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Device-free wireless indoor localization is a key enabling technology for the Internet of Things (IoT). Fingerprint-based indoor localization techniques are a commonly used solution. This paper proposes a semi-supervised, generative…

Signal Processing · Electrical Eng. & Systems 2020-08-18 Kevin M. Chen , Ronald Y. Chang

Although GPS has been considered a ubiquitous outdoor localization technology, we are still far from a similar technology for indoor environments. While a number of technologies have been proposed for indoor localization, they are isolated…

Networking and Internet Architecture · Computer Science 2012-04-17 Moustafa Youssef , Moustafa Elzantout , Reem Elkhouly , Amal Lotfy

Massive data streams from IoT and cyber-physical systems must be processed under strict bandwidth, latency, and resource constraints. Generalized Deduplication (GD) is a promising lossless compression framework, as it supports random access…

Databases · Computer Science 2026-02-11 Xiaobo Zhao , Daniel E. Lucani

Gaussian processes (GPs) serve as flexible surrogates for complex surfaces, but buckle under the cubic cost of matrix decompositions with big training data sizes. Geospatial and machine learning communities suggest pseudo-inputs, or…

Methodology · Statistics 2021-02-05 D. Austin Cole , Ryan Christianson , Robert B. Gramacy

Inference in Gaussian process (GP) models is computationally challenging for large data, and often difficult to approximate with a small number of inducing points. We explore an alternative approximation that employs stochastic inference…

Machine Learning · Statistics 2019-05-28 Jiaxin Shi , Mohammad Emtiyaz Khan , Jun Zhu

Wi-Fi fingerprinting remains one of the most practical solutions for indoor positioning, however, its performance is often limited by the size and heterogeneity of fingerprint datasets, strong Received Signal Strength Indicator variability,…

Machine Learning · Computer Science 2026-01-12 Miguel Matey-Sanz , Joaquín Torres-Sospedra , Joaquín Huerta , Sergio Trilles

Gaussian processes are a flexible Bayesian nonparametric modelling approach that has been widely applied but poses computational challenges. To address the poor scaling of exact inference methods, approximation methods based on sparse…

Machine Learning · Statistics 2021-06-01 Rui Meng , Herbert Lee , Soper Braden , Priyadip Ray

Sparse pseudo-point approximations for Gaussian process (GP) models provide a suite of methods that support deployment of GPs in the large data regime and enable analytic intractabilities to be sidestepped. However, the field lacks a…

Machine Learning · Statistics 2017-11-15 Thang D. Bui , Cuong V. Nguyen , Richard E. Turner

Time-sensitive wireless networks are an important enabling building block for many emerging industrial Internet of Things (IoT) applications. Quick prototyping and evaluation of time-sensitive wireless technologies are desirable for R&D…

Networking and Internet Architecture · Computer Science 2020-12-22 Jiaxin Liang , He Chen , Soung Chang Liew

Enabling large-scale energy-efficient Internet-of-things (IoT) connectivity is an essential step towards realization of networked society. While legacy wide-area wireless systems are highly dependent on network-side coordination, the level…

Networking and Internet Architecture · Computer Science 2018-07-26 Amin Azari , Cicek Cavdar

The Satellite Internet of Things (S-IoT) enables global connectivity for remote sensing devices that must operate energy-efficiently over long time spans. We consider an S-IoT system consisting of a sender-receiver pair connected by a data…

Networking and Internet Architecture · Computer Science 2026-05-20 Wanja de Sombre , Monika Tomová , Marek Galinski , Anja Klein , Andrea Ortiz

Many localization algorithms and systems have been developed by means of wireless sensor networks for both indoor and outdoor environments. To achieve higher localization accuracy, extra hardware equipments are utilized by most of the…

Networking and Internet Architecture · Computer Science 2012-01-04 Zhikui Chen , Feng Xia , Tao Huang , Fanyu Bu , Haozhe Wang

Indoor human positioning has become increasingly important for applications such as health monitoring, breath monitoring, human identification, safety and rescue operations, and security surveillance. However, achieving robust indoor human…

Signal Processing · Electrical Eng. & Systems 2024-03-08 Amala Sonny , Abhinav Kumar , Linga Reddy Cenkeramaddi

The rapid expansion of the Internet of Things (IoT) ecosystem has transformed various sectors but has also introduced significant cybersecurity challenges. Traditional centralized security methods often struggle to balance privacy…

Cryptography and Security · Computer Science 2025-02-18 Milad Rahmati

With the emerge of the Internet of Things (IoT), localization within indoor environments has become inevitable and has attracted a great deal of attention in recent years. Several efforts have been made to cope with the challenges of…

Information Theory · Computer Science 2022-11-17 Ashkan Goharfar , Jaber Babaki , Mehdi Rasti , Pedro H. J. Nardelli

We propose DistGP: a multi-robot learning method for collaborative learning of a global function using only local experience and computation. We utilise a sparse Gaussian process (GP) model with a factorisation that mirrors the multi-robot…

Robotics · Computer Science 2026-03-10 Seth Nabarro , Mark van der Wilk , Andrew J. Davison

Indoor localization in challenging non-line-of-sight (NLOS) environments often leads to poor accuracy with traditional approaches. Deep learning (DL) has been applied to tackle these challenges; however, many DL approaches overlook…

Machine Learning · Computer Science 2025-12-29 Saad Masrur , Jung-Fu , Cheng , Atieh R. Khamesi , Ismail Guvenc

Reconfigurable intelligent surface (RIS) has emerged as a promising technology to enhance indoor wireless communication and sensing performance. However, the construction of reliable received signal strength (RSS)-based fingerprint…

Signal Processing · Electrical Eng. & Systems 2025-12-30 Xin Cheng , Yu He , Menglu Li , Ruoguang Li , Feng Shu , Guangjie Han

The rapid increase in the adoption of Internet-of-Things (IoT) devices raises critical privacy concerns as these devices can access a variety of sensitive data. The current status quo of relying on manufacturers' cloud services to process…

Cryptography and Security · Computer Science 2022-05-10 Dohyun Kim , Prasoon Patidar , Han Zhang , Abhijith Anilkumar , Yuvraj Agarwal

AI Innovations in the IoT for Real-Time Patient Monitoring On one hand, the current traditional centralized healthcare architecture poses numerous issues, including data privacy, delay, and security. Here, we present an AI-enabled…

Cryptography and Security · Computer Science 2025-07-23 Harsha Sammangi , Aditya Jagatha , Giridhar Reddy Bojja , Jun Liu