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We consider a joint multiple-antenna radar-communications system in a co-existence scenario. Contrary to conventional applications, wherein at least the radar waveform and communications channel are known or estimated \textit{a priori}, we…

信息论 · 计算机科学 2022-06-13 Roman Jacome , Kumar Vijay Mishra , Edwin Vargas , Brian M. Sadler , Henry Arguello

Objective-The main purpose of this paper is to construct a distributed clustering algorithm such that each distributed cluster can perform the data accuracy at their respective cluster head node before data aggregation and transmit the data…

网络与互联网体系结构 · 计算机科学 2011-01-12 Jyotirmoy Karjee , H. S Jamadagni

Rogue emitter detection (RED) is a crucial technique to maintain secure internet of things applications. Existing deep learning-based RED methods have been proposed under the friendly environments. However, these methods perform unstable…

信号处理 · 电气工程与系统科学 2022-12-02 Zeyang Yang , Xue Fu , Guan Gui , Yun Lin , Haris Gacanin , Hikmet Sari , Fumiyuki Adachi

In this paper, we developed the solution of roadside LiDAR object detection using a combination of two unsupervised learning algorithms. The 3D point clouds are firstly converted into spherical coordinates and filled into the…

计算机视觉与模式识别 · 计算机科学 2022-06-14 Tianya Zhang , Peter J. Jin

The signal demixing problem seeks to separate a superposition of multiple signals into its constituent components. This paper studies a two-stage approach that first decompresses and subsequently deconvolves the noisy and undersampled…

信息检索 · 计算机科学 2022-05-25 Zhenan Fan , Halyun Jeong , Babhru Joshi , Michael P. Friedlander

Dynamic Time Division Duplex (TDD) has been introduced as a solution to deal with the uplink and downlink traffic asymmetry, mainly observed for dense heterogeneous network deployments. However, the use of this feature requires new…

网络与互联网体系结构 · 计算机科学 2018-05-18 Jalal Rachad , Ridha Nasri , Laurent Decreusefond

Outlier detection in data streams has gained wide importance presently due to the increasing cases of fraud in various applications of data streams. The techniques for outlier detection have been divided into either statistics based,…

分布式、并行与集群计算 · 计算机科学 2010-03-25 Parneeta Dhaliwal , M. P. S. Bhatia , Priti Bansal

Although distance measures are used in many machine learning algorithms, the literature on the context-independent selection and evaluation of distance measures is limited in the sense that prior knowledge is used. In cluster analysis,…

机器学习 · 计算机科学 2021-08-24 Michael C. Thrun

We consider the problem of finding the matching map between two sets of $d$ dimensional vectors from noisy observations, where the second set contains outliers. The matching map is then an injection, which can be consistently estimated only…

统计理论 · 数学 2022-10-28 Tigran Galstyan , Arshak Minasyan , Arnak Dalalyan

We propose a framework for the derivation and evaluation of distributed iterative algorithms for receiver cooperation in interference-limited wireless systems. Our approach views the processing within and collaboration between receivers as…

信息论 · 计算机科学 2012-04-18 Mihai-Alin Badiu , Carles Navarro Manchón , Vasile Bota , Bernard Henri Fleury

With the increased availability of condition monitoring data and the increased complexity of explicit system physics-based models, the application of data-driven approaches for fault detection and isolation has recently grown. While…

系统与控制 · 电气工程与系统科学 2020-01-01 Manuel Arias Chao , Chetan Kulkarni , Kai Goebel , Olga Fink

Energy being the very key concern area with sensor networks, so the main focus lies in developing a mechanism to increase the lifetime of a sensor network by energy balancing. To achieve energy balancing and maximizing network lifetime we…

网络与互联网体系结构 · 计算机科学 2013-06-07 Deepali Virmani , Akshay Jain , Ankit Khandelwal , Divik Gupta , Nitin Garg

As deep learning methods form a critical part in commercially important applications such as autonomous driving and medical diagnostics, it is important to reliably detect out-of-distribution (OOD) inputs while employing these algorithms.…

机器学习 · 计算机科学 2018-09-12 Apoorv Vyas , Nataraj Jammalamadaka , Xia Zhu , Dipankar Das , Bharat Kaul , Theodore L. Willke

We present a methodology for clustering N objects which are described by multivariate time series, i.e. several sequences of real-valued random variables. This clustering methodology leverages copulas which are distributions encoding the…

机器学习 · 统计学 2016-11-15 Gautier Marti , Sébastien Andler , Frank Nielsen , Philippe Donnat

Many satellite communication systems operating today employ low cost upconverters or downconverters which create phase noise. This noise can severely limit the information rate of the system and pose a serious challenge for the detection…

信息论 · 计算机科学 2012-10-19 Shachar Shayovitz , Dan Raphaeli

Finding well-defined clusters in data represents a fundamental challenge for many data-driven applications, and largely depends on good data representation. Drawing on literature regarding representation learning, studies suggest that one…

机器学习 · 计算机科学 2020-11-05 Daniel Lutscher , Ali el Hassouni , Maarten Stol , Mark Hoogendoorn

In this paper we present a novel framework for unsupervised topological clustering resulting in improved loop. In this paper we present a novel framework for unsupervised topological clustering resulting in improved loop detection and…

机器人学 · 计算机科学 2023-10-10 Ayush Sharma , Yash Mehan , Pradyumna Dasu , Sourav Garg , Madhava Krishna

The problem of multimodal clustering arises whenever the data are gathered with several physically different sensors. Observations from different modalities are not necessarily aligned in the sense there there is no obvious way to associate…

机器学习 · 统计学 2020-12-10 Vasil Khalidov , Florence Forbes , Radu Horaud

In this letter, a C-RAN-type cluster-head-driven uplink model for multiple-antenna Unmanned Aerial Vehicles (UAV) relaying schemes, which enables joint Maximum Likelihood (ML) symbol detection in the UAV cluster-head and the selection of…

信息论 · 计算机科学 2020-07-22 F. L. Duarte , R. C. de Lamare

With the increasing penetration of distributed energy resources (DERs) in distribution grids, their impact on grid operations can no longer be ignored. However, the individual control of these increasingly ubiquitous devices remains a…

最优化与控制 · 数学 2022-07-26 Jun-Xing Chin , Gabriela Hug