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Accurate channel state information (CSI) is a critical bottleneck in modern wireless networks, with pilot overhead consuming 11\% to 21\% of transmission bandwidth and feedback delays causing severe throughput degradation under mobility.…

信号处理 · 电气工程与系统科学 2026-02-11 Muhammad Umer , Muhammad Ahmed Mohsin , Ahsan Bilal , John M. Cioffi

Accurate cross-band channel prediction is essential for 6G networks, particularly in the upper mid-band (FR3, 7-24 GHz), where penetration loss and blockage are severe. Although ray tracing (RT) provides high-fidelity modeling, it remains…

信息论 · 计算机科学 2026-01-30 Fan-Hao Lin , Chi-Jui Sung , Chu-Hsiang Huang , Hui Chen , Chao-Kai Wen , Henk Wymeersch

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

In this paper, we propose an innovative learning-based channel prediction scheme so as to achieve higher prediction accuracy and reduce the requirements of huge amounts and strict sequential format of channel data. Inspired by the idea of…

信号处理 · 电气工程与系统科学 2023-11-30 Zhuoran Xiao , Zhaoyang Zhang , Zirui Chen , Zhaohui Yang , Chongwen Huang , Xiaoming Chen

Neural ray tracing (RT) has emerged as a promising paradigm for channel modeling by combining physical propagation principles with neural networks. It enables high modeling accuracy and efficiency. However, current neural RT methods face…

机器学习 · 计算机科学 2025-06-24 Kejia Bian , Meixia Tao , Shu Sun , Jun Yu

We present Photon Splatting, a physics-guided neural surrogate model for real-time wireless channel prediction in complex environments. The proposed framework introduces surface-attached virtual sources, referred to as photons, which carry…

机器学习 · 计算机科学 2025-07-08 Ge Cao , Gabriele Gradoni , Zhen Peng

This paper presents a novel compressed sensing (CS) approach to high dimensional wireless channel estimation by optimizing the input to a deep generative network. Channel estimation using generative networks relies on the assumption that…

信号处理 · 电气工程与系统科学 2020-06-25 Eren Balevi , Akash Doshi , Ajil Jalal , Alexandros Dimakis , Jeffrey G. Andrews

Implicit Neural Representations (INRs) are widely used for modeling continuous 2D images, enabling high-fidelity reconstruction, super-resolution, and compression. Architectures such as SIREN, WIRE, and FINER demonstrate their ability to…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Weronika Jakubowska , Mikołaj Zieliński , Rafał Tobiasz , Krzysztof Byrski , Maciej Zięba , Dominik Belter , Przemysław Spurek

We propose a novel deep network architecture for image\\ denoising based on a Gaussian Conditional Random Field (GCRF) model. In contrast to the existing discriminative denoising methods that train a separate model for each noise level, the…

计算机视觉与模式识别 · 计算机科学 2015-11-13 Raviteja Vemulapalli , Oncel Tuzel , Ming-Yu Liu

We present complex-valued Convolutional Neural Networks (CNNs) for RF fingerprinting that go beyond translation invariance and appropriately account for the inductive bias with respect to multipath propagation channels, a phenomenon that is…

信号处理 · 电气工程与系统科学 2021-05-11 Carter N. Brown , Enrico Mattei , Andrew Draganov

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

Wideband channel estimation (CE) in high-mobility scenarios remains challenging because channel responses vary rapidly, while practical systems can allocate only sparse pilots to accommodate dense users. Fortunately, many high-mobility…

信息论 · 计算机科学 2026-05-18 Yumeng Zhang , Jiajia Guo , Chaozheng Wen , Chenghong Bian , Jun Zhang

The method of deep learning has achieved excellent results in improving the performance of robotic grasping detection. However, the deep learning methods used in general object detection are not suitable for robotic grasping detection.…

计算机视觉与模式识别 · 计算机科学 2021-01-26 Hu Cao , Guang Chen , Zhijun Li , Jianjie Lin , Alois Knoll

The Gaussian-radial-basis function neural network (GRBFNN) has been a popular choice for interpolation and classification. However, it is computationally intensive when the dimension of the input vector is high. To address this issue, we…

机器学习 · 计算机科学 2023-08-15 Siyuan Xing , Jianqiao Sun

Accurate prediction of network-wide traffic conditions is essential for intelligent transportation systems. In the last decade, machine learning techniques have been widely used for this task, resulting in state-of-the-art performance. We…

机器学习 · 计算机科学 2021-11-23 Lei Lin , Weizi Li , Lei Zhu

In this paper, we propose the geometric algebra-informed neural radiance fields (GAI-NeRF), a novel framework for wireless channel prediction that leverages geometric algebra attention mechanisms to capture ray-object interactions in…

网络与互联网体系结构 · 计算机科学 2026-04-15 Jingzhou Shen , Luis Lago Enamorado , Shiwen Mao , Xuyu Wang

Accurate wireless channel estimation is critical for next-generation wireless systems, enabling precise precoding for effective user separation, reduced interference across cells, and high-resolution sensing, among other benefits.…

信号处理 · 电气工程与系统科学 2026-03-03 Alireza Javid , Nuria González-Prelcic

Data-centric methods have shown great potential in understanding and predicting spatiotemporal dynamics, enabling better design and control of the object system. However, deep learning models often lack interpretability, fail to obey…

机器学习 · 计算机科学 2025-01-07 Yuan Mi , Pu Ren , Hongteng Xu , Hongsheng Liu , Zidong Wang , Yike Guo , Ji-Rong Wen , Hao Sun , Yang Liu

Beamforming design for intelligent reflecting surface (IRS)-assisted multi-user communication (IRS-MUC) systems critically depends on the acquisition of accurate channel state information (CSI). However, channel estimation (CE) in IRS-MUC…

信号处理 · 电气工程与系统科学 2022-11-24 Chang Liu , Xuemeng Liu , Zhiqiang Wei , Derrick Wing Kwan Ng , Robert Schober

Wireless channel modeling plays a pivotal role in designing, analyzing, and optimizing wireless communication systems. Nevertheless, developing an effective channel modeling approach has been a long-standing challenge. This issue has been…

网络与互联网体系结构 · 计算机科学 2025-03-25 Chaozheng Wen , Jingwen Tong , Yingdong Hu , Zehong Lin , Jun Zhang
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