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This paper investigates covert multi-hop communication in wireless networks where an adversary employs a cyclostationary (cycle) detector to reveal hidden transmissions. The covert route employs direct sequence spread spectrum (DSSS)…

信号处理 · 电气工程与系统科学 2026-05-26 Swapnil Saha , Rahul Aggarwal , Fikadu Dagefu , Justin Kong , Jihun Choi , Brian Kim , Predrag Spasojevic

Many optical networks face heterogeneous communication requests requiring topologies to be efficient and fault tolerant. For efficiency and distributed control, it is common in distributed systems and algorithms to group nodes into…

网络与互联网体系结构 · 计算机科学 2016-08-20 Cory J. Kleinheksel , Arun K. Somani

Deterministic IP (DIP) networking is a promising technique that can provide delay-bounded transmission in large-scale networks. Nevertheless, DIP faces several challenges in the mixed traffic scenarios, including (i) the capability of…

网络与互联网体系结构 · 计算机科学 2022-01-26 Binwei Wu , Shuo Wang , Jiasen Wang , Weiqian Tan , Yunjie Liu

Flexible energy resources are increasingly becoming common in smart grids. These resources are typically managed and controlled by aggregators that coordinate many resources to provide flexibility services. However, these aggregators and…

密码学与安全 · 计算机科学 2025-11-25 Daniel Myrén , Zeeshan Afzal , Mikael Asplund

Dynamic spectrum access problem is an important problem that allows a wireless sub-network to use channels temporarily unoccupied by the parent network for minimizing the spectrum waste. Previous work has shown that the sequential channel…

最优化与控制 · 数学 2026-05-15 Keqin Liu , Qizhen Jia , Yiying Zhang , Zhi Ding

The distributed nature of smart grids, combined with sophisticated sensors, control algorithms, and data collection facilities at Supervisory Control and Data Acquisition (SCADA) centers, makes them vulnerable to strategically crafted…

密码学与安全 · 计算机科学 2024-09-25 Suman Maiti , Soumyajit Dey

In this letter, we investigate a dynamic reconfigurable distributed antenna and reflection surface (RDARS)-driven secure communication system, where the working mode of the RDARS can be flexibly configured. We aim to maximize the secrecy…

信息论 · 计算机科学 2025-01-22 Ziqian Pei , Jintao Wang , Pingping Zhang , Zheng Shi , Guanghua Yang , Shaodan Ma

We address the problem of securing distributed storage systems against eavesdropping and adversarial attacks. An important aspect of these systems is node failures over time, necessitating, thus, a repair mechanism in order to maintain a…

信息论 · 计算机科学 2011-04-28 Sameer Pawar , Salim El Rouayheb , Kannan Ramchandran

Data randomization or scrambling has been effectively used in various applications to improve the data security. In this paper, we use the idea of data randomization to proactively randomize the spectrum (re)allocation to improve…

网络与互联网体系结构 · 计算机科学 2016-04-19 Sandeep Kumar Singh , Wolfgang Bziuk , Admela Jukan

Renewable energy has attracted significant attention over the last decade, conceivably due to its environmental benefits and the recent drops in the development and deployment cost of the technology. The increase in renewable generation,…

系统与控制 · 计算机科学 2016-10-25 Alireza Majzoobi , Amin Khodaei , Shay Bahramirad , Math H J Bollen

Conventional optical networks are based on SONET rings, but since rings are known to use bandwidth inefficiently, there has been much research into shared mesh protection, which promises significant bandwidth savings. Unfortunately, most…

网络与互联网体系结构 · 计算机科学 2016-11-18 Timothy Y. Chow , Fabian Chudak , Anthony M. Ffrench

The increased flexibility requirement needs a flexibility market at the distribution grid level operated by the distribution system operators (DSOs) to resolve challenges to ensure secure operation and, to integrate new renewable…

系统与控制 · 电气工程与系统科学 2021-04-20 Ankur Majumdar , Sotirios Dimitrakopoulos , Omid Alizadeh-Mousavi

The continuous electrification of the mobility and heating sectors adds much-needed flexibility to the power system. However, flexibility utilization also introduces new challenges to distribution system operators (DSOs), who need…

系统与控制 · 电气工程与系统科学 2022-03-07 Nils Müller , Carsten Heinrich , Kai Heussen , Henrik W. Bindner

A distributed storage system (DSS) needs to be efficiently accessible and repairable. Recently, considerable effort has been made towards the latter, while the former is usually not considered, since a trivial solution exists in the form of…

信息论 · 计算机科学 2020-01-16 Lukas Holzbaur , Stanislav Kruglik , Alexey Frolov , Antonia Wachter-Zeh

Dynamic spectrum access (DSA) is regarded as an effective and efficient technology to share radio spectrum among different networks. As a secondary user (SU), a DSA device will face two critical problems: avoiding causing harmful…

机器学习 · 计算机科学 2018-10-30 Hao-Hsuan Chang , Hao Song , Yang Yi , Jianzhong Zhang , Haibo He , Lingjia Liu

In this paper, we devise a novel radio resource block (RB) structure named dynamic resource block structure (D-RBS) which can handle low latency traffics and large fluctuations in data rates by exploiting smart time and frequency duplexing.…

信号处理 · 电气工程与系统科学 2020-02-04 Mohammad R. Abedi , Mohammad R. Javan , Nader Mokari , Eduard . A. Jorswieck

Distribution networks are increasingly exposed to threats such as extreme weather, aging infrastructure, and cyber risks--resulting in more frequent contingencies and outages, a trend likely to persist. Microgrids, particularly dynamic…

Distributed resource allocation (DRA) is fundamental to modern networked systems, spanning applications from economic dispatch in smart grids to CPU scheduling in data centers. Conventional DRA approaches require reliable communication, yet…

系统与控制 · 电气工程与系统科学 2025-10-22 Mohammadreza Doostmohammadian , Sergio Pequito

The increasing penetration of distributed energy resources and power-electronics interfaces in DC microgrids, coupled with rising cyber threats, necessitates primary controllers that are provably safe, cyber-resilient, and practical. The…

系统与控制 · 电气工程与系统科学 2025-09-05 Muratkhan Abdirash , Xiaofan Cui

Recently, it has been demonstrated that many large complex networks display a scale-free feature, that is, their connectivity distributions have the power-law form. In this paper, we investigate the synchronization phenomena in a scale-free…

凝聚态物理 · 物理学 2007-05-23 Xiao Fan Wang , Guanrong Chen