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Contrastive Learning (CL) has recently emerged as a powerful technique in recommendation systems, particularly for its capability to harness self-supervised signals from perturbed views to mitigate the persistent challenge of data sparsity.…

Information Retrieval · Computer Science 2025-04-08 Zheyu Chen , Jinfeng Xu , Yutong Wei , Ziyue Peng

In this paper, we propose a symbol-level precoding (SLP) design that aims to minimize the weighted mean square error between the received signal and the constellation point located in the constructive interference region (CIR). Unlike most…

Information Theory · Computer Science 2022-10-04 Yafei Wang , Wenjin Wang , Li You , Christos G. Tsinos , Shi Jin

In this paper we consider an un-cooperative spectrum sharing scenario, wherein a radar system is to be overlaid to a pre-existing wireless communication system. Given the order of magnitude of the transmitted powers in play, we focus on the…

Systems and Control · Electrical Eng. & Systems 2023-04-06 Yinchuan Li , Le Zheng , Marco Lops , Xiaodong Wang

Decentralized learning over distributed datasets can have significantly different data distributions across the agents. The current state-of-the-art decentralized algorithms mostly assume the data distributions to be Independent and…

Machine Learning · Computer Science 2023-03-22 Sai Aparna Aketi , Sangamesh Kodge , Kaushik Roy

Edge computing environments host increasingly complex microservice-based IoT applications, which are prone to performance anomalies that can propagate across dependent services. Identifying the true source of such anomalies, known as Root…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-11-18 Duneesha Fernando , Maria A. Rodriguez , Rajkumar Buyya

This paper investigates integrated localization and communication in a multi-cell system and proposes a coordinated beamforming algorithm to enhance target localization accuracy while preserving communication performance. Within this…

Signal Processing · Electrical Eng. & Systems 2025-02-26 Meidong Xia , Wei Xu , Jindan Xu , Zhenyao He , Zhaohui Yang , Derrick Wing Kwan Ng

Multi-tier cellular networks are considered as an effective solution to enhance the coverage and data rate offered by cellular systems. In a multi-tier network, high power base stations (BSs) such as macro BSs are overlaid by lower power…

Networking and Internet Architecture · Computer Science 2014-09-30 Ahmed Hamdi Sakr , Ekram Hossain

Clustering algorithms have significantly improved along with Deep Neural Networks which provide effective representation of data. Existing methods are built upon deep autoencoder and self-training process that leverages the distribution of…

Computer Vision and Pattern Recognition · Computer Science 2021-09-17 Xin Ma , Won Hwa Kim

Collision avoidance and platooning applications require vehicle localization at cm-level accuracy and at least 50 Hz rate for full autonomy. The RADAR/LIDAR and camera based methods currently used for vehicle localization do not satisfy…

Signal Processing · Electrical Eng. & Systems 2021-02-01 Burak Soner , Sinem Coleri

With the proliferation of deep learning techniques for wireless communication, several works have adopted learning-based approaches to solve the channel estimation problem. While these methods are usually promoted for their computational…

Information Theory · Computer Science 2022-11-22 Mohamed Akrout , Amal Feriani , Faouzi Bellili , Amine Mezghani , Ekram Hossain

Intelligent reflecting surface (IRS) is a novel burgeoning concept, which possesses advantages in enhancing wireless communication and user localization, while maintaining low hardware cost and energy consumption. Herein, we establish an…

Information Theory · Computer Science 2021-03-02 Rui Wang , Zhe Xing , Erwu Liu

In a cognitive radio (CR) network, CR users intend to operate over the same spectrum band licensed to legacy networks. A tradeoff exists between protecting the communications in legacy networks and maximizing the throughput of CR…

Information Theory · Computer Science 2011-05-04 Yi Song , Jiang Xie

We consider the problem of self-localization by a resource-constrained mobile node given perturbed anchor position information and distance estimates from the anchor nodes. We consider normally-distributed noise in anchor position…

Information Theory · Computer Science 2017-11-07 Vikram Kumar , Reza Arablouei , Raja Jurdak , Branislav Kusy , Neil W. Bergmann

Local Ca Releases (LCRs) are crucial events involved in cardiac pacemaker cell function. However, specific algorithms for automatic LCR detection and analysis have not been developed in live, spontaneously beating pacemaker cells. Here we…

Unsupervised visual representation learning has gained much attention from the computer vision community because of the recent achievement of contrastive learning. Most of the existing contrastive learning frameworks adopt the instance…

Computer Vision and Pattern Recognition · Computer Science 2021-10-12 Mingkai Zheng , Fei Wang , Shan You , Chen Qian , Changshui Zhang , Xiaogang Wang , Chang Xu

Millimeter-wave (mmWave) cloud radio access networks (CRANs) provide new opportunities for accurate cooperative localization, in which large bandwidths, large antenna arrays, and increased densities of base stations allow for their…

Information Theory · Computer Science 2019-08-13 Jie Yang , Shi Jin , Chao-Kai Wen , Jiajia Guo , Michail Matthaiou

Recently, contrastive learning (CL) plays an important role in exploring complementary information for multi-view clustering (MVC) and has attracted increasing attention. Nevertheless, real-world multi-view data suffer from data…

Machine Learning · Computer Science 2025-12-29 Hongqing He , Jie Xu , Wenyuan Yang , Yonghua Zhu , Guoqiu Wen , Xiaofeng Zhu

We propose a distributed positioning algorithm to estimate the unknown positions of a number of target nodes, given distance measurements between target nodes and between target nodes and a number of reference nodes at known positions.…

Information Theory · Computer Science 2017-04-26 Mohammad Reza Gholami , Luba Tetruashvili , Erik G. Ström , Yair Censor

This correspondence paper studies a network integrated sensing and communication (ISAC) system that unifies the interference channel for communication and distributed radar sensing. In this system, a set of distributed ISAC transmitters…

Information Theory · Computer Science 2022-03-24 Yi Huang , Yuan Fang , Xinmin Li , Jie Xu

Contemporary weakly-supervised object localization (WSOL) methods have primarily focused on addressing the challenge of localizing the most discriminative region while largely overlooking the relatively less explored issue of biased…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Feifei Shao , Yawei Luo , Lei Chen , Ping Liu , Wei Yang , Yi Yang , Jun Xiao