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Indoor localization is a supporting technology for a broadening range of pervasive wireless applications. One promis- ing approach is to locate users with radio frequency fingerprints. However, its wide adoption in real-world systems is…

Information Theory · Computer Science 2017-08-04 Xiao-Yang Liu , Shuchin Aeron , Vaneet Aggarwal , Xiaodong Wang , Min-You Wu

This paper is concerned with the distributed composite optimization problem over networks, where agents aim to minimize a sum of local smooth components and a common nonsmooth term. Leveraging the probabilistic local updates mechanism, we…

Optimization and Control · Mathematics 2026-02-19 Luyao Guo , Xinli Shi , Wenying Xu , Jinde Cao

Audio-text retrieval (ATR), which retrieves a relevant caption given an audio clip (A2T) and vice versa (T2A), has recently attracted much research attention. Existing methods typically aggregate information from each modality into a single…

Sound · Computer Science 2024-03-18 Qian Wang , Jia-Chen Gu , Zhen-Hua Ling

Fixed-frequency control in robotics imposes a trade-off between the efficiency of low-frequency control and the robustness of high-frequency control, a limitation not seen in adaptable biological systems. We address this with a…

Robotics · Computer Science 2025-10-28 Arnav Sukhija , Lenart Treven , Jin Cheng , Florian Dörfler , Stelian Coros , Andreas Krause

Spectrum sensing is a fundamental problem in cognitive radio. We propose a function of covariance matrix based detection algorithm for spectrum sensing in cognitive radio network. Monotonically increasing property of function of matrix…

Artificial Intelligence · Computer Science 2012-02-21 Feng Lin , Robert C. Qiu , Zhen Hu , Shujie Hou , James P. Browning , Michael C. Wicks

This work studies the uplink of grant-free low data-rate massive machine-to-machine communications (mMTC) where devices are only active sporadically, which requires a joint activity and data detection at the receiver. We develop an adaptive…

Information Theory · Computer Science 2019-08-01 R. B. Di Renna , R. C. de Lamare

Affine frequency division multiplexing (AFDM) is a recently proposed communication waveform for time-varying channel scenarios. As a chirp-based multicarrier modulation technique it can not only satisfy the needs of multiple scenarios in…

Signal Processing · Electrical Eng. & Systems 2024-01-01 Jiajun Zhu , Yanqun Tang , Xizhang Wei , Haoran Yin , Jinming Du , Zhengpeng Wang , Yuqinng Liu

This paper proposes an Adaptive Learning Model Predictive Control strategy for uncertain constrained linear systems performing iterative tasks. The additive uncertainty is modeled as the sum of a bounded process noise and an unknown…

Systems and Control · Computer Science 2018-04-27 Monimoy Bujarbaruah , Xiaojing Zhang , Ugo Rosolia , Francesco Borrelli

This research paper presents a novel audio fingerprinting system for Automatic Content Recognition (ACR). By using signal processing techniques and statistical transformations, our proposed method generates compact fingerprints of audio…

Sound · Computer Science 2023-05-18 Anoubhav Agarwaal , Prabhat Kanaujia , Sartaki Sinha Roy , Susmita Ghose

In this work, we propose an interpretable, robust, and lightweight machine learning method for automatic modulation classification (AMC) under dynamic and noisy channel conditions. It is called green automatic modulation classification…

Signal Processing · Electrical Eng. & Systems 2026-04-14 Chee-An Yu , Young-Kai Chen , C. -C. Jay Kuo

In this paper, we consider a primary and a cognitive user transmitting over a wireless fading interference channel. The primary user transmits with a constant power and utilizes an adaptive modulation and coding (AMC) scheme satisfying a…

Information Theory · Computer Science 2009-09-30 Mehrdad Taki , Farshad Lahouti

Massive Machine-Type Communications (mMTC) is a key service category in the current generation of wireless networks featuring an extremely high density of energy and resource-limited devices with sparse and sporadic activity patterns. In…

Information Theory · Computer Science 2023-03-14 Jyotish Robin , Elza Erkip

Amperometry is a commonly used electrochemical method for studying the process of exocytosis in real-time. Given the high precision of recording that amperometry procedures offer, the volume of data generated can span over several hundreds…

Subcellular Processes · Quantitative Biology 2023-02-07 Jeyashree Krishnan , Zeyu Lian , Pieter E. Oomen , Xiulan He , Soodabeh Majdi , Andreas Schuppert , Andrew Ewing

Automatic music transcription (AMT), aiming to convert musical signals into musical notation, is one of the important tasks in music information retrieval. Recently, previous works have applied high-resolution labels, i.e., the continuous…

Sound · Computer Science 2024-10-01 Jinyi Mi , Sehun Kim , Tomoki Toda

With the proliferation of face image manipulation (FIM) techniques such as Face2Face and Deepfake, more fake face images are spreading over the internet, which brings serious challenges to public confidence. Face image forgery detection has…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 Zhiqing Guo , Gaobo Yang , Jiyou Chen , Xingming Sun

This paper introduces an algorithm for the detection of change-points and the identification of the corresponding subsequences in transient multivariate time-series data (MTSD). The analysis of such data has become more and more important…

Signal Processing · Electrical Eng. & Systems 2023-04-05 Jonas Köhne , Lars Henning , Clemens Gühmann

Automatic chord recognition (ACR) extracts time-aligned chord labels from music audio recordings. Despite recent advances, ACR still struggles with oversegmentation, data scarcity, and imbalance, especially in recognizing complex chords…

Sound · Computer Science 2026-04-28 Leekyung Kim , Jonghun Park

Adaptive mesh refinement (AMR) is often used when solving time-dependent partial differential equations using numerical methods. It enables time-varying regions of much higher resolution, which can be used to track discontinuities in the…

Numerical Analysis · Mathematics 2018-10-03 Brisa N Davis , Randall J LeVeque

Internet of Things (IoT) has triggered a rapid increase in the number of connected devices and new use cases of wireless communications. To meet the new demands, the fifth generation (5G) of wireless communication systems features native…

Signal Processing · Electrical Eng. & Systems 2021-05-28 Leatile Marata , Onel Luis Alcaraz López , Eduardo Noboro Tominaga , Hirley Alves

The calculation of disconnected diagram contributions to physical signals is a computationally expensive task in Lattice QCD. To extract the physical signal, the trace of the inverse Lattice Dirac operator, a large sparse matrix, must be…

High Energy Physics - Lattice · Physics 2022-12-09 Travis Whyte , Andreas Stathopoulos , Eloy Romero , Kostas Orginos