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End-to-end data-driven machine learning (ML) of multiple-input multiple-output (MIMO) systems has been shown to have the potential of exceeding the performance of engineered MIMO transceivers, without any a priori knowledge of…

Signal Processing · Electrical Eng. & Systems 2020-05-21 Jinxiang Song , Christian Häger , Jochen Schröder , Tim O'Shea , Henk Wymeersch

This paper is devoted to the design of precoders maximizing the ergodic mutual information (EMI) of bi-correlated flat fading MIMO systems equiped with MMSE receivers. The channel state information and the second order statistics of the…

Information Theory · Computer Science 2016-11-17 Cedric Artigue , Philippe Loubaton

We propose a decentralized receiver for extra-large multiple-input multiple-output (XL-MIMO) arrays. Our method operates with no central processing unit (CPU) and all the signal detection tasks are done in distributed nodes. We exploit a…

Signal Processing · Electrical Eng. & Systems 2021-03-12 Abolfazl Amiri , Carles Navarro Manch'on , Elisabeth de Carvalho

An extreme learning machine (ELM) is a three-layered feed-forward neural network having untrained parameters, which are randomly determined before training. Inspired by the idea of ELM, a probabilistic untrained layer called a…

Machine Learning · Computer Science 2022-10-28 Yuri Kanno , Muneki Yasuda

This letter investigates a multiple-input multiple-output (MIMO) wireless power transfer (WPT) system under practical non-liner energy harvesting (EH) models. We propose a new generic energy receiver (ER) architecture consisting of $N$…

Signal Processing · Electrical Eng. & Systems 2019-01-30 Ganggang Ma , Jie Xu , Yong Zeng , Mohammad R. Vedady Moghadam

In this work, a data-driven modeling framework of switched dynamical systems under time-dependent switching is proposed. The learning technique utilized to model system dynamics is Extreme Learning Machine (ELM). First, a method is…

Systems and Control · Electrical Eng. & Systems 2021-01-27 Weiming Xiang

Recent research in the design of end to end communication system using deep learning has produced models which can outperform traditional communication schemes. Most of these architectures leveraged autoencoders to design the encoder at the…

Information Theory · Computer Science 2020-01-28 Vishnu Raj , Sheetal Kalyani

This paper aims to handle the joint transmitter and noncoherent receiver design for multiuser multiple-input multiple-output (MU-MIMO) systems through deep learning. Given the deep neural network (DNN) based noncoherent receiver, the…

Signal Processing · Electrical Eng. & Systems 2020-04-15 Songyan Xue , Yi Ma , Na Yi , Rahim Tafazolli

We introduce a novel physical layer scheme for single user Multiple-Input Multiple-Output (MIMO) communications based on unsupervised deep learning using an autoencoder. This method extends prior work on the joint optimization of physical…

Information Theory · Computer Science 2017-07-26 Timothy J. O'Shea , Tugba Erpek , T. Charles Clancy

End-to-end autoencoder (AE) learning has the potential of exceeding the performance of human-engineered transceivers and encoding schemes, without a priori knowledge of communication-theoretic principles. In this work, we aim to understand…

Information Theory · Computer Science 2022-03-16 Jinxiang Song , Christian Häger , Jochen Schröder , Timothy J. O'Shea , Erik Agrell , Henk Wymeersch

One of the main problems encountered with Free Space Optical (FSO) Communication system is the atmospheric turbulence. Although many solutions exist for combating this effect, they have either high complexity or low performance. In this…

Signal Processing · Electrical Eng. & Systems 2019-12-30 M. A. Amirabadi

We introduce a rapid and precise analytical approach for analyzing cerebral blood flow (CBF) using Diffuse Correlation Spectroscopy (DCS) with the application of the Extreme Learning Machine (ELM). Our evaluation of ELM and existing…

Machine Learning · Computer Science 2024-02-02 Xi Chen , Zhenya Zang , Xingda Li

In this paper, we study the equalization design for multiple-input multiple-output (MIMO) orthogonal frequency division multiplexing (OFDM) systems with insufficient cyclic prefix (CP). In particular, the signal detection performance is…

Information Theory · Computer Science 2020-07-24 Yan Sun , Chao Wang , Huan Cai , Chunming Zhao , Yiqun Wu , Yan Chen

Machine learning interatomic potentials trained on first-principles reference data are becoming valuable tools for computational physics, biology, and chemistry. Equivariant message-passing neural networks, including transformers, achieve…

Standard deep learning algorithms require differentiating large nonlinear networks, a process that is slow and power-hungry. Electronic learning metamaterials offer potentially fast, efficient, and fault-tolerant hardware for analog machine…

Soft Condensed Matter · Physics 2024-07-10 Sam Dillavou , Benjamin D Beyer , Menachem Stern , Andrea J Liu , Marc Z Miskin , Douglas J Durian

This paper studies the problem of linear precoding for multiple-input multiple-output (MIMO) communication channels employing finite-alphabet signaling. Existing solutions typically suffer from high computational complexity due to costly…

Information Theory · Computer Science 2021-11-08 Maksym A. Girnyk

Hybrid beamforming (HBF) and antenna selection are promising techniques for improving the energy efficiency~(EE) of massive multiple-input multiple-output~(mMIMO) systems. However, the transmitter architecture may contain several parameters…

Signal Processing · Electrical Eng. & Systems 2024-07-01 Hamed Hojatian , Zoubeir Mlika , Jérémy Nadal , Jean-François Frigon , François Leduc-Primeau

We provide the optimal receive combining strategy for federated learning in multiple-input multiple-output (MIMO) systems. Our proposed algorithm allows the clients to perform individual gradient sparsification which greatly improves…

Information Theory · Computer Science 2022-05-19 Ema Becirovic , Zheng Chen , Erik G. Larsson

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…

Optimization and Control · Mathematics 2023-01-05 Liangjuan Zhou , Wei Miao

Extremely Large-scale Array (ELAA) is considered a frontier technology for future communication systems, pivotal in improving wireless systems' rate and spectral efficiency. As ELAA employs a multitude of antennas operating at higher…

Machine Learning · Computer Science 2024-08-26 Jiali Nie , Yuanhao Cui , Zhaohui Yang , Weijie Yuan , Xiaojun Jing