20 results for “channel modeling”
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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.
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.
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.
This paper proposes a framework for multi-site channel charting in wireless networks using topological signal processing, enabling coherent integration of locally learned representations into a shared…
Shaoheng Xu, Chunyi Sun, Jihui Zhang, Amy Bastine +2 more
This paper proposes a physics-guided framework, PathRIR, for fast room impulse response simulation using image-source-method, preserving geometric structure while pruning acoustically insignificant pa…
This paper proposes a physical layer authentication mechanism using integrated sensing and communication (ISAC) to reconstruct environment layout, infer propagation channels, and authenticate transmit…
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…
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.
Pengyu Chen, Weiyang Li, Jin Xu, Jiacheng Wang +3 more
This paper surveys model forensics in AI-native wireless networks, detailing key security problems and demonstrating practical workflows for verifying model authenticity and detecting malicious functi…
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…
Andrew C. Cullen, Neil Marchant, Jiani Xie, Paul Montague +1 more
This paper tests the impact of acoustic factors on voice control systems and introduces a Dual-Form Signal to Noise Ratio to decouple source stealth from attack efficacy.
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…
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…
A statistical model is proposed for UWB propagation channels inside the human chest for implant medical sensors, providing formulas for path loss, scattering, and channel impulse response.
Jiazhen Lei, Tianze Cao, Yuxin Sha, Sihan Wang +4 more
The paper introduces RadioMaster, a novel multi-agent system that successfully translates high-level user intents into physically viable, real-world radio signals, significantly outperforming existing…
This paper studies covert communication in a scalar Gaussian model, deriving the maximal reliably transmissible covert payload and establishing first-order optimality.
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…
This paper presents a portable, battery-powered RF capture system using a HackRF One SDR, Raspberry Pi 5, GNSS receiver, and high-speed storage for recording geotagged IQ data in real-world environmen…