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Recently proposed orthogonal time frequency space (OTFS) modulation has been considered as a promising candidate for accommodating various emerging communication and sensing applications in high-mobility environments. In this paper, we…

Information Theory · Computer Science 2021-01-12 Shuangyang Li , Weijie Yuan , Zhiqiang Wei , Jinhong Yuan

In this paper, a sparse Kronecker-product (SKP) coding scheme is proposed for unsourced multiple access. Specifically, the data of each active user is encoded as the Kronecker product of two component codewords with one being sparse and the…

Information Theory · Computer Science 2021-06-04 Zeyu Han , Xiaojun Yuan , Chongbin Xu , Shuchao Jiang , Xin Wang

Motivated by a host of recent applications requiring some amount of redundancy, frames are becoming a standard tool in the signal processing toolbox. In this paper, we study a specific class of frames, known as discrete Fourier transform…

Information Theory · Computer Science 2015-06-05 Mojtaba Vaezi , Fabrice Labeau

The development of over-parameterized pre-trained language models has made a significant contribution toward the success of natural language processing. While over-parameterization of these models is the key to their generalization power,…

Computation and Language · Computer Science 2021-09-15 Marzieh S. Tahaei , Ella Charlaix , Vahid Partovi Nia , Ali Ghodsi , Mehdi Rezagholizadeh

Extremely large antenna arrays (ELAAs) operating in high-frequency bands have spurred the development of near-field communication, driving advancements in beam training design. This paper introduces an efficient near-field beam training…

Signal Processing · Electrical Eng. & Systems 2025-05-21 Zijun Wang , Rama Kiran , Shawn Tsai , Rui Zhang

Product code construction is a powerful tool for constructing quantum stabilizer codes, which serve as a promising paradigm for realizing fault-tolerant quantum computation. Furthermore, the natural mapping between stabilizer codes and the…

Quantum Physics · Physics 2026-01-16 Meng-Yuan Li , Yue Wu

In this paper, we propose a novel joint coding-modulation technique based on serial concatenation of orthogonal linear transform, such as discrete Fourier transform (DFT) or Walsh-Hadamard transform (WHT), with memoryless nonlinearity. We…

Information Theory · Computer Science 2018-01-22 Sergey V. Zhidkov

Motivated by a host of recent applications requiring some amount of redundancy, frames are becoming a standard tool in the signal processing toolbox. In this paper, we study a specific class of frames, known as discrete Fourier transform…

Information Theory · Computer Science 2012-05-23 Mojtaba Vaezi , Fabrice Labeau

Domain decomposition methods (DDMs) provide a unifying framework for the scalable numerical solution of partial differential equations. Originating from Schwarz's alternating method, they have evolved into a rich family of algorithms that…

Numerical Analysis · Mathematics 2026-05-26 Victorita Dolean , Pierre Jolivet , Frédéric Nataf , Pierre-Henri Tournier

This correspondence proposes a new rotated codebook for three-dimensional (3D) multi-input-multi-output (MIMO) system under spatially correlated channel. To avoid the problem of high dimensionality led by large antenna array, the rotation…

Information Theory · Computer Science 2015-09-29 Fang Yuan

Product quantization-based approaches are effective to encode high-dimensional data points for approximate nearest neighbor search. The space is decomposed into a Cartesian product of low-dimensional subspaces, each of which generates a sub…

Computer Vision and Pattern Recognition · Computer Science 2014-05-19 Jianfeng Wang , Jingdong Wang , Jingkuan Song , Xin-Shun Xu , Heng Tao Shen , Shipeng Li

Solving time-harmonic wave propagation problems in the frequency domain within heterogeneous media poses significant mathematical and computational challenges, particularly in the high-frequency regime. Among the available numerical…

Numerical Analysis · Mathematics 2025-09-03 Victorita Dolean , Mark Fry , Matthias Langer , Emile Parolin , Pierre-Henri Tournier

Kronecker Products (KP) have been used to compress IoT RNN Applications by 15-38x compression factors, achieving better results than traditional compression methods. However when KP is applied to large Natural Language Processing tasks, it…

Machine Learning · Computer Science 2020-11-18 Urmish Thakker , Paul N. Whatmough , Zhi-Gang Liu , Matthew Mattina , Jesse Beu

Shifted partial derivative (SPD) methods are a central algebraic tool for circuit lower bounds, measuring the dimension of spaces of shifted derivatives of a polynomial. We develop the Shifted Partial Derivative Polynomial (SPDP) framework,…

Computational Complexity · Computer Science 2025-12-25 Darren J. Edwards

Space grounding refers to localizing a set of spatial references described in natural language instructions. Traditional methods often fail to account for complex reasoning -- such as distance, geometry, and inter-object relationships --…

Robotics · Computer Science 2025-11-20 Nayoung Oh , Dohyun Kim , Junhyeong Bang , Rohan Paul , Daehyung Park

Deep learning using neural networks is an effective technique for generating models of complex data. However, training such models can be expensive when networks have large model capacity resulting from a large number of layers and nodes.…

Machine Learning · Computer Science 2023-01-19 Jarom D. Hogue , Robert M. Kirby , Akil Narayan

The high mobility, density and multi-path evident in modern wireless systems makes the channel highly non-stationary. This causes temporal variation in the channel distribution that leads to the existence of time-varying joint interference…

Signal Processing · Electrical Eng. & Systems 2023-01-25 Zhibin Zou , Maqsood Careem , Aveek Dutta , Ngwe Thawdar

Ultra-high-dimensional tensor predictors are increasingly common in neuroimaging and other biomedical studies, yet existing methods rarely integrate continuous, count, and binary responses in a single coherent model. We present a Bayesian…

Methodology · Statistics 2025-05-21 Shao-Hsuan Wang , Hsin-Hsiung Huang

Solving time-harmonic wave propagation problems in the frequency domain and within heterogeneous media brings many mathematical and computational challenges, especially in the high frequency regime. We will focus here on computational…

Numerical Analysis · Mathematics 2021-09-01 Niall Bootland , Victorita Dolean , Pierre Jolivet , Pierre-Henri Tournier

Open-world promptable 3D semantic segmentation remains brittle as semantics are inferred in the input sensor coordinates. Yet, humans, in contrast, interpret parts via functional roles in a canonical space -- wings extend laterally, handles…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Li Jin , Weikai Chen , Yujie Wang , Yingda Yin , Zeyu Hu , Runze Zhang , Keyang Luo , Shengju Qian , Xin Wang , Xueying Qin