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Compressive approaches provide a means of effective channel high resolution channel estimates in millimeter wave MIMO systems, despite the use of analog and hybrid architectures. Such estimates can also be used as part of a joint channel…

信号处理 · 电气工程与系统科学 2022-04-08 Joan Palacios , Nuria González-Prelcic , Cristian Rusu

This paper presents a unified framework for robust three-dimensional (3-D) source localization using a network of sensors equipped with one-dimensional (1-D) linear arrays. While such arrays offer practical advantages in terms of cost and…

信号处理 · 电气工程与系统科学 2025-11-12 Ehsan Alamdari , Rouhollah Amiri

Blind methods often separate or identify signals or signal subspaces up to an unknown scaling factor. Sometimes it is necessary to cope with the scaling ambiguity, which can be done through reconstructing signals as they are received by…

声音 · 计算机科学 2017-08-02 Zbyněk Koldovský , Francesco Nesta

We propose a differentiable sphere tracing algorithm to bridge the gap between inverse graphics methods and the recently proposed deep learning based implicit signed distance function. Due to the nature of the implicit function, the…

计算机视觉与模式识别 · 计算机科学 2020-06-12 Shaohui Liu , Yinda Zhang , Songyou Peng , Boxin Shi , Marc Pollefeys , Zhaopeng Cui

In this paper, we investigate a practical structure of reconfigurable intelligent surface (RIS)-based double spatial scattering modulation (DSSM) for millimeter-wave (mmWave) multiple-input multiple-output (MIMO) systems. A suboptimal…

信息论 · 计算机科学 2023-10-10 Xusheng Zhu , Wen Chen , Qingqing Wu , Jun Li , Nan Cheng , Fangjiong Chen , Changle Li

Accurate global localization is critical for autonomous driving and robotics, but GNSS-based approaches often degrade due to occlusion and multipath effects. As an emerging alternative, cross-view pose estimation predicts the 3-DoF camera…

计算机视觉与模式识别 · 计算机科学 2026-03-24 Juhye Park , Wooju Lee , Dasol Hong , Changki Sung , Youngwoo Seo , Dongwan Kang , Hyun Myung

In this paper, a joint design of instantaneous channel estimation, beam tracking, and adaptive beamformer construction for a massive multiple-input multiple-output (MIMO) system is proposed. This design focuses on efficiency in terms of…

信息论 · 计算机科学 2023-03-02 Anil Kurt , Gokhan M. Guvensen

Accurate estimation of Intrinsic Dimensionality (ID) is of crucial importance in many data mining and machine learning tasks, including dimensionality reduction, outlier detection, similarity search and subspace clustering. However, since…

This paper studies a near-field multiple-input multiple-output (MIMO) radar sensing system, in which the transceivers with massive antennas aim to localize multiple near-field targets in the three-dimensional (3D) space over unknown…

信息论 · 计算机科学 2023-08-31 Haocheng Hua , Jie Xu , Yonina C. Eldar

The Rapid Iterative FiTting (RIFT) parameter inference algorithm provides a simulation-based inference approach to efficient, highly-parallelized parameter inference for GW sources. Previous editions of RIFT have conservatively optimized…

天体物理仪器与方法 · 物理学 2025-05-20 Katelyn J. Wagner , R. O'Shaughnessy , A. Yelikar , N. Manning , D. Fernando , J. Lange , V. Tiwari , A. Fernando , D. Williams

We propose a 6D Bayesian-based localization framework to estimate the position and rotation angles of a mobile station (MS) within an indoor reconfigurable intelligent surface (RIS)-aided system. This framework relies on a probabilistic…

信号处理 · 电气工程与系统科学 2025-08-26 Leonardo Tercas , Markku Juntti

This paper considers sequential adaptive estimation of sparse signals under a constraint on the total sensing effort. The advantage of adaptivity in this context is the ability to focus more resources on regions of space where signal…

统计方法学 · 统计学 2013-04-03 Dennis Wei , Alfred O. Hero

Compared to traditional intelligent reflecting surfaces(IRS), aerial IRS (AIRS) has unique advantages, such as more flexible deployment and wider service coverage. However, modeling AIRS in the channel presents new challenges due to their…

信息论 · 计算机科学 2023-09-06 Shaoyi Liu , Nan Ma , Yaning Chen , Ke Peng , Dongsheng Xue

We propose an advance Steered Response Power (SRP) method for localizing multiple sources. While conventional SRP performs well in adverse conditions, it remains to struggle in scenarios with closely neighboring sources, resulting in…

音频与语音处理 · 电气工程与系统科学 2024-05-21 Wei-Ting Lai , Lachlan Birnie , Xingyu Chen , Amy Bastine , Thushara D. Abhayapala , Prasanga N. Samarasinghe

The mainstream CNN-based remote sensing (RS) image semantic segmentation approaches typically rely on massive labeled training data. Such a paradigm struggles with the problem of RS multi-view scene segmentation with limited labeled views…

计算机视觉与模式识别 · 计算机科学 2023-08-09 Zipeng Qi , Hao Chen , Chenyang Liu , Zhenwei Shi , Zhengxia Zou

We present a novel, reflection-aware method for 3D sound localization in indoor environments. Unlike prior approaches, which are mainly based on continuous sound signals from a stationary source, our formulation is designed to localize the…

声音 · 计算机科学 2017-11-22 Inkyu An , Myungbae Son , Dinesh Manocha , Sung-eui Yoon

Source localization and spectral estimation are among the most fundamental problems in statistical and array signal processing. Methods which rely on the orthogonality of the signal and noise subspaces, such as Pisarenko's method, MUSIC,…

信息论 · 计算机科学 2019-04-16 Matthew W. Morency , Sergiy A. Vorobyov , Geert Leus

This paper proposes an informative trajectory planning approach, namely, \textit{adaptive particle filter tree with sigma point-based mutual information reward approximation} (ASPIRe), for mobile target search and tracking (SAT) in…

机器人学 · 计算机科学 2024-03-05 Kangjie Zhou , Pengying Wu , Yao Su , Han Gao , Ji Ma , Hangxin Liu , Chang Liu

Efficiently finding safe and feasible trajectories for mobile objects is a critical field in robotics and computer science. In this paper, we propose SIL-RRT*, a novel learning-based motion planning algorithm that extends the RRT* algorithm…

机器人学 · 计算机科学 2024-11-27 Xuzhe Dang , Stefan Edelkamp

Received signal strength (RSS)-based wireless localization is easy to implement at low cost. In practice,exact positions of anchors may not be available. This paper focuses on determining the location of a source in the presence of…

信号处理 · 电气工程与系统科学 2021-12-28 Yang Liu , Guojun Han , Yonghua Wang , Zheng Xue , Jing Chen