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Multi-bit watermarking (MW) has been designed to enhance resistance against watermarking attacks, such as signal processing operations and geometric distortions. Various benchmark tools exist to assess this robustness through simulated…

Multimedia · Computer Science 2025-05-06 Seung-Hun Nam , Jihyeon Kang , Daesik Kim , Namhyuk Ahn , Wonhyuk Ahn

Millimeter-wave (mmWave) channels, which occupy frequency ranges much higher than those being used in previous wireless communications systems, are utilized to meet the increased throughput requirements that come with 5G communications. The…

Signal Processing · Electrical Eng. & Systems 2023-02-16 Esen Özbay

Multi-channel analysers (MCAs) play a crucial role in spectral measurements, especially in the context of Silicon Photomultipliers (SiPMs) used for gamma spectroscopy. Most commercial MCAs, while highly accurate, remain cost-prohibitive for…

Instrumentation and Detectors · Physics 2025-02-21 P. Kučera , O. Urban , O. Růžička , M. Vítek , P. M. Stašek , R. Klesa , M. Holík , F. Ahmadov , A. Sadigov , A. Mammadli , Ch. Abbasova , O. Pavlas , T. Slavíček

Cache side channel attacks are a sophisticated and persistent threat that exploit vulnerabilities in modern processors to extract sensitive information. These attacks leverage weaknesses in shared computational resources, particularly the…

Cryptography and Security · Computer Science 2025-01-29 Tejal Joshi , Aarya Kawalay , Anvi Jamkhande , Amit Joshi

This paper presents a statistical framework for assessing wireless systems performance using hierarchical data mining techniques. We consider WCDMA (wideband code division multiple access) systems with two-branch STTD (space time transmit…

Computational Engineering, Finance, and Science · Computer Science 2007-05-23 Alex Verstak , Naren Ramakrishnan , Kyung Kyoon Bae , William H. Tranter , Layne T. Watson , Jian He , Clifford A. Shaffer , Theodore S. Rappaport

Millimeter wave (mm-wave) communication with large-scale antenna array configuration is seen as the key enabler of the next generation communication systems. Accurate knowledge of the mm-wave propagation channels is fundamental and…

Signal Processing · Electrical Eng. & Systems 2021-07-15 Xuesong Cai , Wei Fan

The future power grid will be characterized by the pervasive use of heterogeneous and non-proprietary information and communication technology, which exposes the power grid to a broad scope of cyber-attacks. In particular,…

Cryptography and Security · Computer Science 2018-06-12 Christian Moya , Junho Hong , Jiankang Wang

Adversarial attacks have long been developed for revealing the vulnerability of Deep Neural Networks (DNNs) by adding imperceptible perturbations to the input. Most methods generate perturbations like normal noise, which is not…

Machine Learning · Computer Science 2020-10-23 Zhixing Ye , Sizhe Chen , Peidong Zhang , Chengjin Sun , Xiaolin Huang

The existing medium access control (MAC) protocol of Wi-Fi networks (i.e., carrier-sense multiple access with collision avoidance (CSMA/CA)) suffers from poor performance in dense deployments due to the increasing number of collisions and…

Information Theory · Computer Science 2021-11-18 Jiantao Xin , Wensen Xu , Yucheng Cai , Taotao Wang , Shengli Zhang , Peng Liu , Ziyang Guo , Jiajun Luo

Current black-box adversarial attacks either require multiple queries or diffusion models to produce adversarial samples that can impair the target model performance. However, these methods require training a surrogate loss or diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-12-08 Joana C. Costa , Tiago Roxo , Hugo Proença , Pedro R. M. Inácio

Multi-image super-resolution, which aims to fuse and restore a high-resolution image from multiple images at the same location, is crucial for utilizing satellite images. The satellite images are often occluded by atmospheric disturbances…

Image and Video Processing · Electrical Eng. & Systems 2022-08-17 Minji Lee

This paper focuses on a typical uplink transmission scenario over multiple-input multiple-output multiple access channel (MIMO-MAC) and thus propose a multi-user learnable CSI fusion semantic communication (MU-LCFSC) framework. It…

Networking and Internet Architecture · Computer Science 2025-04-14 Bingyan Xie , Yongpeng Wu , Feng Shu , Jiangzhou Wang , Wenjun Zhang

In this paper, we investigate a new waveform for UWB systems obtained by the combination of Orthogonal Frequency Division Multiplex (OFDM) and Code Division Multiple Access (CDMA). The proposed system, called Spread Spectrum - Multi-Carrier…

Computational Physics · Physics 2007-05-23 Emeric Guéguen , Matthieu Crussière , Jean-François Hélard

We present a simple but informative online tool to visualize the multiwavelength properties of about 2,700 X-ray sources from Chandra Source Catalog version 2.0 with literature verified classifications. Here we describe the catalogs that we…

High Energy Astrophysical Phenomena · Physics 2021-05-04 Hui Yang , Jeremy Hare , Igor Volkov , Oleg Kargaltsev

Detecting diffuse radio emission, such as from halos, in galaxy clusters is crucial for understanding large-scale structure formation in the universe. Traditional methods, which rely on X-ray and Sunyaev-Zeldovich (SZ) cluster…

Astrophysics of Galaxies · Physics 2025-06-04 Ashutosh K. Mishra , Emma Tolley , Shreyam Parth Krishna , Jean-Paul Kneib

Wireless Mesh Network (WMN) deployments are poised to reduce the reliance on wired infrastructure especially with the advent of the multi-radio multi-channel (MRMC) WMN architecture. But the benefits that MRMC WMNs offer viz., augmented…

Networking and Internet Architecture · Computer Science 2016-01-29 Srikant Manas Kala , M. Pavan Kumar Reddy , Bheemarjuna Reddy Tamma

Compared to the current wireless communication systems, millimeter wave (mm-Wave) promises a wide range of spectrum. As viable alternatives to existing mm-Wave channel models, various map-based channel models with different modeling methods…

Information Theory · Computer Science 2019-07-11 Yeon-Geun Lim , Yae Jee Cho , MinSoo Sim , Younsun Kim , Chan-Byoung Chae , Reinaldo A. Valenzuela

This work presents a performance evaluation based on elaborated analytical expressions of error probability for broadband access network in the case of a combined technique of dense wavelength division multiplexing (DWDM) and one…

Networking and Internet Architecture · Computer Science 2012-06-11 Ahmed Dooguy Kora

Multi-wavelength imaging polarimetry at far-infrared wavelengths has proven to be an excellent tool for studying the physical properties of dust, molecular clouds, and magnetic fields in the interstellar medium. Although these wavelengths…

With the continuous improvement of attack methods, there are more and more distributed, complex, targeted attacks in which the attackers use combined attack methods to achieve the purpose. Advanced cyber attacks include multiple stages to…

Cryptography and Security · Computer Science 2021-10-26 Xiaoyu Wang , Xiaorui Gong , Lei Yu , Jian Liu