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20 results for “tensor-structured multi-domain channel extrapolation”

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eess.SPEmpiricalRecentJul 27, 2026

Toward Alias-Free Channel Extrapolation in Upper Mid-Band Systems: A Spatial-Frequency-Temporal Tensor Learning Approach

Jiawei Zhuang, Hongwei Hou, Yafei Wang, Xinping Yi +3 more

This paper proposes a tensor-structured multi-domain channel extrapolation framework to reduce pilot overhead in upper mid-band massive MIMO systems, using a Tucker-based SFT-domain signal model and a…

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eess.SPEmpiricalRecentJul 24, 2026

A Foundation Model for Cross-Band CSI Reconstruction

Hongpu Zhang, Shu Sun, Ruifeng Gao, Tongjia Zhang +1 more

This paper proposes a model for cross-band CSI reconstruction in multi-band low-altitude wireless systems using radio-frequency metadata and pilot-guided cross-attention.

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cs.LGcs.AIRecentMay 28, 2026

Automatically Differentiable Nonlinear Tensor Networks (ADNTNs) for Exponential Compression of Deep Neural Networks

Andrzej Cichocki, Michal Wietczak

The paper introduces Automatically Differentiable Nonlinear Tensor Networks (ADNTNs) to achieve massive, structured compression of deep neural networks, demonstrating compression ratios up to 77,000x…

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eess.SPcs.AIEmpiricalRecentJul 2, 2026

Scene-Conditioned PINN-GNN for Multipath RF Maps: Cross-Scene Generation and In-Scene Completion

Lizhou Liu, Xiaohui Chen, Zihan Tang, Mengyao Ma +1 more

This paper proposes a unified RF map construction framework using physics-informed neural networks and graph neural networks, achieving high-fidelity RF map construction under sparse observations.

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cs.SDcs.AIcs.MMRecentMay 27, 2026

EigeNet: Geometry-Informed Multi-Modal Learning for Few-shot Novel View RIR Prediction

Chong Jing, Zitong Lan, Junan Zhang, Zhizheng Wu

EigeNet introduces a geometry-informed multi-modal Transformer framework to achieve state-of-the-art few-shot novel view Room Impulse Response (RIR) prediction by effectively integrating spatial geome…

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eess.AScs.SDEmpiricalRecentJul 21, 2026

Towards Array-Invariant Speech Enhancement via Geometry-Aware Dynamic Convolution

Zhenglong Liu, Wangyou Zhang, Chenda Li, Yanmin Qian

A new framework called Geo-DConv is proposed to make multi-channel speech enhancement systems adaptable to diverse microphone array geometries by leveraging microphone coordinates.

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eess.SPcs.AIcs.NIRecentMay 29, 2026

Practical Cross-Band Channel Prediction for AI-RAN via Physics-Guided Deep Unfolding

Ruiqi Kong, He Chen, Xiaojun Lin

The paper proposes GUIDE, a physics-guided deep unfolding framework that enables practical, real-time cross-band channel prediction for AI-RAN by embedding wireless channel physics, significantly impr…

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cs.LGmath.PRstat.MLTheoreticalRecentJul 7, 2026

Quantitative Gaussian-Process limits of Tensor Programs

Andrea Agazzi, Eloy Mosig García, Dario Trevisan

This paper provides explicit error bounds for the infinite-width Gaussian-process limit of random neural networks using tensor programs and quantitative convergence theory in Wasserstein distance.

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cs.DCEmpiricalRecentJul 15, 2026

DRIFT: Direct Reduced Fourier Transforms for Distributed Spectral Neural Operators

Sana Taghipour Anvari, David Kaeli

This paper introduces the Distributed Truncated Spectral Transform (DTST) for Fourier Neural Operators (FNOs), achieving significant speedups in distributed computing.

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eess.AScs.LGEmpiricalRecentJul 3, 2026

Open-Set Source Tracing as Compositional Factors via Structured Prototypes

Santiago Rubio, Antonio Almudévar, Antonio Miguel, Eduardo Lleida +1 more

This paper proposes a new definition of source in source tracing as a compositional tuple of Architecture, Training Data, and other training factors, and introduces a framework using Structured Orthon…

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cs.ITeess.SPEmpiricalRecentJul 3, 2026

Diffusion-Based Noise-Adaptive Null-Space Channel Estimation for OFDM Systems

Heqiang Qi, Yirun Chen, Xiangming Meng, Chunxiao Jiang +2 more

This paper proposes DANCE, a diffusion-based channel estimator for OFDM systems using a sparse linear inverse problem and a noise-adaptive posterior correction.

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cs.CRcs.SDRecentMay 19, 2026

DASM: Domain-Aware Sharpness Minimization for Multi-Domain Voice Stream Steganalysis

Pengcheng Zhou, Pianran Guo, Shuhua Chen, Mengqin Zhao +2 more

The paper proposes Domain-Aware Sharpness Minimization (DASM), a novel optimizer that enhances the robustness and generalization of voice stream steganalysis models across varying data distributions.

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stat.MLcs.AIcs.LGRecentMay 29, 2026

Routing on the Stiefel Manifold: When Does Adaptive Subspace Selection Help for Cross-Domain EEG Decoding?

Isabella Costa Maia, Pedro L. C. Rodrigues, Salem Said, Marco Congedo

The paper introduces dynamic Stiefel routing, a novel method that adaptively selects specialized subspace projection filters on the Stiefel manifold to improve cross-domain EEG decoding without requir…

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eess.ASEmpiricalRecentJun 18, 2026

Time-Unconditional Generative Speech Enhancement via Autonomous Rectified Flow

Wen Zhang, Wenbin Jiang, Yang Zhang, Xiaofei Zhou

The Autonomous Rectified Flow framework is proposed to improve generative speech enhancement by eliminating explicit time-step conditioning and inferring denoising directions from spatial relationship…

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eess.SPEmpiricalRecentJul 9, 2026

GenAI-Enhanced Digital Twins for Predictive Interference Management in Ultra-Dense Networks

Afan Ali, Ali Arshad Nasir, Daniel Benevides da Costa

This paper proposes a generative AI framework using a cGAN for proactive interference mitigation in ultra-dense indoor networks, achieving significant SINR gain, packet-loss reduction, and CSI oracle…

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eess.SPEmpiricalRecentJun 18, 2026

ConsisFormer: Compute-Efficient Transformer for Wireless Foundation Models Based on Channel Consistency

Yuwei Wang, Li Sun, Tingting Yang, Liwen Jing +3 more

This paper proposes ConsisFormer, a compute-efficient Transformer design for wireless foundation models (WFMs) using short-term channel consistency and adaptive token aggregation.

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