English
Related papers

Related papers: Prototyping scalable digital signal processing sys…

200 papers

Transformer-based and MLP-based methods have emerged as leading approaches in time series forecasting (TSF). While Transformer-based methods excel in capturing long-range dependencies, they suffer from high computational complexities and…

Machine Learning · Computer Science 2025-04-16 Yifan Hu , Peiyuan Liu , Peng Zhu , Dawei Cheng , Tao Dai

Astronomical data reduction is usually done with processing pipelines that consist of a series of individual processing steps that can be executed stand-alone. These processing steps are then strung together into workflows and fed with data…

Instrumentation and Methods for Astrophysics · Physics 2024-01-26 Wolfram Freudling , Stefano Zampieri , Lodovico Coccato , Stanislaw Podgorski , Martino Romaniello , Andrea Modigliani , John Pritchard

Complexity reduction of optimal linear receiver is considered in a scenario where both the number of single-antenna user equipments (UEs) $K$ and base station (BS) antennas $N$ are large. Two-stage beamforming (TSB) greatly alleviates the…

Signal Processing · Electrical Eng. & Systems 2019-12-03 Hossein Asgharimoghaddam , Antti Tölli

The digital correlator is one of the most crucial data processing components of a radio telescope array. With the scale of radio interferometeric array growing, many efforts have been devoted to developing a cost-effective and scalable…

Instrumentation and Methods for Astrophysics · Physics 2024-06-28 Zhao Wang , Ji-Xia Li , Ke Zhang , 1 Feng-Quan Wu , Hai-Jun Tian , Chen-Hui Niu , Ju-Yong Zhang , Zhi-Ping Chen , Dong-Jin Yu , Xue-Lei Chen

We implemented a real-time data processor (rta-dp) framework that can be used to develop real-time analysis pipelines and data handling systems to manage high-throughput data streams with distributed applications in the context of ground…

Instrumentation and Methods for Astrophysics · Physics 2025-11-07 A. Bulgarelli , N. Parmiggiani , L. Castaldini , R. Falco , A. Di Piano , V. Fioretti , G. Panebianco , A. Rizzo

Data-dependent metrics are powerful tools for learning the underlying structure of high-dimensional data. This article develops and analyzes a data-dependent metric known as diffusion state distance (DSD), which compares points using a…

Machine Learning · Statistics 2020-03-10 Lenore Cowen , Kapil Devkota , Xiaozhe Hu , James M. Murphy , Kaiyi Wu

As code large language models (LLMs) evolve into tool-interactive agents via the Model Context Protocol (MCP), their generalization is increasingly limited by low-quality synthetic data and the diminishing returns of quantity scaling.…

We have designed and constructed a ``dispersed Fourier Transform Spectrometer'' (dFTS), consisting of a conventional FTS followed by a grating spectrometer. By combining these two devices, we negate a substantial fraction of the sensitivity…

Time series forecasting (TSF) is critical across domains such as finance, meteorology, and energy. While extending the lookback window theoretically provides richer historical context, in practice, it often introduces irrelevant noise and…

Machine Learning · Computer Science 2026-04-03 Xiang Ao , Yinyu Tan , Mengru Chen

Motivated by the large-scale nature of modern aerospace engineering simulations, this paper presents a detailed description of distributed Operator Inference (dOpInf), a recently developed parallel algorithm designed to efficiently…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-04-22 Ionut-Gabriel Farcas , Rayomand P. Gundevia , Ramakanth Munipalli , Karen E. Willcox

Managing group-delay (GD) spread is vital for reducing the complexity of digital signal processing (DSP) in long-haul systems using multi-mode fibers. GD compensation through mode permutation, which involves periodically exchanging power…

Optics · Physics 2025-05-13 Oleksiy Krutko , Rebecca Refaee , Anirudh Vijay , Nika Zahedi , J. M. Kahn

This paper proposes an extremely lightweight phone-based transducer model with a tiny decoding graph on edge devices. First, a phone synchronous decoding (PSD) algorithm based on blank label skipping is first used to speed up the transducer…

Audio and Speech Processing · Electrical Eng. & Systems 2021-02-09 Yuekai Zhang , Sining Sun , Long Ma

Solving large-scale multistage stochastic programming (MSP) problems poses a significant challenge as commonly used stagewise decomposition algorithms, including stochastic dual dynamic programming (SDDP), face growing time complexity as…

Machine Learning · Computer Science 2025-02-12 Chanyeong Kim , Jongwoong Park , Hyunglip Bae , Woo Chang Kim

In Orthogonal Time Frequency Space (OTFS) modulation, information symbols are embedded in the delay-Doppler (DD) domain instead of the time-frequency (TF) domain. n order to ensure compatibility with existing OFDM systems (e.g. 4G LTE),…

Information Theory · Computer Science 2024-10-30 Saif Khan Mohammed

The design of many-core neuromorphic hardware is getting more and more complex as these systems are expected to execute large machine learning models. To deal with the design complexity, a predictable design flow is needed to guarantee…

Neural and Evolutionary Computing · Computer Science 2021-08-31 Shihao Song , M. Lakshmi Varshika , Anup Das , Nagarajan Kandasamy

In the future, with the advent of Internet of Things (IoT), wireless sensors, and multiple 5G killer applications, an indoor room might be filled with $1000$s of devices demanding low data rates. Such high-level densification and mobility…

Networking and Internet Architecture · Computer Science 2020-09-23 Rohit Singh , Doug Sicker

We propose a framework to design integrated communication and computing (ICC) receivers capable of simultaneously detecting data symbols and performing over-the-air computing (AirComp) in a manner that: a) is systematically generalizable to…

Intelligent fault diagnosis (IFD) has emerged as a powerful paradigm for ensuring the safety and reliability of industrial machinery. However, traditional IFD methods rely heavily on abundant labeled data for training, which is often…

Artificial Intelligence · Computer Science 2026-03-10 Pengcheng Xia , Zhichao Dong , Yixiang Huang , Chengjin Qin , Qun Chao , Chengliang Liu

Communication systems use the concept of transmitting information using the electrical distribution network as a communication channel. To enable the transmission data signal modulated on a carrier signal is superimposed on the electrical…

Hardware Architecture · Computer Science 2012-03-12 Naagesh S. Bhat

Due to an ever-increasing number of participants and new areas of application, the demands on mobile communications systems are continually increasing. In order to deliver higher data rates, enable mobility and guarantee QoS requirements of…

Networking and Internet Architecture · Computer Science 2024-01-29 Peter J. Gu , Johannes Voigt , Peter M. Rost