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相关论文: On the Design of Secure Full-Duplex Multiuser Syst…

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This paper proposes a jointly cooperative relay and jamming protocol based on full-duplex (FD) capable relay to increase the source-destination secrecy rate in the presence of different types of eavesdroppers. In this so called…

信息论 · 计算机科学 2014-09-10 Saeedeh Parsaeefard , Tho Le-Ngoc

We investigate the secrecy performance of a multiuser diversity scheme for an interference-limited wireless network with a base-station (BS), $N$ legitimate users and an eavesdropper, in the presence of a single dominant interferer.…

In this paper, we explore the physical-layer security of a multi-user wireless system that consists of multiple users intending to transmit to a base station (BS), while multiple eavesdroppers attempt to tap the user transmissions. We…

信息论 · 计算机科学 2016-11-17 Yulong Zou , Jia Zhu , Gongpu Wang , Hua Shao

This work considers a dual-functional radar and communication (DFRC) system with an active reconfigurable intelligent surface (RIS) and a potential eavesdropper. Our purpose is to maximize the secrecy rate (SR) of the system by jointly…

信号处理 · 电气工程与系统科学 2024-02-06 Yang Zhang , Hong Ren , Cunhua Pan , Boshi Wang , Zhiyuan Yu , Ruisong Weng , Tuo Wu , Yongchao He

This paper investigates a distant proactive eavesdropping system in cooperative cognitive radio (CR) networks. Specifically, an amplify-and-forward (AF) full-duplex (FD) secondary transmitter assists to relay the received signal from…

信息论 · 计算机科学 2022-01-11 Yao Ge , P. C. Ching

In this paper, we study the resource allocation algorithm design for distributed antenna multiuser networks with full-duplex (FD) radio base stations (BSs) which enable simultaneous uplink and downlink communications. The considered…

信息论 · 计算机科学 2015-02-10 Derrick Wing Kwan Ng , Yongpeng Wu , Robert Schober

This paper investigates a novel transmissive reconfigurable intelligent surface (RIS) transceiver architectureenabled multigroup multicast downlink communication system. Under this setup, an optimization problem is formulated to maximize…

信号处理 · 电气工程与系统科学 2025-07-28 Yuan Guo , Wen Chen , Qingqing Wu , Yanze Zhu , Yang Liu , Zhendong Li , Ying Wang

A wireless network serving multiple users in the millimeter-wave or the sub-terahertz band by a base station is considered. High-throughput multi-user hybrid-transmit beamforming is conceived by maximizing the minimum rate of the users. For…

信息论 · 计算机科学 2023-10-27 W. Zhu , H. D. Tuan , E. Dutkiewicz , H. V. Poor , L. Hanzo

This study considers a novel full-duplex (FD) massive multiple-input multiple-output (mMIMO) system using hybrid beamforming (HBF) architecture, which allows for simultaneous uplink (UL) and downlink (DL) transmission over the same…

信息论 · 计算机科学 2023-09-08 Mobeen Mahmood , Asil Koc , Duc Tuong Nguyen , Robert Morawski , Tho Le-Ngoc

This paper considers the problem of downlink localization and user equipments (UEs) tracking with an adaptive procedure for a range of distances. We provide the base station (BS) with two signaling schemes and the UEs with two localization…

信息论 · 计算机科学 2024-02-12 Georgios Mylonopoulos , Behrooz Makki , Stefano Buzzi , Gábor Fodor

Security is a critical issue in full duplex (FD) communication systems due to the broadcast nature of wireless channels. In this paper, joint design of information and artificial noise beamforming vectors is proposed for the FD simultaneous…

网络与互联网体系结构 · 计算机科学 2018-01-09 Yanjie Dong , Ahmed El Shafie , Md. Jahangir Hossain , Julian Cheng , Naofal Al-Dhahir , Victor C. M. Leung

Incorporating rate splitting multiple access (RSMA) into integrated sensing and communication (ISAC) presents a significant security challenge, particularly in scenarios where the location of a potential eavesdropper (Eve) is unidentified.…

信号处理 · 电气工程与系统科学 2024-07-23 A. Abdelaziz Salem , Saeed Abdallah , Mohamed Saad , Khawla Alnajjar , Mahmoud A. Albreem

A downlink single-input single-output non-orthogonal multiple access setting is considered, in which a base station (BS) is communicating with two legitimate users in two possible scenarios of unsecure environments: existence of an external…

信息论 · 计算机科学 2019-05-13 Ahmed Arafa , Wonjae Shin , Mojtaba Vaezi , H. Vincent Poor

In this paper, we study the resource allocation and trajectory design for secure unmanned aerial vehicle (UAV)-enabled communication systems, where multiple multi-purpose UAV base stations are dispatched to provide secure communications to…

信息论 · 计算机科学 2020-03-17 Ruide Li , Zhiqiang Wei , Lei Yang , Derrick Wing Kwan Ng , Jinhong Yuan , Jianping An

We investigate the fading cognitive multiple access wiretap channel (CMAC-WT), in which two secondary-user transmitters (STs) send secure messages to a secondary-user receiver (SR) in the presence of an eavesdropper (ED) and subject to…

信号处理 · 电气工程与系统科学 2020-03-31 Juening Jin , Chengshan Xiao , Meixia Tao , Wen Chen

In this paper, we study resource allocation design for secure communication in intelligent reflecting surface (IRS)-assisted multiuser multiple-input single-output (MISO) communication systems. To enhance physical layer security, artificial…

信息论 · 计算机科学 2019-10-29 Dongfang Xu , Xianghao Yu , Yan Sun , Derrick Wing Kwan Ng , Robert Schober

Decentralized min-max optimization allows multi-agent systems to collaboratively solve global min-max optimization problems by facilitating the exchange of model updates among neighboring agents, eliminating the need for a central server.…

机器学习 · 计算机科学 2025-08-12 Yueyang Quan , Chang Wang , Shengjie Zhai , Minghong Fang , Zhuqing Liu

Providing minimum quality-of-service (QoS) in crowded wireless communications systems, with high user density, is challenging due to the network structure with limited transmit power budget and resource blocks. Smart resource allocation…

信息论 · 计算机科学 2022-05-17 Joao Henrique Inacio de Souza , Jose Carlos Marinello , Abolfazl Amiri , Taufik Abrao

Massive MIMO is considered as one of the key enablers of the next generation 5G networks.With a high number of antennas at the BS, both spectral and energy efficiencies can be improved. Unfortunately, the downlink channel estimation…

信息论 · 计算机科学 2017-12-11 Ali Maatouk , Salah Eddine Hajri , Mohamad Assaad , Hikmet Sari , Serdar Sezginer

Full-duplex (FD) communication is regarded as a key technology in future 5G and Internet of Things (IoT) systems. In addition to high data rate constraints, the success of these systems depends on the ability to allow for confidentiality…

信息论 · 计算机科学 2016-01-21 Hendrik Vogt , Zohaib Hassan Awan , Aydin Sezgin