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Network simulators are indispensable tools for the advancement of wireless network technologies, offering a cost-effective and controlled environment to simulate real-world network behavior. However, traditional simulators, such as the…

Networking and Internet Architecture · Computer Science 2024-12-31 Anatolij Zubow , Yannik Pilz , Sascha Rösler , Falko Dressler

Channel sounding is a vital step in understanding wireless channels for the design and deployment of wireless communication systems. In this paper, we present the design and implementation of a coherent distributed massive MIMO channel…

Signal Processing · Electrical Eng. & Systems 2024-03-19 Michiel Sandra , Christian Nelson , Xuhong Li , Xuesong Cai , Fredrik Tufvesson , Anders J Johansson

We present QEst, a procedure to systematically generate approximations for quantum circuits to reduce their CNOT gate count. Our approach employs circuit partitioning for scalability with procedures to 1) reduce circuit length using…

Quantum Physics · Physics 2021-08-31 Tirthak Patel , Ed Younis , Costin Iancu , Wibe de Jong , Devesh Tiwari

Recent research in speaker verification has increasingly focused on achieving robust and reliable recognition under challenging channel conditions and noisy environments. Identifying speakers in radio communications is particularly…

Sound · Computer Science 2024-06-18 Wenhao Yang , Jianguo Wei , Wenhuan Lu , Lei Li , Xugang Lu

Incremental learning aims to adapt to new sets of categories over time with minimal computational overhead. Prior work often addresses this task by training efficient task-specific adaptors that modify frozen layer weights or features to…

Computer Vision and Pattern Recognition · Computer Science 2025-03-17 Nazia Tasnim , Bryan A. Plummer

Reconfigurable Intelligent Surfaces (RISs) are a promising technique for enhancing the performance of Next Generation (NextG) wireless communication systems in terms of both spectral and energy efficiency, as well as resource utilization.…

Networking and Internet Architecture · Computer Science 2025-04-22 Maria Tsampazi , Tommaso Melodia

A near memory hardware accelerator, based on a novel direct path computational model, for real-time emulation of radio frequency systems is demonstrated. Our evaluation of hardware performance uses both application-specific integrated…

The framework of network equivalence theory developed by Koetter et al. introduces a notion of channel emulation to construct noiseless networks as upper (resp. lower) bounding models, which can be used to calculate the outer (resp. inner)…

Information Theory · Computer Science 2015-10-01 Jinfeng Du , Muriel Medard , Ming Xiao , Mikael Skoglund

Recording channel mismatch between training and testing conditions has been shown to be a serious problem for speech separation. This situation greatly reduces the separation performance, and cannot meet the requirement of daily use. In…

Sound · Computer Science 2022-10-28 Fan-Lin Wang , Yao-Fei Cheng , Hung-Shin Lee , Yu Tsao , Hsin-Min Wang

Replay speech attacks pose a significant threat to voice-controlled systems, especially in smart environments where voice assistants are widely deployed. While multi-channel audio offers spatial cues that can enhance replay detection…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-19 Michael Neri , Tuomas Virtanen

Wireless systems are getting deployed in many new environments with different antenna heights, frequency bands and multipath conditions. This has led to an increasing demand for more channel measurements to understand wireless propagation…

Information Theory · Computer Science 2016-11-18 Muhammad Nazmul Islam , Byoung-Jo J. Kim , Paul Henry , Eric Rozner

This paper presents an innovative method that can be used to produce deterministic channel models for 5G industrial internet-of-things (IIoT) scenarios. Ray-tracing (RT) channel emulation can capture many of the specific properties of a…

Signal Processing · Electrical Eng. & Systems 2023-09-13 Gurjot Singh Bhatia , Yoann Corre , Marco Di Renzo

Spatial sound reasoning is a fundamental human skill, enabling us to navigate and interpret our surroundings based on sound. In this paper we present BAT, which combines the spatial sound perception ability of a binaural acoustic scene…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-20 Zhisheng Zheng , Puyuan Peng , Ziyang Ma , Xie Chen , Eunsol Choi , David Harwath

The rise of Internet of Things (IoT) devices in the physical world necessitates voice-based interfaces capable of handling complex user experiences. While modern Large Language Models (LLMs) already demonstrate strong tool-usage…

Computation and Language · Computer Science 2026-05-11 Maximillian Chen , Xuanming Zhang , Michael Peng , Zhou Yu , Alexandros Papangelis , Yohan Jo

Monte-Carlo diffusion simulations are a powerful tool for validating tissue microstructure models by generating synthetic diffusion-weighted magnetic resonance images (DW-MRI) in controlled environments. This is fundamental for…

Computational Engineering, Finance, and Science · Computer Science 2023-05-26 Juan Luis Villarreal-Haro , Remy Gardier , Erick J Canales-Rodriguez , Elda Fischi Gomez , Gabriel Girard , Jean-Philippe Thiran , Jonathan Rafael-Patino

This paper presents Large Wireless Model (LWM) -- the world's first foundation model for wireless channels. Designed as a task-agnostic model, LWM generates universal, rich, contextualized channel embeddings (features) that potentially…

Information Theory · Computer Science 2025-04-09 Sadjad Alikhani , Gouranga Charan , Ahmed Alkhateeb

Novel industrial wireless applications require wideband, real-time channel characterization due to complex multipath propagation. Rapid machine motion leads to fast time variance of the channel's reflective behavior, which must be captured…

Signal Processing · Electrical Eng. & Systems 2018-05-04 Niels Hendrik Fliedner , Dimitri Block , Uwe Meier

While Connectionist Temporal Classification (CTC) models deliver state-of-the-art accuracy in automated speech recognition (ASR) pipelines, their performance has been limited by CPU-based beam search decoding. We introduce a GPU-accelerated…

Audio and Speech Processing · Electrical Eng. & Systems 2023-11-10 Daniel Galvez , Tim Kaldewey

This paper presents details and applications of a novel channel simulation software named NYUSIM, which can be used to generate realistic temporal and spatial channel responses to support realistic physical- and link-layer simulations and…

Information Theory · Computer Science 2017-04-03 Shu Sun , George R. MacCartney , Theodore S. Rappaport

Estimation is a critical component of synchronization in wireless and signal processing systems. There is a rich body of work on estimator derivation, optimization, and statistical characterization from analytic system models which are used…

Machine Learning · Computer Science 2017-07-21 Timothy J. O'Shea , Kiran Karra , T. Charles Clancy