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Massive Multiple-Input Multiple-Output (massive MIMO) technology stands as a cornerstone in 5G and beyonds. Despite the remarkable advancements offered by massive MIMO technology, the extreme number of antennas introduces challenges during…

信号处理 · 电气工程与系统科学 2024-10-29 Do Hai Son , Vu Tung Lam , Tran Thi Thuy Quynh

Scalability is a major concern in implementing deep learning (DL) based methods in wireless communication systems. Given various channel reconstruction tasks, applying one DL model for one specific task is costly in both model training and…

信号处理 · 电气工程与系统科学 2023-12-20 Weixiao Wan , Wei Chen , Shiyue Wang , Geoffrey Ye Li , Bo Ai

Orthogonal delay-Doppler division multiplexing~(ODDM) modulation has recently been regarded as a promising technology to provide reliable communications in high-mobility situations. Accurate and low-complexity channel estimation is one of…

信号处理 · 电气工程与系统科学 2025-07-29 Dezhi Wang , Chongwen Huang , Xiaojun Yuan , Sami Muhaidat , Lei Liu , Xiaoming Chen , Zhaoyang Zhang , Chau Yuen , Mérouane Debbah

This work advocates the use of deep learning to perform max-min and max-prod power allocation in the downlink of Massive MIMO networks. More precisely, a deep neural network is trained to learn the map between the positions of user…

信号处理 · 电气工程与系统科学 2019-06-04 Luca Sanguinetti , Alessio Zappone , Merouane Debbah

We study a deep learning (DL) based limited feedback methods for multi-antenna systems. Deep neural networks (DNNs) are introduced to replace an end-to-end limited feedback procedure including pilot-aided channel training process, channel…

信息论 · 计算机科学 2019-12-20 Jeonghyeon Jang , Hoon Lee , Sangwon Hwang , Haibao Ren , Inkyu Lee

The customizable nature of deep learning models have allowed them to be successful predictors in various disciplines. These models are often trained with respect to thousands or millions of instances for complicated problems, but the…

机器学习 · 计算机科学 2019-12-24 Drimik Roy Chowdhury , Muhammad Firmansyah Kasim

In conventional multi-user multiple-input multiple-output (MU-MIMO) systems with frequency division duplexing (FDD), channel acquisition and precoder optimization processes have been designed separately although they are highly coupled.…

信息论 · 计算机科学 2022-09-22 Jeonghyeon Jang , Hoon Lee , Il-Min Kim , Inkyu Lee

In this paper, we propose an algorithm for downlink (DL) channel covariance matrix (CCM) estimation for frequency division duplexing (FDD) massive multiple-input multiple-output (MIMO) communication systems with base station (BS) possessing…

机器学习 · 计算机科学 2025-09-23 Melih Can Zerin , Elif Vural , Ali Özgür Yılmaz

Massive multiple-input multiple-output (MIMO) is widely recognized as a promising technology for future 5G wireless communication systems. To achieve the theoretical performance gains in massive MIMO systems, accurate channel state…

信息论 · 计算机科学 2017-01-30 Wenqian Shen , Linglong Dai , Yi Shi , Byonghyo Shim , Zhaocheng Wang

To further improve the potential of full-duplex communications, networks may employ multiple antennas at the base station or user equipment. To this end, networks that employ current radios usually deal with self-interference and multi-user…

信息论 · 计算机科学 2018-05-25 José Mairton B. da Silva , Hadi Ghauch , Gábor Fodor , Carlo Fischione

Deep neural networks ( DNNs ) are becoming a key enabling technology for many application domains. However, on-device inference on battery-powered, resource-constrained embedding systems is often infeasible due to prohibitively long…

机器学习 · 计算机科学 2019-11-13 Vicent Sanz Marco , Ben Taylor , Zheng Wang , Yehia Elkhatib

Direction of arrival (DoA) estimation of targets improves with the number of elements employed by a phased array radar antenna. Since larger arrays have high associated cost, area and computational load, there is recent interest in thinning…

信号处理 · 电气工程与系统科学 2019-02-05 Ahmet M. Elbir , Kumar Vijay Mishra , Yonina C. Eldar

In this paper, we consider a point to point full duplex (FD) MIMO communication system. We assume that each node is equipped with an arbitrary number of antennas which can be used for transmission or reception. With FD radios, bidirectional…

信息论 · 计算机科学 2015-03-27 Mingxin Zhou , Lingyang Song , Yonghui Li , Xuelong Li

The combination of Terahertz (THz) and massive multiple-input multiple-output (MIMO) is promising to meet the increasing data rate demand of future wireless communication systems thanks to the huge bandwidth and spatial degrees of freedom.…

信息论 · 计算机科学 2024-08-14 Jiabao Gao , Xiaoming Cheng , Geoffrey Ye Li

To compensate the loss from outdated channel state information in wideband massive multiple-input multipleoutput (MIMO) systems, channel prediction can be performed by leveraging the temporal correlation of wireless channels. Machine…

信息论 · 计算机科学 2022-08-10 Beomsoo Ko , Hwanjin Kim , Junil Choi

We propose an adaptive learning-based framework for uplink massive multiple-input multiple-output (MIMO) systems with one-bit analog-to-digital converters. Learning-based detection does not need to estimate channels, which overcomes a key…

信号处理 · 电气工程与系统科学 2022-11-15 Yunseong Cho , Jinseok Choi , Brian L. Evans

Estimating downlink (DL) channel state information (CSI) in frequency division duplex (FDD) massive multi-input multi-output (MIMO) systems generally requires downlink pilots and feedback overheads. Accordingly, this paper investigates the…

信号处理 · 电气工程与系统科学 2020-11-12 Thomas Choi , François Rottenberg , Jorge Gomez-Ponce , Akshay Ramesh , Peng Luo , Jianzhong Zhang , Andreas F. Molisch

In this study we present how to approach the problem of building efficient detectors for spectrally efficient frequency division multiplexing (SEFDM) systems. The superiority of residual convolution neural networks (CNNs) for these types of…

信号处理 · 电气工程与系统科学 2021-03-23 David Picard , Arsenia Chorti

Future wireless communication systems will increasingly rely on the integration of millimeter wave (mmWave) and sub-6 GHz bands to meet heterogeneous demands on high-speed data transmission and extensive coverage. To fully exploit the…

信号处理 · 电气工程与系统科学 2026-05-19 Qikai Xiao , Kehui Li , Binggui Zhou , Shaodan Ma

In this paper, we investigate downlink power control in massive multiple-input multiple-output (MIMO) networks with distributed antenna arrays. The base station (BS) in each cell consists of multiple antenna arrays, which are deployed in…

信息论 · 计算机科学 2020-01-14 Noman Akbar , Emil Björnson , Erik G. Larsson , Nan Yang