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Related papers: Channel Estimation in C-V2X using Deep Learning

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Deep learning has demonstrated the important roles in improving the system performance and reducing computational complexity for $5$G-and-beyond networks. In this paper, we propose a new channel estimation method with the assistance of deep…

Information Theory · Computer Science 2021-01-19 An Le Ha , Trinh Van Chien , Tien Hoa Nguyen , Wan Choi , Van Duc Nguyen

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…

Information Theory · Computer Science 2021-01-27 Foad Sohrabi , Kareem M. Attiah , Wei Yu

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…

Information Theory · Computer Science 2021-04-14 Mahdi Boloursaz Mashhadi , Deniz Gunduz

For millimeter wave (mmWave) massive multiple-input multiple-output (MIMO) systems, hybrid processing architecture is usually used to reduce the complexity and cost, which poses a very challenging issue in channel estimation. In this paper,…

Information Theory · Computer Science 2021-04-26 Peihao Dong , Hua Zhang , Geoffrey Ye Li , Ivan Simoes Gaspar , Navid NaderiAlizadeh

Massive multiple-input multiple-output can obtain more performance gain by exploiting the downlink channel state information (CSI) at the base station (BS). Therefore, studying CSI feedback with limited communication resources in…

Signal Processing · Electrical Eng. & Systems 2024-10-28 Muhan Chen , Jiajia Guo , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li , Ang Yang

Channel estimation is very challenging when the receiver is equipped with a limited number of radio-frequency (RF) chains in beamspace millimeter-wave (mmWave) massive multiple-input and multiple-output systems. To solve this problem, we…

Information Theory · Computer Science 2019-01-15 Hengtao He , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

In this article, the use of channel state information (CSI) for indoor positioning is studied. In the considered model, a server equipped with several antennas sends pilot signals to users, while each user uses the received pilot signals to…

Information Theory · Computer Science 2024-03-20 Hanzhi Yu , Yuchen Liu , Mingzhe Chen

Deep learning (DL) based methods for orthogonal frequency division multiplexing (OFDM) radio receivers demonstrated higher signal detection performance compared to the traditional receivers. However, the existing DL-based models, usually…

Information Theory · Computer Science 2025-10-15 Mohanad Obeed , Ming Jian

Banded linear systems arise in many communication scenarios, e.g., those involving inter-carrier interference and inter-symbol interference. Motivated by recent advances in deep learning, we propose to design a high-accuracy low-complexity…

Information Theory · Computer Science 2018-09-12 Congmin Fan , Xiaojun Yuan , Ying-Jun Angela Zhang

Time division duplexing (TDD) has become the dominant duplexing mode in 5G and beyond due to its ability to exploit channel reciprocity for efficient downlink channel state information (CSI) acquisition. However, channel aging caused by…

Signal Processing · Electrical Eng. & Systems 2025-10-29 Francisco Díaz-Ruiz , Francisco J. Martín-Vega , José Antonio Cortés , Gerardo Gómez , Mari Carmen Aguayo-Torres

In low altitude UAV communications, accurate channel estimation remains challenging due to the dynamic nature of air to ground links, exacerbated by high node mobility and the use of large scale antenna arrays, which introduce hybrid near…

Information Theory · Computer Science 2025-10-24 Wenli Yuan , Kan Yu , Xiaowu Liu , Kaixuan Li , Qixun Zhang , Zhiyong Feng

We present a novel architectural enhancement of Channel Boosting in a deep convolutional neural network (CNN). This idea of Channel Boosting exploits both the channel dimension of CNN (learning from multiple input channels) and Transfer…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Asifullah Khan , Anabia Sohail , Amna Ali

With the development of high speed trains (HST) in many countries, providing broadband wireless services in HSTs is becoming crucial. Orthogonal frequency-division multiplexing (OFDM) has been widely adopted for broadband wireless…

Signal Processing · Electrical Eng. & Systems 2020-03-06 Xiang Ren , Wen Chen , Meixia Tao

We consider the application of compressed sensing (CS) to the estimation of doubly selective channels within pulse-shaping multicarrier systems (which include OFDM systems as a special case). By exploiting sparsity in the delay-Doppler…

Information Theory · Computer Science 2010-05-10 Georg Tauboeck , Franz Hlawatsch , Daniel Eiwen , Holger Rauhut

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…

Signal Processing · Electrical Eng. & Systems 2019-05-08 Jing Zhang , Hengtao He , Chao-Kai Wen , Shi Jin , Geoffrey Ye Li

Deep learning applications have achieved great success in numerous real-world applications. Deep learning models, especially Convolution Neural Networks (CNN) are often prototyped using FPGA because it offers high power efficiency and…

Machine Learning · Computer Science 2022-02-22 Adewale Adeyemo , Travis Sandefur , Tolulope A. Odetola , Syed Rafay Hasan

To overcome the limitations of DSRC with short range, non-supportability of high density networks, unreliable broadcast services, signal congestion and connectivity disruptions, cellular vehicle-to-everything (C-V2X) communication networks,…

Networking and Internet Architecture · Computer Science 2019-09-20 Muhammad Nadeem Sial , Yansha Deng , Junaid Ahmed , Arumugam Nallanathan , Mischa Dohler

Lane detection in driving scenes is an important module for autonomous vehicles and advanced driver assistance systems. In recent years, many sophisticated lane detection methods have been proposed. However, most methods focus on detecting…

Computer Vision and Pattern Recognition · Computer Science 2020-04-30 Qin Zou , Hanwen Jiang , Qiyu Dai , Yuanhao Yue , Long Chen , Qian Wang

The high overhead of the beam training process is the main challenge when establishing mmWave communication links, especially for vehicle-to-everything (V2X) scenarios where the channels are highly dynamic. In this paper, we obtain prior…

Signal Processing · Electrical Eng. & Systems 2021-11-17 Yun Chen , Andrew Graff , Nuria González-Prelcic , Takayuki Shimizu

Wireless channel propagation parameter estimation forms the foundation of channel sounding, estimation, modeling, and sensing. This paper introduces a Deep Learning approach for joint delay- and Doppler estimation from frequency and time…

Signal Processing · Electrical Eng. & Systems 2025-10-22 Steffen Schieler , Sebastian Semper , Reiner Thomä
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