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相关论文: Channel Estimation in C-V2X using Deep Learning

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Reliable and accurate lane detection has been a long-standing problem in the field of autonomous driving. In recent years, many approaches have been developed that use images (or videos) as input and reason in image space. In this paper we…

计算机视觉与模式识别 · 计算机科学 2019-05-07 Min Bai , Gellert Mattyus , Namdar Homayounfar , Shenlong Wang , Shrinidhi Kowshika Lakshmikanth , Raquel Urtasun

Massive multiple-input multiple-output (MIMO) system is promising in providing unprecedentedly high data rate. To achieve its full potential, the transceiver needs complete channel state information (CSI) to perform transmit/receive…

信息论 · 计算机科学 2022-02-08 Yu Zhang , Ahmed Alkhateeb , Pranav Madadi , Jeongho Jeon , Joonyoung Cho , Charlie Zhang

Autonomous vehicles and robots require a full scene understanding of the environment to interact with it. Such a perception typically incorporates pixel-wise knowledge of the depths and semantic labels for each image from a video sensor.…

计算机视觉与模式识别 · 计算机科学 2019-07-26 Matthias Ochs , Adrian Kretz , Rudolf Mester

\textit{Why does the literature consider the channel-state-information (CSI) as a 2/3-D image? What are the pros-and-cons of this consideration for accuracy-complexity trade-off?} Next generations of wireless communications require…

信息论 · 计算机科学 2020-01-22 Makan Zamanipour

In this paper, we propose a deep learning-based signal detector called DuaIM-3DNet for dual-mode index modulation-based three-dimensional (3D) orthogonal frequency division multiplexing (DM-IM-3D-OFDM). Herein, DM-IM-3D- OFDM is a…

信息论 · 计算机科学 2022-09-21 Dang-Y Hoang , Tien-Hoa Nguyen , Vu-Duc Ngo , Trung Tan Nguyen , Nguyen Cong Luong , Thien Van Luong

In this paper, we propose a data-driven deep learning (DL) approach to jointly design the pilot signals and channel estimator for wideband massive multiple-input multiple-output (MIMO) systems. By exploiting the angular-domain…

信息论 · 计算机科学 2020-03-13 Xisuo Ma , Zhen Gao

Numerous groups have applied a variety of deep learning techniques to computer vision problems in highway perception scenarios. In this paper, we presented a number of empirical evaluations of recent deep learning advances. Computer vision,…

The rapidly advancing field of Fluid Mechanics has recently employed Deep Learning to solve various problems within that field. In that same spirit we try to perform Direct Numerical Simulation(DNS) which is one of the tasks in…

神经与进化计算 · 计算机科学 2022-05-27 Mritunjay Musale , Vaibhav Vasani

Multiple-input multiple-output (MIMO) systems require efficient and accurate channel estimation with low pilot overhead to unlock their full potential for high spectral and energy efficiency. While deep generative models have emerged as a…

信号处理 · 电气工程与系统科学 2026-01-21 Yongqiang Zhang , Qurrat-Ul-Ain Nadeem

This paper proposes a convolutional neural network (CNN)-based method that learns traffic as images and predicts large-scale, network-wide traffic speed with a high accuracy. Spatiotemporal traffic dynamics are converted to images…

机器学习 · 计算机科学 2017-04-11 Xiaolei Ma , Zhuang Dai , Zhengbing He , Jihui Na , Yong Wang , Yunpeng Wang

Deep learning (DL)-based methods have demonstrated remarkable achievements in addressing orthogonal frequency division multiplexing (OFDM) channel estimation challenges. However, existing DL-based methods mainly rely on separate real and…

信号处理 · 电气工程与系统科学 2025-03-28 Ephrem Fola , Yang Luo , Chunbo Luo

Massive multiple-input multiple-output (MIMO) systems require downlink channel state information (CSI) at the base station (BS) to better utilize the available spatial diversity and multiplexing gains. However, in a frequency division…

信息论 · 计算机科学 2021-02-15 Mahdi Boloursaz Mashhadi , Qianqian Yang , Deniz Gunduz

In this paper we investigate collision detection and avoidance in a vehicular network of full duplex (FD) operating nodes. Each vehicle in this network senses the energy level of the channel before and during its transmission. The measured…

网络与互联网体系结构 · 计算机科学 2019-09-10 Junwei Zang , Vahid Towhidlou , Mohammad Shikh-Bahaei

In this paper, we propose a novel channel estimation technique based on 2D spread pilots. The merits of this technique are its simplicity, its flexibility regarding the transmission scenarios, and the spectral efficiency gain obtained…

网络与互联网体系结构 · 计算机科学 2008-10-01 Oudomsack Pierre Pasquero , Matthieu Crussière , Youssef Nasser , Jean-François Hélard

Channel estimation is one of the main tasks in realizing practical intelligent reflecting surface-assisted multi-user communication (IRS-MC) systems. However, different from traditional communication systems, an IRS-MC system generally…

信号处理 · 电气工程与系统科学 2021-08-03 Chang Liu , Xuemeng Liu , Derrick Wing Kwan Ng , Jinhong Yuan

Machine learning (ML) has attracted a great research interest for physical layer design problems, such as channel estimation, thanks to its low complexity and robustness. Channel estimation via ML requires model training on a dataset, which…

信号处理 · 电气工程与系统科学 2021-11-16 Ahmet M. Elbir , Sinem Coleri

Compared to other applications in computer vision, convolutional neural networks have under-performed on pedestrian detection. A breakthrough was made very recently by using sophisticated deep CNN models, with a number of hand-crafted…

计算机视觉与模式识别 · 计算机科学 2016-06-07 Qichang Hu , Peng Wang , Chunhua Shen , Anton van den Hengel , Fatih Porikli

In frequency-division duplexing systems, the downlink channel state information (CSI) acquisition scheme leads to high training and feedback overheads. In this paper, we propose an uplink-aided downlink channel acquisition framework using…

信息论 · 计算机科学 2024-10-28 Jiajia Guo , Chao-Kai Wen , Shi Jin

Acquiring accurate channel state information (CSI) at an access point (AP) is challenging for wideband millimeter wave (mmWave) ultra-massive multiple-input and multiple-output (UMMIMO) systems, due to the high-dimensional channel matrices,…

信息论 · 计算机科学 2024-03-20 Kuiyu Wang , Zhen Gao , Sheng Chen , Boyu Ning , Gaojie Chen , Yu Su , Zhaocheng Wang , H. Vincent Poor

Emotion recognition from speech signal based on deep learning is an active research area. Convolutional neural networks (CNNs) may be the dominant method in this area. In this paper, we implement two neural architectures to address this…

计算与语言 · 计算机科学 2020-11-03 Ahmed Ali , Yasser Hifny