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Radio maps are essential for enhancing wireless communications and localization. However, existing methods for constructing radio maps typically require costly calibration processes to collect location-labeled channel state information…

Machine Learning · Computer Science 2025-10-10 Zheng Xing , Junting Chen

Semantic segmentation in marine environments is crucial for the autonomous navigation of unmanned surface vessels (USVs) and coastal Earth Observation events such as oil spills. However, existing methods, often relying on deep CNNs and…

Computer Vision and Pattern Recognition · Computer Science 2026-03-27 Ishaan Gakhar , Laven Srivastava , Sankarshanaa Sagaram , Aditya Kasliwal , Ujjwal Verma

Fingerprinting-based positioning significantly improves the indoor localization performance in non-line-of-sight-dominated areas. However, its deployment and maintenance is cost-intensive as it needs ground-truth reference systems for both…

Signal Processing · Electrical Eng. & Systems 2022-10-13 Maximilian Stahlke , George Yammine , Tobias Feigl , Bjoern M. Eskofier , Christopher Mutschler

Recent image inpainting methods have shown promising results due to the power of deep learning, which can explore external information available from the large training dataset. However, many state-of-the-art inpainting networks are still…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Eunhye Lee , Jeongmu Kim , Jisu Kim , Tae Hyun Kim

One of the important use-cases of 5G network is the vehicle to infrastructure (V2I) communication which requires accurate understanding about its dynamic propagation environment. As 5G base stations (BSs) tend to have multiple antennas,…

Information Theory · Computer Science 2017-07-25 Tadilo Endeshaw Bogale , Xianbin Wang , Long Bao Le

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…

Information Theory · Computer Science 2019-02-20 Mehran Soltani , Vahid Pourahmadi , Ali Mirzaei , Hamid Sheikhzadeh

Accurate mapping of irrigation methods is crucial for sustainable agricultural practices and food systems. However, existing models that rely solely on spectral features from satellite imagery are ineffective due to the complexity of…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Oishee Bintey Hoque , Nibir Chandra Mandal , Abhijin Adiga , Samarth Swarup , Sayjro Kossi Nouwakpo , Amanda Wilson , Madhav Marathe

Designing efficient channel access schemes for wireless communications without any prior knowledge about the nature of environments has been a very challenging issue, especially when the channel states distribution of all spectrum resources…

Networking and Internet Architecture · Computer Science 2016-11-17 Pan Zhou , Tao Jiang

Purpose: Iterative Convolutional Neural Networks (CNNs) which resemble unrolled learned iterative schemes have shown to consistently deliver state-of-the-art results for image reconstruction problems across different imaging modalities.…

Machine Learning · Computer Science 2022-03-07 Andreas Kofler , Markus Haltmeier , Tobias Schaeffter , Christoph Kolbitsch

Accurate channel knowledge is critical in massive multiple-input multiple-output (MIMO), which motivates the use of channel prediction. Machine learning techniques for channel prediction hold much promise, but current schemes are limited in…

Information Theory · Computer Science 2026-05-01 Hwanjin Kim , Junil Choi , David J. Love

We study the task of image inpainting, which is to fill in the missing region of an incomplete image with plausible contents. To this end, we propose a learning-based approach to generate visually coherent completion given a high-resolution…

Computer Vision and Pattern Recognition · Computer Science 2018-07-27 Yuhang Song , Chao Yang , Zhe Lin , Xiaofeng Liu , Qin Huang , Hao Li , C. -C. Jay Kuo

Integrating AI into the physical layer is a cornerstone of 6G networks. However, current data-driven approaches struggle to generalize across dynamic environments because they lack an intrinsic understanding of electromagnetic wave…

Networking and Internet Architecture · Computer Science 2026-03-27 Ziqi Chen , Yi Ren , Yixuan Huang , Qi Sun , Nan Li , Yuhong Huang , Chih-Lin I , Yifan Li , Liang Xia

Acquiring accurate channel state information (CSI) is critical for reliable and efficient wireless communication, but challenges such as high pilot overhead and channel aging hinder timely and accurate CSI acquisition. CSI prediction, which…

Signal Processing · Electrical Eng. & Systems 2025-10-14 Mehdi Sattari , Javad Aliakbari , Alexandre Graell i Amat , Tommy Svensson

This paper investigates deep learning techniques to predict transmit beamforming based on only historical channel data without current channel information in the multiuser multiple-input-single-output downlink. This will significantly…

Information Theory · Computer Science 2023-02-03 Juping Zhang , Gan Zheng , Yangyishi Zhang , Ioannis Krikidis , Kai-Kit Wong

The downlink channel covariance matrix (CCM) acquisition is the key step for the practical performance of massive multiple-input and multiple-output (MIMO) systems, including beamforming, channel tracking, and user scheduling. However, this…

Signal Processing · Electrical Eng. & Systems 2024-01-22 Kai Li , Ying Li , Lei Cheng , Qingjiang Shi , Zhi-Quan Luo

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.…

Signal Processing · Electrical Eng. & Systems 2020-03-06 Raja Sattiraju , Andreas Weinand , Hans D. Schotten

We present an end-to-end deep learning framework for indoor panoramic image inpainting. Although previous inpainting methods have shown impressive performance on natural perspective images, most fail to handle panoramic images, particularly…

Computer Vision and Pattern Recognition · Computer Science 2023-01-16 Chao-Chen Gao , Cheng-Hsiu Chen , Jheng-Wei Su , Hung-Kuo Chu

In the beyond fifth-generation (B5G) and upcoming sixth-generation (6G) wireless communication systems, millimeter (mmWave) wave technology is a promising solution for offering additional bandwidth resources and mitigating spectrum…

Signal Processing · Electrical Eng. & Systems 2025-10-10 Jiawei Zhang , Shihan Wang , Jienan Chen , Fan Wu , Jiyun Tao , Zheqi Gu

Years of study of the propagation channel showed a close relation between a location and the associated communication channel response. The use of a neural network to learn the location-to-channel mapping can therefore be envisioned. The…

Information Theory · Computer Science 2025-03-21 Baptiste Chatelier , Vincent Corlay , Matthieu Crussière , Luc Le Magoarou

Vehicle-to-Infrastructure (V2I) collaborative perception leverages data collected by infrastructure's sensors to enhance vehicle perceptual capabilities. LiDAR, as a commonly used sensor in cooperative perception, is widely equipped in…

Computer Vision and Pattern Recognition · Computer Science 2025-03-06 Xinxin Feng , Haoran Sun , Haifeng Zheng