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相关论文: Deep Neural Network Augmented Wireless Channel Est…

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In this paper, by exploiting the powerful ability of deep learning, we devote to designing a well-performing and pilot-saving neural network for the channel estimation in underwater acoustic (UWA) orthogonal frequency division multiplexing…

信息论 · 计算机科学 2021-03-10 Donghong Ouyang , Yuzhou Li , Zhizhan Wang

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

Enabling On-Device Learning (ODL) for Ultra-Low-Power Micro-Controller Units (MCUs) is a key step for post-deployment adaptation and fine-tuning of Deep Neural Network (DNN) models in future TinyML applications. This paper tackles this…

机器学习 · 计算机科学 2023-05-31 Davide Nadalini , Manuele Rusci , Luca Benini , Francesco Conti

Machine learning for scientific applications faces the challenge of limited data. We propose a framework that leverages a priori known physics to reduce overfitting when training on relatively small datasets. A deep neural network is…

机器学习 · 计算机科学 2019-11-22 Jonathan B. Freund , Jonathan F. MacArt , Justin Sirignano

In this work, we develop DeepWiPHY, a deep learning-based architecture to replace the channel estimation, common phase error (CPE) correction, sampling rate offset (SRO) correction, and equalization modules of IEEE 802.11ax based orthogonal…

信号处理 · 电气工程与系统科学 2020-11-22 Yi Zhang , Akash Doshi , Rob Liston , Wai-tian Tan , Xiaoqing Zhu , Jeffrey G. Andrews , Robert W. Heath

Convolutional neural networks (CNNs) with residual links (ResNets) and causal dilated convolutional units have been the network of choice for deep learning approaches to speech enhancement. While residual links improve gradient flow during…

音频与语音处理 · 电气工程与系统科学 2020-03-02 Mohammad Nikzad , Aaron Nicolson , Yongsheng Gao , Jun Zhou , Kuldip K. Paliwal , Fanhua Shang

Site-specific channel inference plays a critical role in the design and evaluation of next-generation wireless communication systems by considering the surrounding propagation environment. However, traditional methods are unscalable.…

图像与视频处理 · 电气工程与系统科学 2026-04-14 Junzhe Song , Ruisi He , Mi Yang , Zhengyu Zhang , Shuaiqi Gao , Bo Ai , Zhangdui Zhong

This paper shows that deep neural network (DNN) can be used for efficient and distributed channel estimation, quantization, feedback, and downlink multiuser precoding for a frequency-division duplex massive multiple-input multiple-output…

信息论 · 计算机科学 2021-01-27 Foad Sohrabi , Kareem M. Attiah , Wei Yu

The use of machine learning methods to tackle challenging physical layer signal processing tasks has attracted significant attention. In this work, we focus on the use of neural networks (NNs) to perform pilot-assisted channel estimation in…

信号处理 · 电气工程与系统科学 2020-02-26 Michel van Lier , Alexios Balatsoukas-Stimming , Henk Corporaaal , Zoran Zivkovic

Channel state information (CSI) feedback is critical for frequency division duplex (FDD) massive multi-input multi-output (MIMO) systems. Most conventional algorithms are based on compressive sensing (CS) and are highly dependent on the…

信号处理 · 电气工程与系统科学 2020-04-17 Hongyuan Ye , Feifei Gao , Jing Qian , Hao Wang , Geoffrey Ye Li

Deploying deep neural networks (DNNs) on resource-constrained edge devices such as FPGAs requires a careful balance among latency, power, and hardware resource usage, while maintaining high accuracy. Existing Lookup Table (LUT)-based DNNs…

硬件体系结构 · 计算机科学 2026-01-16 Binglei Lou , Ruilin Wu , Philip Leong

In this work, we investigate the feasibility and effectiveness of employing deep learning algorithms for automatic recognition of the modulation type of received wireless communication signals from subsampled data. Recent work considered a…

信号处理 · 电气工程与系统科学 2019-01-18 Sharan Ramjee , Shengtai Ju , Diyu Yang , Xiaoyu Liu , Aly El Gamal , Yonina C. Eldar

A new wave of wireless services, including virtual reality, autonomous driving and internet of things, is driving the design of new generations of wireless systems to deliver ultra-high data rates, massive number of connected devices and…

信息论 · 计算机科学 2019-12-24 Zhenyu Liu , Lin Zhang , Zhi Ding

We consider the problem of pilot-aided, uplink channel estimation in a distributed massive multiple-input multiple-output (MIMO) architecture, in which the access points are connected to a central processing unit via fiber-optical fronthaul…

信号处理 · 电气工程与系统科学 2024-07-08 Alireza Bordbar , Lise Aabel , Christian Häger , Christian Fager , Giuseppe Durisi

This letter studies the sensing-assisted channel prediction for a multi-antenna orthogonal frequency division multiplexing (OFDM) system operating in realistic and complex wireless environments. In this system,an integrated sensing and…

信号处理 · 电气工程与系统科学 2025-05-15 Junjie He , Zixiang Ren , Jianping Yao , Han Hu , Tony Xiao Han , Jie Xu

Channel estimation and signal detection are very challenging for an orthogonal frequency division multiplexing (OFDM) system without cyclic prefix (CP). In this article, deep learning based on orthogonal approximate message passing…

信号处理 · 电气工程与系统科学 2019-05-08 Jing Zhang , Hengtao He , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

Massive multiple-input multiple-output (MIMO) systems rely on channel state information (CSI) feedback to perform precoding and achieve performance gain in frequency division duplex (FDD) networks. However, the huge number of antennas poses…

信息论 · 计算机科学 2018-08-01 Tianqi Wang , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

Accurate channel estimation remains challenging in high-mobility wireless systems because Doppler shifts induce severe inter-carrier interference (ICI) in Orthogonal Frequency Division Multiplexing (OFDM). We propose an unsupervised online…

信号处理 · 电气工程与系统科学 2026-05-12 Bohao Shi , Tianfu Qi , Xiaonan Chen , Jun Wang

In modern communication systems, channel state information is of paramount importance to achieve capacity. It is then crucial to accurately estimate the channel. It is possible to perform SISO-OFDM channel estimation using sparse recovery…

信息论 · 计算机科学 2022-10-14 Baptiste Chatelier , Luc Le Magoarou , Getachew Redieteab

Recurrent neural networks (RNNs) have shown significant improvements in recent years for speech enhancement. However, the model complexity and inference time cost of RNNs are much higher than deep feed-forward neural networks (DNNs).…

声音 · 计算机科学 2020-11-12 Cunhang Fan , Bin Liu , Jianhua Tao , Jiangyan Yi , Zhengqi Wen , Leichao Song