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20 results for “Channel estimation”

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eess.SPEmpiricalRecentJun 9, 2026

Simplified Temporal Convolutional-Based Channel Estimation for a WiFi Vehicular Communication Channel

Simbarashe Aldrin Ngorima, Albert Helberg, Marelie Davel

This paper proposes a simplified Temporal Convolutional Network-based estimator to improve channel estimation in vehicular communication.

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eess.SPcs.CRcs.ITRecentApr 17, 2026

A Novel Framework for Transmitter Privacy in Integrated Sensing and Communication

Vaibhav Kumar, Ahmad Bazzi, Christina Pöpper, Marwa Chafii

The paper proposes a joint active-passive beamforming framework using RIS to enhance transmitter privacy in ISAC systems by maximizing the malicious sensor's channel estimation error while maintaining…

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eess.SPcs.AIRecentMay 29, 2026

DRIFT: Joint Channel Estimation and Prediction Towards Pilotless 6G Non-Terrestrial Networks

Bruno De Filippo, Carla Amatetti, Alessandro Vanelli-Coralli

The paper proposes DRIFT, a lightweight joint channel estimation and prediction framework, to significantly reduce pilot overhead and boost spectral efficiency in power-constrained LEO Non-Terrestrial…

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eess.SPcs.AIcs.LGRecentMay 28, 2026

SpikeWFM: Spiking-Aided Wireless Foundation Model for Robust Channel Prediction

Liwen Jing, Yisha Lu, Tingting Yang, Li Sun +4 more

The paper introduces SpikeWFM, a novel hybrid architecture combining spiking neural networks (SNNs) and transformers, which significantly improves the robustness and accuracy of wireless foundation mo…

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cs.CRRecentMay 11, 2026

Security Analysis of Time-of-Arrival Estimation via Cross-Correlation under Narrow-Band Conditions

Claudio Anliker, Daniele Coppola, Giovanni Camurati, Srdjan Čapkun

This paper analyzes two novel, symbol-agnostic attacks—signal multiplication and negative group delay (NGD) filtering—that compromise cross-correlation-based Time-of-Arrival (ToA) estimation in narrow…

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cs.CRcs.ITRecentApr 5, 2026

Beamforming Feedback as a Novel Attack Surface for Wi-Fi Physical-Layer Security

Jingzhe Zhang, Yitong Shen, Ning Wang, Yili Ren

The paper introduces BFIAttack, a novel attack that exploits Beamforming Feedback Information (BFI) to reconstruct a user's Channel State Information (CSI), thereby compromising Wi-Fi physical-layer s…

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cs.LGcs.AIcs.ITRecentMay 27, 2026

Score Based Error Correcting Code Decoder

Alon Helvits, Eliya Nachmani

The paper introduces SB-ECC, a novel score-based decoder that models error correction as continuous-time denoising, achieving state-of-the-art performance across various code families and noise levels…

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cs.CRcs.LGRecentMar 20, 2026

Channel Prediction-Based Physical Layer Authentication under Consecutive Spoofing Attacks

Yijia Guo, Junqing Zhang, Yao-Win Peter Hong

The paper proposes a channel prediction-based Physical Layer Authentication (PLA) framework using a Transformer module to maintain robust authentication accuracy against consecutive spoofing attacks i…

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eess.SPcs.CRcs.LGRecentApr 14, 2026

Rapid LoRA Aggregation for Wireless Channel Adaptation in Open-Set Radio Frequency Fingerprinting

Mingxi Zhang, Renjie Xie, Jincheng Wang, Guyue Li +1 more

The paper proposes a lightweight, self-adaptive framework using LoRA to efficiently extract and aggregate radio frequency fingerprints for robust open-set authentication in dynamic wireless environmen…

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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.ITcs.AIcs.LGRecentMay 30, 2026

Information-Theoretic Lower Bounds for Bit-Constrained Stochastic Optimization via a Reduction to Compressed Gaussian Mean Estimation

Munsik Kim

The paper establishes information-theoretic lower bounds for stochastic optimization using low-bit gradients by reducing the problem to compressed Gaussian mean estimation, yielding sharp bounds on co…

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cs.CVcs.AIRecentJun 1, 2026

Physics-Guided Attention in a Lightweight TCN for Efficient WiFi CSI-Based Human Activity Recognition

Chinthaka Ranasingha, Tharindu Fernando, Sridha Sridharan, Clinton Fookes +1 more

The paper proposes a lightweight Temporal Convolutional Network (TCN) that incorporates physical motion-aware attention mechanisms to efficiently and effectively perform WiFi CSI-based Human Activity…

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stat.MLcs.AIcs.LGRecentMay 28, 2026

Improved Distribution Estimation in $\ell_\infty$

Doron Cohen, Aryeh Kontorovich, Yonatan Livshitz

This paper improves the theoretical bounds for estimating discrete probability distributions using the $\ell_\infty$ norm, resolving several open questions in the field.

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cs.CRRecentMay 6, 2026

PINSIGHT: A Comprehensive Threat Exploration of Domain-Adaptive Wi-Fi based PIN Code Inference

Johannes Kortz, Paul Staat, Christof Paar, Christian Zenger

The paper introduces PINSIGHT, a novel methodology that rigorously assesses Wi-Fi PIN code inference attacks by separating environmental effects from typing effects, concluding that current state-of-t…

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cs.NIcs.CRRecentMay 7, 2026

When to Use Wireless Challenge-Response Physical Layer Authentication: Design of a Measurable Guideline for OFDM

Haiyun Liu, Shangqing Zhao, Yao Liu, Zhuo Lu

This paper addresses the security vulnerability of OFDM-based Physical Layer Authentication (PLA) when channel fading exhibits correlation, proposing a new attack model and a measurable guideline to d…

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cs.ITcs.CRcs.ETRecentApr 27, 2026

Secure Integrated Sensing and Communication: Information Theory Offers Insights

Truman Welling, Onur Günlü, Aylin Yener

This paper surveys information-theoretic approaches to secure Integrated Sensing and Communication (ISAC), providing a comprehensive review of models, security formulations, and fundamental limits.

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math.STstat.MEstat.MLRecentJun 4, 2026

Optimally taming biases in black-box models for efficient semiparametric estimation

Yihong Gu, Qishuo Yin, Tianxi Cai, Jianqing Fan

The paper proposes a new, optimal estimator for semiparametric inference that improves upon standard double machine learning (DML) rates by eliminating the first-order stochastic error of nuisance fun…

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eess.SPcs.AIRecentJun 1, 2026

RA-LWLM: Retrieval-Augmented In-Context Localization with Wireless Foundation Models

Guangjin Pan, Hui Chen, Hei Victor Cheng, Henk Wymeersch

The paper proposes RA-LWLM, a retrieval-augmented in-context localization framework that enables training-free, cross-scene wireless localization by externalizing scene-specific data into a fingerprin…

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cs.LGcs.AIcs.CRRecentApr 8, 2026

Joint Interference Detection and Identification via Adversarial Multi-task Learning

H. Xu, B. He, S. Wang

The paper proposes a theoretically grounded adversarial multi-task learning framework (AMTIDIN) that significantly improves joint interference detection, modulation identification, and interference id…

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cs.LGcs.CLcs.CRRecentApr 8, 2026

On the Price of Privacy for Language Identification and Generation

Xiaoyu Li, Andi Han, Jiaojiao Jiang, Junbin Gao

The paper quantifies the cost of privacy in language identification and generation using differentially private (DP) methods, finding that the cost is surprisingly mild, particularly absent under appr…

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