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Future space observatories achieve detection of gravitational waves by interferometric measurements of a carrier phase, allowing to determine relative distance changes, in combination with an absolute distance measurement based on the…

Instrumentation and Methods for Astrophysics · Physics 2024-01-15 Philipp Euringer , Gerald Hechenblaikner , Francis Soualle , Walter Fichter

This paper proposes prediction-and-sensing based spectrum sharing, a new spectrum-sharing model for cognitive radio networks, with a time structure for each resource block divided into a spectrum prediction-and-sensing phase and a data…

Information Theory · Computer Science 2017-07-25 Van-Dinh Nguyen , Oh-Soon Shin

A commitment to condition monitoring involves the operators of plant in the conduct of a range of activities. These activities may be compli-cated in nature and indeed may often be performed automatically under computer control. They can,…

Other Computer Science · Computer Science 2018-06-25 Hayder O. Alwan , Noor M. Farhan , Qais S- Al-Sabbagh

Direct-conversion transceivers are in demand, due to low implementation cost of analog front-ends. However, these transmitters or receivers introduce imperfections such as in-phase and quadrature-phase (I/Q) imbalances. In this paper, we…

Information Theory · Computer Science 2015-01-27 Omid Semiari , Behrouz Maham , Chau Yuen

We investigate the secrecy performance of an underlay small-cell cognitive radio network under unreliable backhaul connections. The small-cell network shares the same spectrum with the primary network, ensuring that a desired outage…

Signal Processing · Electrical Eng. & Systems 2021-03-09 Jinghua Zhang , Chinmoy Kundu , Octavia A. Dobre , Emi Garcia-Palacios , Nguyen-Son Vo

Multispectral pedestrian detection has attracted increasing attention from the research community due to its crucial competence for many around-the-clock applications (e.g., video surveillance and autonomous driving), especially under…

Computer Vision and Pattern Recognition · Computer Science 2018-08-15 Chengyang Li , Dan Song , Ruofeng Tong , Min Tang

To tackle the challenge of providing higher data rates within limited spectral resources we consider the case of multiple operators sharing a common pool of radio resources. Four algorithms are proposed to address co-primary multi-operator…

Networking and Internet Architecture · Computer Science 2015-02-23 Petri Luoto , Pekka Pirinen , Mehdi Bennis , Sumudu Samarakoon , Simon Scott , Matti Latva-aho

Collaborative spectrum sensing can significantly improve the detection performance of secondary unlicensed users (SUs). However, the performance of collaborative sensing is vulnerable to sensing data falsification attacks, where malicious…

Cryptography and Security · Computer Science 2016-11-17 Lingjie Duan , Alexander W. Min , Jianwei Huang , Kang G. Shin

Cell biasing and downlink transmit power are two controls that may be used to improve the spectral efficiency of cellular networks. With cell biasing, each mobile user associates with the base station offering, say, the highest biased…

Information Theory · Computer Science 2015-12-09 Lex Fridman , Jeffrey Wildman , Steven Weber

In multi-user communication from one base station (BS) to multiple users, the problem of minimizing the transmit power to achieve some target guaranteed performance (rates) at users has been well investigated in the literature. Similarly…

Information Theory · Computer Science 2015-03-17 Umer Salim , Dirk Slock

With the steadily increasing pedestrian fatalities, pedestrian safety is a growing concern, especially in urban environments. Advanced Driver Assistance Systems (ADAS) have been developed to mitigate road user risks by predicting potential…

Human-Computer Interaction · Computer Science 2024-10-10 Hesham Alyamani , Yucheng Yang , David Noyce , Madhav Chitturi , Kassem Fawaz

Traffic signs are critical for maintaining the safety and efficiency of our roads. Therefore, we need to carefully assess the capabilities and limitations of automated traffic sign detection systems. Existing traffic sign datasets are…

Computer Vision and Pattern Recognition · Computer Science 2019-08-30 Dogancan Temel , Min-Hung Chen , Ghassan AlRegib

Reliable estimation of users' channels and data in rapidly time varying fading environments is a very challenging task of multiuser detection (MUD) techniques that promise impressive capacity gains for interference limited systems such as…

Information Theory · Computer Science 2012-05-15 Indu L. Shakya , Falah H. Ali

Physiological signals can potentially be applied as objective measures to understand the behavior and engagement of users interacting with information access systems. However, the signals are highly sensitive, and many controls are required…

Information Retrieval · Computer Science 2023-04-27 Kaixin Ji , Damiano Spina , Danula Hettiachchi , Flora Dilys Salim , Falk Scholer

Age-of-information is a novel performance metric in communication systems to indicate the freshness of the latest received data, which has wide applications in monitoring and control scenarios. Another important performance metric in these…

Information Theory · Computer Science 2018-08-07 Jie Gong , Xiang Chen , Xiao Ma

Traffic flows are studied in terms of their noise of sound, which is an easily accessible experimental quantity. The sound noise data is studied making use of scaling properties of wavelet transforms and Hurst exponents are extracted. The…

Data Analysis, Statistics and Probability · Physics 2009-11-11 B. -S. Skagerstam , A. Hansen

In multi-class communication networks, traffic surges due to one class of users can significantly degrade the performance for other classes. During these transient periods, it is thus of crucial importance to implement priority mechanisms…

Performance · Computer Science 2011-12-12 Mathieu Feuillet , Matthieu Jonckheere , Balakrishna J. Prabhu

We numerically investigate jamming transitions in complex heterogeneous networks. Inspired by Internet routing protocols, we study a general model that incorporates local traffic information through a tunable parameter. The results show…

Statistical Mechanics · Physics 2007-05-23 Pablo Echenique , Jesus Gomez-Gardenes , Yamir Moreno

In this study, we investigate a context-aware status updating system consisting of multiple sensor-estimator pairs. A centralized monitor pulls status updates from multiple sensors that are monitoring several safety-critical situations…

Information Theory · Computer Science 2023-10-11 Tasmeen Zaman Ornee , Md Kamran Chowdhury Shisher , Clement Kam , Yin Sun

This paper offers a comprehensive performance analysis of the distributed continuous-time filtering in the presence of modeling errors. First, we introduce two performance indices, namely the nominal performance index and the estimation…

Systems and Control · Electrical Eng. & Systems 2025-03-04 Xiaoxu Lyu , Shilei Li , Dawei Shi , Ling Shi
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