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相关论文: Robust Beamforming for Physical Layer Security in …

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Fully digital massive MIMO systems with large numbers (1000+) of antennas offer dramatically increased capacity gains from spatial multiplexing and beamforming. Designing digital receivers that can scale to these array dimensions presents…

信号处理 · 电气工程与系统科学 2026-04-23 Ali Rasteh , Amirreza Kiani , Marco Mezzavilla , Sundeep Rangan

For massive MIMO public channel with any sector size in either microwave or millimeter wave (mmwave) band, this paper studies the beamforming design to minimize the transmit power while guaranteeing the quality of service (QoS) for randomly…

信息论 · 计算机科学 2017-09-26 Cheng Zhang , Yongming Huang , Yindi Jing , Luxi Yang

There is a demand for the same data content from several user equipments (UEs) in many wireless communication applications. Physical-layer multicasting combines the beamforming capability of massive MIMO (multiple-input multiple-output) and…

信号处理 · 电气工程与系统科学 2025-04-09 Mahmoud Zaher , Emil Björnson

We investigate hybrid beamforming design for covert millimeter wave multiple-input multiple-output systems with finite-resolution digital-to-analog converters (DACs), which impose practical hardware constraints not yet considered by the…

信息论 · 计算机科学 2024-11-28 Wei Ci , Chenhao Qi , Xiaohu You

This paper proposes a robust beamforming scheme to enhance the physical layer security (PLS) of multicast transmission in a cognitive satellite and aerial network (CSAN) operating in the millimeter wave frequency band. Based on imperfect…

信号处理 · 电气工程与系统科学 2021-05-14 Bai Zhao , Min Lin , Ming Cheng , Wei-Ping Zhu , Naofal Al-Dhahir

In this paper, large-scale intelligent reflecting sur-face (IRS)-assisted multiple-input single-output (MISO) system is considered in the presence of channel uncertainty. To maximize the average sum rate of the system by jointly optimizing…

信号处理 · 电气工程与系统科学 2021-03-22 Yasaman Omid , Seyyed MohammadMahdi Shahabi , Cunhua Pan , Yansha Deng , Arumugam Nallanathan

This is the first treatise on multi-user (MU) beamforming designed for achieving long-term rate-fairness in fulldimensional MU massive multi-input multi-output (m-MIMO) systems. Explicitly, based on the channel covariances, which can be…

信息论 · 计算机科学 2023-12-12 W. Zhu , H. D. Tuan , E. Dutkiewicz , Y. Fang , H. V. Poor , L. Hanzo

In many wireless communication applications, it is desirable to transmit the same data to multiple user equipments (UEs). Physical layer multicasting presents an efficient transmission topology to exploit the beamforming capabilities at the…

信号处理 · 电气工程与系统科学 2025-09-30 Mahmoud Zaher , Emil Björnson , Marina Petrova

In practice, residual transceiver hardware impairments inevitably lead to distortion noise which causes the performance loss. In this paper, we study the robust transmission design for a reconfigurable intelligent surface (RIS)-aided secure…

信息论 · 计算机科学 2021-03-09 Gui Zhou , Cunhua Pan , Hong Ren , Kezhi Wang , Zhangjie Peng

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

This paper considers a basic MIMO information-energy (I-E) broadcast system, where a multi-antenna transmitter transmits information and energy simultaneously to a multi-antenna information receiver and a dual-functional multi-antenna…

信息论 · 计算机科学 2014-03-28 Qingjiang Shi , Weiqiang Xu , Jinsong Wu , Enbin Song , Yaming Wang

Non-orthogonal multiple-access (NOMA) and simultaneous wireless information and power transfer (SWIPT) are promising techniques to improve spectral efficiency and energy efficiency. However, the security of NOMA SWIPT systems has not…

信息论 · 计算机科学 2018-06-12 Fuhui Zhou , Zheng Chu , Yongpeng Wu , Naofal Al-Dhahir , Pei Xiao

Hybrid digital and analog beamforming is a highly effective technique for implementing beamforming methods in millimeter wave (mmWave) systems. It provides a viable solution to replace the complex fully digital beamforming techniques.…

信息论 · 计算机科学 2025-09-30 Rohollah Vahdani , S. Mohammad Razavizadeh

This letter investigates the robust beamforming design for a near-field secure integrated sensing and communication (ISAC) system with multiple communication users (CUs) and targets, as well as multiple eavesdroppers. Taking into account…

信息论 · 计算机科学 2025-07-18 Ziqiang CHen , Feng Wang , Guojun Han , Xin Wang , Vincent K. N. Lau

This paper studies the beamforming design problem of a multi-user downlink network, assuming imperfect channel state information known to the base station. In this scenario, the base station is equipped with multiple antennas, and each user…

信号处理 · 电气工程与系统科学 2020-03-25 Pu Zhao , Meng Zhang , Hui Yu , Hanwen Luo , Wen Chen

The optimal beamforming design for multi-user continuous aperture array (CAPA) systems is proposed. In contrast to conventional spatially discrete array (SPDA), the beamformer for CAPA is a continuous function rather than a discrete vector…

信息论 · 计算机科学 2025-06-13 Zhaolin Wang , Chongjun Ouyang , Yuanwei Liu

The existence of multipath brings extra "looks" of targets. This paper considers the extended target detection problem with a narrow band Multiple-Input Multiple-Output(MIMO) radar in the presence of multipath from the view of…

信号处理 · 电气工程与系统科学 2020-09-29 Zhou Xu , Chongyi Fan , Jian Wang , Xiaotao Huang

An efficient beamforming design is proposed for continuous aperture array (CAPA)-based point-to-point multiple-input multiple-output (MIMO) systems. In contrast to conventional spatially discrete array (SPDA)-MIMO systems, whose optimal…

信息论 · 计算机科学 2025-07-21 Zhaolin Wang , Chongjun Ouyang , Yuanwei Liu

This paper studies a downlink multiuser transmit beamforming design under spherical channel uncertainties, using a worst-case robust formulation. This robust design problem is nonconvex. Recently, a convex approximation formulation based on…

信息论 · 计算机科学 2016-11-17 Tsung-Hui Chang , Wing-Kin Ma , Chong-Yung Chi

In this paper, we propose a beamforming design for dual-functional radar-communication (DFRC) systems at the millimeter wave (mmWave) band, where hybrid beamforming and sub-arrayed MIMO radar techniques are jointly exploited. We assume that…

信号处理 · 电气工程与系统科学 2018-10-25 Fan Liu , Christos Masouros