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Integrated sensing and communications (ISAC) is expected to be a key technology for 6G, and channel state information (CSI) based sensing is a key component of ISAC. However, current research on ISAC focuses mainly on improving sensing…

信号处理 · 电气工程与系统科学 2024-08-22 Jiacheng Wang , Hongyang Du , Yinqiu Liu , Geng Sun , Dusit Niyato , Shiwen Mao , Dong In Kim , Xuemin Shen

Due to the broadcast nature of wireless communications, physical layer security has always been a fundamental but challenging problem. Recent advance of Intelligent Reflecting Surface (IRS) introduces a new dimension for secure…

信号处理 · 电气工程与系统科学 2020-10-29 Jian Li , Lan Zhang , Kaiping Xue , Yuguang Fang

Exascale computing promises quantities of data too large to efficiently store and transfer across networks in order to be able to analyze and visualize the results. We investigate Compressive Sensing (CS) as a way to reduce the size of the…

信息论 · 计算机科学 2015-08-27 Maher Salloum , Nathan Fabian , David M. Hensinger , Jeremy A. Templeton

Cooperative spectrum sensing, despite its effectiveness in enabling dynamic spectrum access, suffers from location privacy threats, merely because secondary users (SUs)' sensing reports that need to be shared with a fusion center to make…

网络与互联网体系结构 · 计算机科学 2018-07-18 Mohamed Grissa , Attila Yavuz , Bechir Hamdaoui

According to actual needs, generalized signcryption scheme can flexibly work as an encryption scheme, a signature scheme or a signcryption scheme. In this paper, firstly, we give a security model for identity based generalized signcryption…

密码学与安全 · 计算机科学 2010-04-09 Gang Yu , Xiaoxiao Ma , Yong Shen , Wenbao Han

We consider the scenario in which multiple sensors send spatially correlated data to a fusion center (FC) via independent Rayleigh-fading channels with additive noise. Assuming that the sensor data is sparse in some basis, we show that the…

信息论 · 计算机科学 2015-06-12 Gang Yang , Vincent Y. F. Tan , Chin Keong Ho , See Ho Ting , Yong Liang Guan

It is challenging to assess the vulnerability of a cyber-physical power system to data attacks from an integral perspective. In order to support vulnerability assessment except analytic analysis, suitable platform for security tests needs…

密码学与安全 · 计算机科学 2017-08-29 Kaikai Pan , André Teixeira , Claudio López , Peter Palensky

Ambient Internet-of-Things (AIoT) form a new class of emerging technology that promises to deliver pervasive wireless connectivity to previously disconnected devices and products, assisting dependent industries (for example, supply chain,…

信息论 · 计算机科学 2025-01-16 Andreas Kunz , Sheeba Backia Mary Baskaran , George C. Alexandropoulos

In this paper, we consider the problem of sparse signal detection based on partial support set estimation with compressive measurements in a distributed network. Multiple nodes in the network are assumed to observe sparse signals which…

应用统计 · 统计学 2016-08-10 Thakshila Wimalajeewa , Pramod K. Varshney

Efficient resource allocation (RA) strategies within massive and dense Internet of Things (IoT) networks is one of the major challenges in the deployment of IoT-network based smart ecosystems involving heterogeneous power-constrained IoT…

信号处理 · 电气工程与系统科学 2023-05-30 Nirmal D. Wickramasinghe , Indrakshi Dey

The growing adoption of IoT devices in our daily life is engendering a data deluge, mostly private information that needs careful maintenance and secure storage system to ensure data integrity and protection. Also, the prodigious IoT…

密码学与安全 · 计算机科学 2020-08-13 Md Shihabul Islam , Mustafa Safa Ozdayi , Latifur Khan , Murat Kantarcioglu

We study compressed sensing (CS) signal reconstruction problems where an input signal is measured via matrix multiplication under additive white Gaussian noise. Our signals are assumed to be stationary and ergodic, but the input statistics…

信息论 · 计算机科学 2014-10-22 Yanting Ma , Junan Zhu , Dror Baron

Compressive sensing (CS) is a new signal acquisition paradigm which shows that far fewer samples are required to reconstruct sparse signals than previously thought. Although most of the literature focuses on signals sparse in a fixed…

Wireless sensor networks (WSNs) have recently attracted a lot of interest in the research community due their wide range of applications. Unfortunately, these networks are vulnerable to numerous security threats that can adversely affect…

密码学与安全 · 计算机科学 2012-09-09 Jaydip Sen , Sripad Krishna

Wireless sensor networks (WSNs) have recently attracted a lot of interest in the research community due their wide range of applications. Unfortunately, these networks are vulnerable to numerous security threats that can adversely affect…

密码学与安全 · 计算机科学 2021-09-07 Jaydip Sen

We consider the question of estimating a real low-complexity signal (such as a sparse vector or a low-rank matrix) from the phase of complex random measurements. We show that in this "phase-only compressive sensing" (PO-CS) scenario, we can…

信息论 · 计算机科学 2020-01-17 Laurent Jacques , Thomas Feuillen

We propose a new technique for adaptive identification of sparse systems based on the compressed sensing (CS) theory. We manipulate the transmitted pilot (input signal) and the received signal such that the weights of adaptive filter…

信息论 · 计算机科学 2012-04-05 Seyed Hossein Hosseini , Mahrokh G. Shayesteh

Data collection and processing in advanced health monitoring systems are experiencing revolutionary change. In-Sensor Computing (ISC) systems emerge as a promising alternative to save energy on massive data transmission, analog-to-digital…

密码学与安全 · 计算机科学 2025-02-10 Mashrafi Kajol , Qiaoyan Yu

Secure communication mechanisms in Wireless Sensor Networks (WSNs) have been widely deployed to ensure confidentiality, authenticity and integrity of the nodes and data. Recently many WSNs applications rely on trusted communication to…

网络与互联网体系结构 · 计算机科学 2012-07-27 Yusnani Mohd Yussoff , Habibah Hashim , Mohd Dani Baba

This paper studies a downlink secure integrated sensing and communication (ISAC) system, in which a multi-antenna base station (BS) transmits confidential messages to a single-antenna communication user (CU) while performing sensing on…

信息论 · 计算机科学 2022-07-29 Zixiang Ren , Ling Qiu , Jie Xu , Derrick Wing Kwan Ng