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Sharing the spectrum with in-band full-duplex (FD) primary users (PU) is a challenging and interesting problem in the underlay cognitive radio (CR) systems. The self-interference introduced at the primary network may dramatically impede the…

信息论 · 计算机科学 2015-10-13 Mohamed Gaafar , Osama Amin , Walid Abediseid , Mohamed-Slim Alouini

Cognitive radio networks (CRNs) have emerged as an essential technology to enable dynamic and opportunistic spectrum access which aims to exploit underutilized licensed channels to solve the spectrum scarcity problem. Despite the great…

网络与互联网体系结构 · 计算机科学 2018-06-05 Mohamed Grissa , Bechir Hamdaoui , Attila A. Yavuz

This paper investigates an intelligent reflecting surface (IRS) enabled multiuser integrated sensing and communication (ISAC) system, which consists of one multi-antenna base station (BS), one IRS, multiple single-antenna communication…

信号处理 · 电气工程与系统科学 2022-11-01 Xianxin Song , Tony Xiao Han , Jie Xu

In this work, we investigate the benefits of secondary user (SU) network beamforming on improving primary user (PU) location privacy in spectrum sharing systems, where the beamformer in the SU network is designed to suppress the aggregate…

网络与互联网体系结构 · 计算机科学 2023-08-29 Long Jiao , Yao Ge , Kai Zeng , B. C. Hilburn

As network services progress and mobile and IoT environments expand, numerous security concerns have surfaced for spectrum access systems. The omnipresent risk of Denial-of-Service (DoS) attacks and raising concerns about user privacy…

密码学与安全 · 计算机科学 2024-09-04 Saleh Darzi , Attila Altay Yavuz

This paper studies a secrecy integrated sensing and communication (ISAC) system, in which a multi-antenna base station (BS) aims to send confidential messages to a single-antenna communication user (CU), and at the same time sense several…

信息论 · 计算机科学 2021-10-26 Zixiang Ren , Ling Qiu , Jie Xu

Future wireless communication systems will evolve toward multi-functional integrated systems to improve spectrum utilization and reduce equipment sizes. A joint radar and communication (JRC) system, which can support simultaneous…

系统与控制 · 电气工程与系统科学 2022-03-09 Hongyang Du , Jiawen Kang , Dusit Niyato , Jiayi Zhang , Dong In Kim

Millimeter-Wave (mmWave) radar enables camera-free gesture recognition for Internet of Things (IoT) interfaces, with robustness to lighting variations and partial occlusions. However, recent studies reveal that its data can inadvertently…

人机交互 · 计算机科学 2026-02-10 Ying Liu , Si Zuo , Chao Yang , Yuqing Song , Dariush Salami , Stephan Sigg

The synergy between integrated sensing and communication (ISAC) and reconfigurable intelligent surfaces (RISs) unlocks novel applications and advanced services for next-generation wireless networks, yet also introduces new security…

信号处理 · 电气工程与系统科学 2026-03-26 Zehra Yigit , Sefa Kayraklik , Ertugrul Basar , Ali Gorcin

Edge-cloud collaborative inference empowers resource-limited IoT devices to support deep learning applications without disclosing their raw data to the cloud server, thus preserving privacy. Nevertheless, prior research has shown that…

密码学与安全 · 计算机科学 2023-06-16 Lin Duan , Jingwei Sun , Yiran Chen , Maria Gorlatova

In cognitive radio networks, spectrum sensing is a crucial technique to discover spectrum opportunities for the Secondary Users (SUs). The quality of spectrum sensing is evaluated by both sensing accuracy and sensing efficiency. Here,…

新兴技术 · 计算机科学 2013-04-23 Yi Liu , Shengli Xie , Rong Yu , Yan Zhang , Chau Yuen

Providing Internet connectivity to a massive number of Internet-of-things (IoT) objects over the unlicensed spectrum requires: (i) identifying a very large number of narrowband channels in a wideband spectrum and (ii) aggressively reusing…

信号处理 · 电气工程与系统科学 2018-12-18 Ghaith Hattab , Danijela Cabric

This paper investigates an intelligent reflecting surface (IRS) enabled multiuser integrated sensing and communications (ISAC) system, which consists of one multi-antenna base station (BS), one IRS, multiple single-antenna communication…

信号处理 · 电气工程与系统科学 2023-07-03 Xianxin Song , Xiaoqi Qin , Jie Xu , Rui Zhang

Unmanned aerial vehicle (UAV)-based integrated sensing and communication (ISAC) systems are poised to revolutionize next-generation wireless networks by enabling simultaneous sensing and communication (S\&C). This survey comprehensively…

Intrusion Detection Systems (IDSs) are integral to safeguarding networks by detecting and responding to threats from malicious traffic or compromised devices. However, standalone IDS deployments often fall short when addressing the…

密码学与安全 · 计算机科学 2025-04-24 Tom Davies , Max Hashem Eiza , Nathan Shone , Rob Lyon

This research presents a novel framework integrating Flexible-Duplex (FlexD) and Integrated Sensing and Communications (ISAC) technologies to address the challenges of spectrum efficiency and resource optimization in next-generation…

信号处理 · 电气工程与系统科学 2025-04-08 Tharaka Perera , Saman Atapattu , Chathuranga Weeraddana , Jamie Evans

In cognitive radio networks (CRN), Out-of-Band (OoB) spectrum sensing provides seamless communication. Cognitive radio (CR) users, so called secondary users (SUs), should avoid interference with primary users (PUs), the owner of the…

网络与互联网体系结构 · 计算机科学 2014-07-15 Yalew Zelalem Jembre , Young-June Choi

Spectrum database-based cognitive radio networks (CRNs) have become the de facto approach for enabling unlicensed secondary users (SUs) to identify spectrum vacancies in channels owned by licensed primary users (PUs). Despite its merits,…

网络与互联网体系结构 · 计算机科学 2019-07-05 Mohamed Grissa , Attila A. Yavuz , Bechir Hamdaoui

The use of Immersive Technologies has shown its potential to revolutionize many sectors such as health, entertainment, education, and industrial sectors. Immersive technologies such as Virtual Reality (VR), Augmented reality (AR), and Mixed…

密码学与安全 · 计算机科学 2025-10-21 Keshav Sood , Sanjay Selvaraj , Youyang Qu

The vision for 6G extends beyond mere communication, incorporating sensing capabilities to facilitate a diverse array of novel applications and services. However, the advent of joint communication and sensing (JCAS) technology introduces…

网络与互联网体系结构 · 计算机科学 2024-06-18 Prajnamaya Dass , Sonika Ujjwal , Jiri Novotny , Yevhen Zolotavkin , Zakaria Laaroussi , Stefan Köpsell