English
Related papers

Related papers: Worst-Case Robust Multiuser Transmit Beamforming U…

200 papers

This paper addresses the robust beamforming design for rate splitting multiple access (RSMA)-aided visible light communication (VLC) networks with imperfect channel state information at the transmitter (CSIT). In particular, we first derive…

Information Theory · Computer Science 2024-11-28 Zhengqing Qiu , Yijie Mao , Shuai Ma , Bruno Clerckx

Multi-cell cooperation is an effective means to improve service quality to cellular users. Existing work primarily focuses on interference cancellation using all the degrees of freedom (DoF). This leads to low service quality for some users…

Information Theory · Computer Science 2023-10-31 Chen-Yen Lin , Kuang-Hao , Liu

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

Information Theory · Computer Science 2017-09-21 Yanjie Dong , Ahmed El Shafie , Md. Jahangir Hossain , Julian Cheng , Naofal Al-Dhahir , Victor C. M. Leung

A dual-robust design of beamforming is investigated in an integrated sensing and communication (ISAC) system.Existing research on robust ISAC waveform design, while proposing solutions to imperfect channel state information (CSI), generally…

Signal Processing · Electrical Eng. & Systems 2024-05-20 Wanting Lyu , Songjie Yang , Yue Xiu , Xinyi Chen , Zhongpei Zhang , Chadi Assi , Chau Yuan

A framework is introduced to integrate renewable energy sources (RES) and dynamic pricing capabilities of the smart grid into beamforming designs for coordinated multi-point (CoMP) downlink communication systems. To this end, novel models…

Optimization and Control · Mathematics 2015-06-09 Xin Wang , Yu Zhang , Georgios B. Giannakis , Shuyan Hu

In multiuser communication systems, user scheduling and beamforming (US-BF) design are two fundamental problems that are usually studied separately in the existing literature. In this work, we focus on the joint US-BF design with the goal…

Information Theory · Computer Science 2022-07-05 S. He , J. Yuan , Z. An , W. Huang , Y. Huang , Y. Zhang

In this study, a new subspace-constrained diagonal loading (SSC-DL) method is presented for robust beamforming against the issue of a mismatched direction of arrival (DoA), based on an extension to the well known diagonal loading (DL)…

Optimization and Control · Mathematics 2016-09-30 Yueh-Ting Tsai , Borching Su , Yu Tsao , Syu-Siang Wang

The robust adaptive beamforming (RAB) problem for general-rank signal model with an additional positive semi-definite constraint is considered. Using the principle of the worst-case performance optimization, such RAB problem leads to a…

Information Theory · Computer Science 2015-06-12 Arash Khabbazibasmenj , Sergiy A. Vorobyov

We propose a downlink beamforming scheme that combines spatial division and orthogonal space-time block coding (OSTBC) in multi-user massive MIMO systems. The beamformer is divided into two parts: a pre-beamforming matrix to separate the…

Information Theory · Computer Science 2018-09-12 Ke-Wen Huang , Hui-Ming Wang , Jia Hou , Shi Jin

Due to great efficiency improvement in resource and hardware space, integrated sensing and communication (ISAC) has gained much attention. In the paper, the physical layer security (PLS) of ISAC system under communication eavesdropper…

Information Theory · Computer Science 2026-04-22 Tian Zhang , Zhirong Su , Yueyi Dong

Consider a multiuser downlink beamforming optimization problem for the non-orthogonal multiple access (NOMA) transmission in a multiple-input single-output (MISO) system. The total transmission power minimization problem is formulated…

Signal Processing · Electrical Eng. & Systems 2018-12-03 Yongwei Huang , Longtao Zhou

Perfect channel state information (CSI) is challenging to obtain due to the limited signal processing capability at the intelligent reflection surface (IRS). In this paper, we study the worst-case robust beamforming design for an IRS-aided…

Signal Processing · Electrical Eng. & Systems 2020-06-02 Gui Zhou , Cunhua Pan , Hong Ren , Kezhi Wang , Marco Di Renzo , Arumugam Nallanathan

Robust transceiver design against unresolvable system uncertainties is of crucial importance for reliable communication. For instance, full-duplex communication suffers from such uncertainties when canceling the self-interference, since the…

Information Theory · Computer Science 2019-01-28 Ali Kariminezhad , Aydin Sezgin

Recently, multi-user multiple input multiple output (MU-MIMO) systems with low-resolution digital-to-analog converters (DACs) has received considerable attention, owing to the capability of dramatically reducing the hardware cost. Besides,…

Signal Processing · Electrical Eng. & Systems 2019-05-16 Lei Chu , Fei Wen , Robert Caiming Qiu

Maximum a posteriori (MAP) inference over discrete Markov random fields is a fundamental task spanning a wide spectrum of real-world applications, which is known to be NP-hard for general graphs. In this paper, we propose a novel…

Machine Learning · Computer Science 2015-01-06 Qixing Huang , Yuxin Chen , Leonidas Guibas

We focus on a dual-functional multi-input-multi-output (MIMO) radar-communication (RadCom) system, where a single transmitter communicates with downlink cellular users and detects radar targets simultaneously. Several design criteria are…

Information Theory · Computer Science 2024-10-30 Fan Liu , Longfei Zhou , Christos Masouros , Ang Li , Wu Luo , Athina Petropulu

Wideband communication receivers often deal with the problems of detecting weak signals from distant sources received together with strong nearby interferers. When the techniques of random modulation are used in communication system…

Information Theory · Computer Science 2018-11-15 Dian Mo , Marco F. Duarte

Consider the single-group multicast beamforming problem, where multiple users receive the same data stream simultaneously from a single transmitter. The problem is NP-hard and all existing algorithms for the problem either find suboptimal…

Information Theory · Computer Science 2017-06-07 Cheng Lu , Ya-Feng Liu

In this paper, we propose a state-of-the-art downlink communication transceiver design for transmissive reconfigurable metasurface (RMS)-enabled simultaneous wireless information and power transfer (SWIPT) networks. Specifically, a feed…

Signal Processing · Electrical Eng. & Systems 2022-12-13 Zhendong Li , Wen Chen , Ziheng Zhang , Qingqing Wu , Huanqing Cao , Jun Li

This letter investigates a downlink multiple input single output (MISO) system based on transmissive reconfigurable metasurface (RMS) transmitter. Specifically, a transmitter design based on a transmissive RMS equipped with a feed antenna…

Information Theory · Computer Science 2021-09-22 Zhendong Li , Wen Chen , Huanqing Cao