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相关论文: Deep Learning Based OFDM Channel Estimation Using …

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In order to support diverse scenarios and deployments, the numerology of orthogonal frequency division multiplexing (OFDM) is defined for the parametrization of subcarrier spacing and cyclic prefix (CP). The time-frequency dispersion of…

信号处理 · 电气工程与系统科学 2020-11-10 Xiaoran Liu , Jiao Zhang , Jibo Wei

In this paper, we present a deep learning (DL) algorithm for channel estimation in communication systems. We consider the time-frequency response of a fast fading communication channel as a two-dimensional image. The aim is to find the…

信息论 · 计算机科学 2019-02-20 Mehran Soltani , Vahid Pourahmadi , Ali Mirzaei , Hamid Sheikhzadeh

Previously proposed FullSubNet has achieved outstanding performance in Deep Noise Suppression (DNS) Challenge and attracted much attention. However, it still encounters issues such as input-output mismatch and coarse processing for…

声音 · 计算机科学 2022-03-29 Jun Chen , Zilin Wang , Deyi Tuo , Zhiyong Wu , Shiyin Kang , Helen Meng

This paper proposes a model-driven deep learning (MDDL)-based channel estimation and feedback scheme for wideband millimeter-wave (mmWave) massive hybrid multiple-input multiple-output (MIMO) systems, where the angle-delay domain channels'…

信息论 · 计算机科学 2022-01-20 Xisuo Ma , Zhen Gao , Feifei Gao , Marco Di Renzo

Existing state-of-the-art disparity estimation works mostly leverage the 4D concatenation volume and construct a very deep 3D convolution neural network (CNN) for disparity regression, which is inefficient due to the high memory consumption…

计算机视觉与模式识别 · 计算机科学 2021-03-05 Songyan Zhang , Zhicheng Wang , Qiang Wang , Jinshuo Zhang , Gang Wei , Xiaowen Chu

In the realm of wireless communication, stochastic modeling of channels is instrumental for the assessment and design of operational systems. Deep learning neural networks (DLNN), including generative adversarial networks (GANs), are being…

With the large number of antennas and subcarriers the overhead due to pilot transmission for channel estimation can be prohibitive in wideband massive multiple-input multiple-output (MIMO) systems. This can degrade the overall spectral…

信息论 · 计算机科学 2021-04-14 Mahdi Boloursaz Mashhadi , Deniz Gunduz

In this paper, we propose an orthogonal frequency division multiplexing (OFDM)-based generalized optical quadrature spatial modulation (GOQSM) technique for multiple-input multiple-output optical wireless communication (MIMO-OWC) systems.…

信号处理 · 电气工程与系统科学 2021-12-02 Chen Chen , Lin Zeng , Xin Zhong , Shu Fu , Min Liu , Pengfei Du

In this paper, we propose a joint pilot design and channel estimation scheme based on the deep learning (DL) technique for multiuser multiple-input multiple output (MIMO) channels. To this end, we construct a pilot designer using two-layer…

信息论 · 计算机科学 2018-12-12 Chang-Jae Chun , Jae-Mo Kang , Il-Min Kim

Diffractive deep neural network (DNNet) is a novel machine learning framework on the modulation of optical transmission. Diffractive network would get predictions at the speed of light. It's pure passive architecture, no additional power…

机器学习 · 计算机科学 2019-12-24 Yingshi Chen , Jinfeng Zhu

Quantum convolutional neural networks (QCNNs) have gathered attention as one of the most promising algorithms for quantum machine learning. Reduction in the cost of training as well as improvement in performance is required for practical…

Convolutional neural network (CNN) has achieved impressive success in computer vision during the past few decades. The image convolution operation helps CNNs to get good performance on image-related tasks. However, it also has high…

计算机视觉与模式识别 · 计算机科学 2024-01-31 Hengyue Pan , Yixin Chen , Zhiliang Tian , Peng Qiao , Linbo Qiao , Dongsheng Li

Deep learning models utilizing convolution layers have achieved state-of-the-art performance on univariate time series classification tasks. In this work, we propose improving CNN based time series classifiers by utilizing Octave…

机器学习 · 计算机科学 2021-09-29 Samuel Harford , Fazle Karim , Houshang Darabi

Deep learning (DL) has emerged as an effective tool for channel estimation in wireless communication systems, especially under some imperfect environments. However, even with such unprecedented success, DL methods are often regarded as…

信号处理 · 电气工程与系统科学 2020-05-19 Hu Qiang , Gao Feifei , Zhang Hao , Jin Shi , Li Geoffrey Ye

Since edge device failures (i.e., anomalies) seriously affect the production of industrial products in Industrial IoT (IIoT), accurately and timely detecting anomalies is becoming increasingly important. Furthermore, data collected by the…

机器学习 · 计算机科学 2020-07-28 Yi Liu , Sahil Garg , Jiangtian Nie , Yang Zhang , Zehui Xiong , Jiawen Kang , M. Shamim Hossain

Orthogonal Frequency Division Multiplexing (OFDM) has recently been applied in wireless communication systems due to its high data rate transmission capability with high bandwidth efficiency and its robustness to multi-path delay. Fading is…

信息论 · 计算机科学 2013-01-01 Farhana Enam , Md. Arif Rabbani , Md. Ashraful Islam , Sohag Sarker

Channel estimation forms one of the central component in current OFDM systems that aims to eliminate the inter-symbol interference by calculating the CSI using the pilot symbols and interpolating them across the entire time-frequency grid.…

信号处理 · 电气工程与系统科学 2020-03-06 Raja Sattiraju , Andreas Weinand , Hans D. Schotten

This paper is a contribution towards interpretability of the deep learning models in different applications of time-series. We propose a temporal attention layer that is capable of selecting the relevant information to perform various…

计算机视觉与模式识别 · 计算机科学 2018-06-25 Phongtharin Vinayavekhin , Subhajit Chaudhury , Asim Munawar , Don Joven Agravante , Giovanni De Magistris , Daiki Kimura , Ryuki Tachibana

We introduce FedDCT, a novel distributed learning paradigm that enables the usage of large, high-performance CNNs on resource-limited edge devices. As opposed to traditional FL approaches, which require each client to train the full-size…

计算机视觉与模式识别 · 计算机科学 2023-09-19 Quan Nguyen , Hieu H. Pham , Kok-Seng Wong , Phi Le Nguyen , Truong Thao Nguyen , Minh N. Do

Long-term time series forecasting is a vital task and has a wide range of real applications. Recent methods focus on capturing the underlying patterns from one single domain (e.g. the time domain or the frequency domain), and have not taken…

机器学习 · 计算机科学 2023-08-28 Yuxiao Luo , Ziyu Lyu , Xingyu Huang