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Modern statistical estimation is often performed in a distributed setting where each sample belongs to a single user who shares their data with a central server. Users are typically concerned with preserving the privacy of their samples,…

Machine Learning · Computer Science 2023-05-16 Gecia Bravo-Hermsdorff , Róbert Busa-Fekete , Mohammad Ghavamzadeh , Andres Muñoz Medina , Umar Syed

This paper presents an entropy based adaptive measurement sequence strategy for quantum sensing of magnetic fields. To physically ground our ideas we consider a sensor employing a nitrogen vacancy center in diamond, however our approach is…

Location entropy (LE) is a popular metric for measuring the popularity of various locations (e.g., points-of-interest). Unlike other metrics computed from only the number of (unique) visits to a location, namely frequency, LE also captures…

Cryptography and Security · Computer Science 2019-09-04 Hien To , Kien Nguyen , Cyrus Shahabi

Smartphones and wearable devices have been integrated into our daily lives, offering personalized services. However, many apps become overprivileged as their collected sensing data contains unnecessary sensitive information. For example,…

Cryptography and Security · Computer Science 2024-09-09 Guangjing Wang , Hanqing Guo , Yuanda Wang , Bocheng Chen , Ce Zhou , Qiben Yan

To quantify the complexity of a system, entropy-based methods have received considerable critical attentions in real-world data analysis. Among numerous entropy algorithms, amplitude-based formulas, represented by Sample Entropy, suffer…

Signal Processing · Electrical Eng. & Systems 2022-01-12 Hongjian Xiao , Danilo P. Mandic

In this paper, we propose a novel encrypted data transmission scheme using an intelligent reflecting surface (IRS) to generate secret keys in wireless communication networks. We show that perfectly secure one-time pad (OTP) communications…

Information Theory · Computer Science 2021-03-10 Zijie Ji , Phee Lep Yeoh , Gaojie Chen , Cunhua Pan , Yan Zhang , Zunwen He , Hao Yin , Yonghui Li

Cooperative relaying is utilized as an efficient method for data communication in wireless sensor networks and the Internet of Things (IoT). However, sometimes due to the necessity of multi-hop relaying in such communication networks, it is…

Signal Processing · Electrical Eng. & Systems 2020-11-17 Milad Tatar Mamaghani , Ali Kuhestani , Hamid Behroozi

Quantum sensing utilizes quantum systems as sensors to capture weak signal, and provides new opportunities in nowadays science and technology. The strongest adversary in quantum sensing is decoherence due to the coupling between the sensor…

Quantum Physics · Physics 2020-07-15 Yijin Xie , Jianpei Geng , Huiyao Yu , Xing Rong , Ya Wang , Jiangfeng Du

In this paper, we propose a cooperative approach to improve the security of both primary and secondary systems in cognitive radio multicast communications. During their access to the frequency spectrum licensed to the primary users, the…

Information Theory · Computer Science 2017-03-02 Van-Dinh Nguyen , Trung Q. Duong , Oh-Soon Shin , Arumugam Nallanathan , George K. Karagiannidis

Sensors (e.g., light, gyroscope, accelerotmeter) and sensing enabled applications on a smart device make the applications more user-friendly and efficient. However, the current permission-based sensor management systems of smart devices…

Cryptography and Security · Computer Science 2017-07-03 Amit Kumar Sikder , Hidayet Aksu , A. Selcuk Uluagac

Sophisticated mass attacks, especially when exploiting zero-day vulnerabilities, have the potential to cause destructive damage to organizations and critical infrastructure. To timely detect and contain such attacks, collaboration among the…

Cryptography and Security · Computer Science 2019-05-10 Nikolaos Alexopoulos , Emmanouil Vasilomanolakis , Stephane Le Roux , Steven Rowe , Max Mühlhäuser

Non-intrusive presence detection of individuals in commercial buildings is much easier to implement than intrusive methods such as passive infrared, acoustic sensors, and camera. Individual power consumption, while providing useful feedback…

Human-Computer Interaction · Computer Science 2017-05-03 Ming Jin , Ruoxi Jia , Zhoayi Kang , Ioannis C. Konstantakopoulos , Costas Spanos

Satellite-terrestrial networks (STNs) have emerged as a promising architecture for providing seamless wireless coverage and connectivity for multiple users. However, potential malicious eavesdroppers pose a serious threat to the private…

Cryptography and Security · Computer Science 2026-02-09 Yujie Ling , Zan Li , Lei Guan , Zheng Zhang , Shengyu Zhang , Tony Q. S. Quek

The principle of maximum entropy is a broadly applicable technique for computing a distribution with the least amount of information possible while constrained to match empirically estimated feature expectations. However, in many real-world…

Machine Learning · Computer Science 2022-08-16 Kenneth Bogert , Yikang Gui , Prashant Doshi

We address the design of opportunistic spectrum access (OSA) strategies that allow secondary users to independently search for and exploit instantaneous spectrum availability. Integrated in the joint design are three basic components: a…

Networking and Internet Architecture · Computer Science 2016-11-17 Yunxia Chen , Qing Zhao , Ananthram Swami

GNSS receivers are vulnerable to jamming and spoofing attacks, and numerous such incidents have been reported worldwide in the last decade. It is important to detect attacks fast and localize attackers, which can be hard if not impossible…

Signal Processing · Electrical Eng. & Systems 2022-05-02 Glädje Karl Olsson , Erik Axell , Erik G. Larsson , Panos Papadimitratos

Outsourcing anomaly detection to third-parties can allow data owners to overcome resource constraints (e.g., in lightweight IoT devices), facilitate collaborative analysis (e.g., under distributed or multi-party scenarios), and benefit from…

Cryptography and Security · Computer Science 2022-06-28 Meisam Mohammady , Han Wang , Lingyu Wang , Mengyuan Zhang , Yosr Jarraya , Suryadipta Majumdar , Makan Pourzandi , Mourad Debbabi , Yuan Hong

In this work, we analyze the advantages of multi-hop data fragmentation in unattended wireless sensor networks (UWSN) and propose a lightweight protocol to achieve it. UWSN has recently become an important aspect in various areas of sensor…

Networking and Internet Architecture · Computer Science 2019-01-18 Keun-Woo Lim , Katarzyna Kapusta , Gerard Memmi , Woo-Sung Jung

Compressive sensing is a signal acquisition framework based on the revelation that a small collection of linear projections of a sparse signal contains enough information for stable recovery. In this paper we introduce a new theory for…

Information Theory · Computer Science 2009-01-23 Dror Baron , Marco F. Duarte , Michael B. Wakin , Shriram Sarvotham , Richard G. Baraniuk

Cooperative spectrum sensing (CSS) is essential for improving the spectrum efficiency and reliability of cognitive radio applications. Next-generation wireless communication networks increasingly employ uniform planar arrays (UPA) due to…

Signal Processing · Electrical Eng. & Systems 2025-04-15 Charith Dissanayake , Saman Atapattu , Prathapasinghe Dharmawansa , Jing Fu , Sumei Sun , Kandeepan Sithamparanathan