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相关论文: OptM3Sec: Optimizing Multicast IRS-Aided Multiante…

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This paper investigates intelligent reflecting surface (IRS)-assisted multiple-input single-output (MISO) visible light communication (VLC) networks utilizing the rate-splitting multiple access (RSMA) scheme. {In these networks,} an…

信息论 · 计算机科学 2024-11-15 Yangbo Guo , Jianhui Fan , Ruichen Zhang , Baofang Chang , Derrick Wing Kwan Ng , Dusit Niyato , Dong In Kim

{Robust transceiver design against unresolvable system uncertainties is of crucial importance for reliable communication. We consider a MIMO multi-hop system, where the source, the relay, and the destination are equipped with multiple…

信息论 · 计算机科学 2022-08-05 Hosesin Esmaeili , Ali Kariminezhad , Aydin Sezgin

Dual function radar communications (DFRC) systems are attractive technologies for autonomous vehicles, which utilize electromagnetic waves to constantly sense the environment while simultaneously communicating with neighbouring devices. An…

信号处理 · 电气工程与系统科学 2021-12-15 Dingyou Ma , Nir Shlezinger , Tianyao Huang , Yimin Liu , Yonina C. Eldar

In this letter, we consider the problem of detecting a high dimensional signal based on compressed measurements with physical layer secrecy guarantees. We assume that the network operates in the presence of an eavesdropper who intends to…

信息论 · 计算机科学 2015-06-02 Bhavya Kailkhura , Sijia Liu , Thakshila Wimalajeewa , Pramod K. Varshney

This paper considers secure communication in buffer-aided cooperative wireless networks in the presence of one eavesdropper, which can intercept the data transmission from both the source and relay nodes. A new max-ratio relaying protocol…

信息论 · 计算机科学 2020-05-18 Jiayu Zhou , Deli Qiao , Haifeng Qian

In recent years there has been growing interest in study of multi-antenna transmit designs for providing secure communication over the physical layer. This paper considers the scenario of an intended multi-input single-output channel…

信息论 · 计算机科学 2015-05-20 Qiang Li , Wing-Kin Ma

In this paper, we consider joint antenna allocation and transmit beamforming design in secure integrated sensing and communication (ISAC) systems. A dual-function base station (DFBS) aims to securely deliver messages to a single-antenna…

网络与互联网体系结构 · 计算机科学 2024-10-03 Yunxiang Shi , Lixin Li , Wensheng Lin , Wei Liang , Zhu Han

The spectrum efficiency (SE) and security of the secondary users (SUs) in the cognitive radio networks (CRNs) have become two main issues due to the limitation interference to the primary users (PUs) and the shared spectrum with the PUs.…

信息论 · 计算机科学 2021-09-24 Xuewen Wu , Jingxiao Ma , Zhe Xing , Chenwei Gu , Xiaoping Xue , Xin Zeng

In this paper, an intelligent reflecting surface (IRS) assisted spectrum sharing underlay cognitive radio (CR) wiretap channel (WTC) is studied, and we aim at enhancing the secrecy rate of secondary user in this channel subject to total…

信息论 · 计算机科学 2021-04-13 Limeng Dong , Hui-Ming Wang , Haitao Xiao

Recently, integrating the communication and sensing functions into a common network has attracted a great amount of attention. This paper considers the advanced signal processing techniques for enabling the radar to sense the environment…

信号处理 · 电气工程与系统科学 2020-11-13 Liang Liu , Shuowen Zhang

Energy efficiency, possibly coupled with cognition-based and spectrum-sharing architectures, is a key enabling technology for green communications in 5G-and-beyond standards. In this context, the present paper considers a multiple-input…

信号处理 · 电气工程与系统科学 2022-05-12 Emanuele Grossi , Marco Lops , Luca Venturino

In this paper, we develop a predictive beamforming scheme based on the dual-functional radar-communication (DFRC) technique, where the road-side units estimates the motion parameters of vehicles exploiting the echoes of the DFRC signals.…

信号处理 · 电气工程与系统科学 2020-04-28 Weijie Yuan , Fan Liu , Christos Masouros , Jinhong Yuan , Derrick Wing Kwan Ng

In this paper, we investigate methods for reducing the likelihood that a message transmitted between two multiantenna nodes is intercepted by an undetected eavesdropper. In particular, we focus on the judicious transmission of artificial…

信息论 · 计算机科学 2015-05-19 Amitav Mukherjee , A. Lee Swindlehurst

Integrated sensing and communication (ISAC) has recently been considered as a promising approach to save spectrum resources and reduce hardware cost. Meanwhile, as information security becomes increasingly more critical issue, government…

信号处理 · 电气工程与系统科学 2023-02-15 Mianyi Zhang , Yinghui He , Yunlong Cai , Guanding Yu , Naofal Al-Dhahir

Intelligent reflecting surface (IRS) has recently been emerging as an enabler for smart radio environment in which passive antenna arrays can be used to actively tailor/control the radio propagation. With multiple IRSs being launched to…

信号处理 · 电气工程与系统科学 2021-12-09 Tu V. Nguyen , Diep N. Nguyen

Intelligent reflecting surface (IRS) is of low-cost and energy-efficiency and will be a promising technology for the future wireless communications like sixth generation. To address the problem of conventional directional modulation (DM)…

信息论 · 计算机科学 2020-08-13 Feng Shu , Jiayu Li , Mengxing Huang , Weiping Shi , Yin Teng , Jun Li , Yongpeng Wu , Jiangzhou Wang

This paper considers downlink multicast transmit beamforming for secure layered transmission systems with wireless simultaneous information and power transfer. We study the power allocation algorithm design for minimizing the total transmit…

信息论 · 计算机科学 2016-11-17 Derrick Wing Kwan Ng , Robert Schober , Hussein Alnuweiri

Computation off-loading in mobile edge computing (MEC) systems constitutes an efficient paradigm of supporting resource-intensive applications on mobile devices. However, the benefit of MEC cannot be fully exploited, when the communications…

信号处理 · 电气工程与系统科学 2020-05-14 Tong Bai , Cunhua Pan , Yansha Deng , Maged Elkashlan , Arumugam Nallanathan , Lajos Hanzo

In this paper, we propose a multiple input multiple output (MIMO) Full-Duplex Integrated Sensing and Communication System consisting of multiple targets, a single downlink, and a single uplink user. We employed signal-to-interference plus…

信号处理 · 电气工程与系统科学 2023-12-19 Muhammad Talha , Besma Smida , Md Atiqul Islam , George C. Alexandropoulos

In this paper, we investigate the physical layer security in downlink of Power Domain Non Orthogonal Multiple Access based heterogeneous cellular network in presence of multiple eavesdroppers. Our aim is to maximize the sum secrecy rate of…

密码学与安全 · 计算机科学 2018-06-07 Moslem Forouzesh , Paeiz Azmi , Nader Mokari , Kai Kit Wong