Due to the implementation bottleneck of training data collection in realistic wireless communications systems, supervised learning-based timing synchronization (TS) is challenged by the incompleteness of training data. To tackle this…

信号处理 · 电气工程与系统科学 2023-07-03 Mintao Zhang , Shuhai Tang , Chaojin Qing , Na Yang , Xi Cai , Jiafan Wang

This work shows that a massive multiple-input multiple-output (MIMO) system with low-resolution analog-to-digital converters (ADCs) forms a natural extreme learning machine (ELM). The receive antennas at the base station serve as the hidden…

信号处理 · 电气工程与系统科学 2021-01-01 Dawei Gao , Qinghua Guo , Yonina C. Eldar

Multiple-input multiple-output orthogonal frequency-division multiplexing (MIMO-OFDM) is a key technology component in the evolution towards cognitive radio (CR) in next-generation communication in which the accuracy of timing and frequency…

信号处理 · 电气工程与系统科学 2022-06-02 Jun Liu , Kai Mei , Xiaochen Zhang , Des McLernon , Dongtang Ma , Jibo Wei , Syed Ali Raza Zaidi

Satellite communications are crucial for the evolution beyond fifth-generation networks. However, the dynamic nature of satellite channels and their inherent impairments present significant challenges. In this paper, a novel…

信号处理 · 电气工程与系统科学 2025-06-23 Yang Luo , Arunprakash Jayaprakash , Gaojie Chen , Chong Huang , Qu Luo , Pei Xiao

The Extreme Learning Machine (ELM) is a growing statistical technique widely applied to regression problems. In essence, ELMs are single-layer neural networks where the hidden layer weights are randomly sampled from a specific distribution,…

机器学习 · 统计学 2025-07-31 Daniela De Canditiis , Fabiano Veglianti

Extreme Learning Machines (ELM) provide a fast alternative to traditional gradient-based learning in neural networks, offering rapid training and robust generalization capabilities. Its theoretical basis shows its universal approximation…

机器学习 · 计算机科学 2024-06-27 Ergun Biçici

Extreme learning machine (ELM) is a new single hidden layer feedback neural network. The weights of the input layer and the biases of neurons in hidden layer are randomly generated, the weights of the output layer can be analytically…

机器学习 · 计算机科学 2018-03-13 Lin Feng , Shuliang Xu , Feilong Wang , Shenglan Liu

Due to the nonlinear distortion in Orthogonal frequency division multiplexing (OFDM) systems, the timing synchronization (TS) performance is inevitably degraded at the receiver. To relieve this issue, an extreme learning machine (ELM)-based…

信号处理 · 电气工程与系统科学 2021-07-29 Chaojin Qing , Shuhai Tang , Chuangui Rao , Qing Ye , Jiafan Wang , Chuan Huang

Extreme learning machine (ELM), proposed by Huang et al., has been shown a promising learning algorithm for single-hidden layer feedforward neural networks (SLFNs). Nevertheless, because of the random choice of input weights and biases, the…

神经与进化计算 · 计算机科学 2014-09-16 Yuguang Wang , Feilong Cao , Yubo Yuan

The extreme learning machine (ELM) method can yield highly accurate solutions to linear/nonlinear partial differential equations (PDEs), but requires the last hidden layer of the neural network to be wide to achieve a high accuracy. If the…

数值分析 · 数学 2022-05-17 Naxian Ni , Suchuan Dong

Extreme Learning Machine (ELM) is an efficient and effective least-square-based learning algorithm for classification, regression problems based on single hidden layer feed-forward neural network (SLFN). It has been shown in the literature…

机器学习 · 计算机科学 2020-11-05 Ramesh Ragala , Bharadwaja kumar

Multilayer Extreme Learning Machine (ML-ELM) and its variants have proven to be an effective technique for the classification of different natural signals such as audio, video, acoustic and images. In this paper, a Hybrid Multilayer Extreme…

计算机视觉与模式识别 · 计算机科学 2025-07-14 Rolando A. Hernandez-Hernandez , Adrian Rubio-Solis

ELM (Extreme Learning Machine) is a single hidden layer feed-forward network, where the weights between input and hidden layer are initialized randomly. ELM is efficient due to its utilization of the analytical approach to compute weights…

机器学习 · 计算机科学 2016-06-21 Qiuyan Yan , Qifa Sun , Xinming Yan

Extreme learning machine (ELM) is a network model that arbitrarily initializes the first hidden layer and can be computed speedily. In order to improve the classification performance of ELM, a $\ell_2$ and $\ell_{0.5}$ regularization ELM…

最优化与控制 · 数学 2023-01-05 Liangjuan Zhou , Wei Miao

An extreme learning machine (ELM) can be regarded as a two stage feed-forward neural network (FNN) learning system which randomly assigns the connections with and within hidden neurons in the first stage and tunes the connections with…

机器学习 · 计算机科学 2014-01-27 Shaobo Lin , Xia Liu , Jian Fang , Zongben Xu

With the depletion of spectrum, wireless communication systems turn to exploit large antenna arrays to achieve the degree of freedom in space domain, such as millimeter wave massive multi-input multioutput (MIMO), reconfigurable intelligent…

信息论 · 计算机科学 2021-02-26 Shun Zhang , Yushan Liu , Feifei Gao , Chengwen Xing , Jianping An , Octavia A. Dobre

This paper investigates distributed cooperative learning algorithms for data processing in a network setting. Specifically, the extreme learning machine (ELM) is introduced to train a set of data distributed across several components, and…

机器学习 · 计算机科学 2015-12-01 Wu Ai , Weisheng Chen

The requirement of high spectrum efficiency puts forward higher requirements on frame synchronization (FS) in wireless communication systems. Meanwhile, a large number of nonlinear devices or blocks will inevitably cause nonlinear…

信号处理 · 电气工程与系统科学 2021-03-30 Chaojin Qing , Wang Yu , Shuhai Tang , Chuangui Rao , Jiafan Wang
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