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Fingerprint-based indoor localization is often labor-intensive due to the need for dense grids and repeated measurements across time and space. Maintaining high localization accuracy with extremely sparse fingerprints remains a persistent…

Machine Learning · Computer Science 2025-04-08 Wenzhong Yan , Feng Yin , Jun Gao , Ao Wang , Yang Tian , Ruizhi Chen

With the recent development of technology, wireless sensor networks (WSN) are becoming an important part of many applications. Knowing the exact location of each sensor in the network is very important issue. Therefore, the localization…

Networking and Internet Architecture · Computer Science 2016-06-27 Biljana Risteska Stojkoska , Vesna Kirandziska

Machine learning (ML) offers a promising solution to pathloss prediction. However, its effectiveness can be degraded by the limited availability of data. To alleviate these challenges, this paper introduces a novel simulation-enhanced data…

We present a neural network for mitigating biased errors in pseudoranges to improve localization performance with data collected from mobile phones. A satellite-wise Multilayer Perceptron (MLP) is designed to regress the pseudorange bias…

Machine Learning · Computer Science 2023-12-25 Xu Weng , Keck Voon Ling , Haochen Liu

In this paper we propose a novel augmentation technique that improves not only the performance of deep neural networks on clean test data, but also significantly increases their robustness to random transformations, both affine and…

In this paper we study data augmentation for opcode sequence based Android malware detection. Data augmentation has been successfully used in many areas of deep-learning to significantly improve model performance. Typically, data…

Cryptography and Security · Computer Science 2022-04-01 Niall McLaughlin , Jesus Martinez del Rincon

Optimizing the cellular network's cell locations is one of the most fundamental problems of network design. The general objective is to provide the desired Quality-of-Service (QoS) with the minimum system cost. In order to meet a growing…

Networking and Internet Architecture · Computer Science 2013-07-23 Weisi Guo , Siyi Wang , Xiaoli Chu , Jiming Chen , Hui Song , Jie Zhang

Accurate and robust indoor localization is critical for smart building applications, yet existing Wi-Fi-based systems are often vulnerable to environmental conditions. This work presents a novel indoor localization system, called LiGen,…

Robotics · Computer Science 2025-10-31 Jie Lin , Hsun-Yu Lee , Ho-Ming Li , Fang-Jing Wu

Deep Neural Networks (DNNs) are a promising tool for Global Navigation Satellite System (GNSS) positioning in the presence of multipath and non-line-of-sight errors, owing to their ability to model complex errors using data. However,…

Robotics · Computer Science 2022-06-23 Ashwin V. Kanhere , Shubh Gupta , Akshay Shetty , Grace Gao

High-fidelity full-field micro-mechanical modeling of the non-linear path-dependent materials demands a substantial computational effort. Recent trends in the field incorporates data-driven Artificial Neural Networks (ANNs) as surrogate…

Materials Science · Physics 2023-11-27 Hon Lam Cheung , Petter Uvdal , Mohsen Mirkhalaf

Wireless sensing has recently found widespread applications in diverse environments, including homes, offices, and public spaces. By analyzing patterns in channel state information (CSI), it is possible to infer human actions for tasks such…

Computer Vision and Pattern Recognition · Computer Science 2025-12-18 Zijian Zhao , Zhijie Cai , Tingwei Chen , Xiaoyang Li , Hang Li , Qimei Chen , Guangxu Zhu

Artificial intelligence and data-driven networks will be integral part of 6G systems. In this article, we comprehensively discuss implementation challenges and need for architectural changes in 5G radio access networks for integrating…

Networking and Internet Architecture · Computer Science 2021-08-26 M. Majid Butt , Anna Pantelidou , István Z. Kovács

Data augmentation is a crucial technique in deep learning, particularly for tasks with limited dataset diversity, such as skeleton-based datasets. This paper proposes a comprehensive data augmentation framework that integrates geometric…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Nada Aboudeshish , Dmitry Ignatov , Radu Timofte

Kernel Density Estimation (KDE) is a nonparametric method for estimating the shape of a density function, given a set of samples from the distribution. Recently, locality-sensitive hashing, originally proposed as a tool for nearest neighbor…

Data Structures and Algorithms · Computer Science 2022-03-02 Matti Karppa , Martin Aumüller , Rasmus Pagh

Accurate estimation of the position of network nodes is essential, e.g., in localization, geographic routing, and vehicular networks. Unfortunately, typical positioning techniques based on ranging or on velocity and angular measurements are…

Information Theory · Computer Science 2016-11-17 Alessio De Angelis , Carlo Fischione

Finger vein recognition (FVR) has emerged as a secure biometric technique because of the confidentiality of vascular bio-information. Recently, deep learning-based FVR has gained increased popularity and achieved promising performance.…

Computer Vision and Pattern Recognition · Computer Science 2024-12-31 Xiu-Feng Huang , Lai-Man Po , Wei-Feng Ou

We study the realism of Sionna v1.0.2 ray-tracing for outdoor cellular links in central Rome. We use a real measurement set of 1,664 user-equipments (UEs) and six nominal base-station (BS) sites. Using these fixed positions we…

Networking and Internet Architecture · Computer Science 2025-07-29 Armen Manukyan , Hrant Khachatrian , Edvard Ghukasyan , Theofanis P. Raptis

Location awareness in wireless networks may enable many applications such as emergency services, autonomous driving and geographic routing. Although there are many available positioning techniques, none of them is adapted to work with…

Information Theory · Computer Science 2015-09-02 Vladimir Savic , Erik G. Larsson

Scarcity of training data is one of the prominent problems for deep networks which require large amounts data. Data augmentation is a widely used method to increase the number of training samples and their variations. In this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2020-12-10 Hilmi Kumdakcı , Cihan Öngün , Alptekin Temizel

This paper presents a nonlinear location estimation to infer the position of a user holding a smartphone. We consider a large location with $M$ number of grid points, each grid point is labeled with a unique fingerprint consisting of the…

Networking and Internet Architecture · Computer Science 2022-04-11 Pai Chet Ng , Petros Spachos , James She , Konstantinos N. Plataniotis