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Sensor-aided beamforming reduces the overheads associated with beam training in millimeter-wave (mmWave) multi-input-multi-output (MIMO) communication systems. Most prior work, though, neglects the challenges associated with establishing…

信号处理 · 电气工程与系统科学 2025-09-17 Kartik Patel , Robert W. Heath

Integrating the unmanned aerial vehicles (UAVs) into the cellular network is envisioned to be a promising technology to significantly enhance the communication performance of both UAVs and existing terrestrial users. In this paper, we first…

信息论 · 计算机科学 2018-05-21 Shuowen Zhang , Yong Zeng , Rui Zhang

In vehicular networks of the future, sensing and communication functionalities will be intertwined. In this paper, we investigate a radar-assisted predictive beamforming design for vehicle-to-infrastructure (V2I) communication by exploiting…

信号处理 · 电气工程与系统科学 2020-01-28 Fan Liu , Weijie Yuan , Christos Masouros , Jinhong Yuan

This article studies and derives beamforming design in a dual-functional radar-communication (DFRC) multiple-input-multiple-output system. We focus on a scenario, where the DFRC base station communicates with downlink communication users,…

信号处理 · 电气工程与系统科学 2023-01-06 Ahmad Bazzi , Marwa Chafii

Beamforming is an effective means to improve the quality of the received signals in multiuser multiple-input-single-output (MISO) systems. Traditionally, finding the optimal beamforming solution relies on iterative algorithms, which…

信息论 · 计算机科学 2020-01-15 Wenchao Xia , Gan Zheng , Yongxu Zhu , Jun Zhang , Jiangzhou Wang , Athina P. Petropulu

In this paper, we investigate a reconfigurable intelligent surface (RIS)-aided multiuser full-duplex secure communication system with hardware impairments at transceivers and RIS, where multiple eavesdroppers overhear the two-way…

信息论 · 计算机科学 2022-08-17 Zhangjie Peng , Zhibo Zhang , Lei Kong , Cunhua Pan , Li Li , Jiangzhou Wang

In unmanned aerial vehicle (UAV) networks, directional modulation (DM) is adopted to improve the secrecy rate (SR) performance. Alice, a ground base station, behaves as a control center, and Bob is a UAV of flying along a linear flight…

信息论 · 计算机科学 2018-08-15 Feng Shu , Zaoyu Lu , Jinyong Lin , Linlin Sun , Xiaobo Zhou , Tingting Liu , Shuo Zhang , Wenlong Cai , Jinhui Lu , Jin Wang

Wireless communications and sensing at terahertz (THz) band are increasingly investigated as promising short-range technologies because of the availability of high operational bandwidth at THz. In order to address the extremely high…

信号处理 · 电气工程与系统科学 2021-12-15 Ahmet M. Elbir , Kumar Vijay Mishra , Symeon Chatzinotas

This paper explores a novel research direction where a digital twin is leveraged to assist the beamforming design for an integrated sensing and communication (ISAC) system. In this setup, a base station designs joint communication and…

信号处理 · 电气工程与系统科学 2024-12-11 Shuaifeng Jiang , Ahmed Alkhateeb

Movable antenna (MA) has emerged as a promising technology to flexibly reconfigure wireless channels by adjusting antenna placement. In this paper, we study a dual-functional radar-communication (DFRC) system enhanced with movable antennas.…

信号处理 · 电气工程与系统科学 2025-10-14 Ran Yang , Zheng Dong , Peng Cheng , Lin Zhang , Wanting Lyu , Yue Xiu , Ning Wei , Chadi Assi

This paper investigates flexible beamforming design in an integrated sensing and communication (ISAC) network with movable antennas (MAs). A bistatic radar system is integrated into a multi-user multiple-input-single-output (MU-MISO)…

信号处理 · 电气工程与系统科学 2024-05-20 Wanting Lyu , Songjie Yang , Yue Xiu , Zhongpei Zhang , Chadi Assi , Chau Yuen

We introduce, design, and evaluate a set of universal receiver beamforming techniques. Our approach and system DEFORM, a Deep Learning (DL) based RX beamforming achieves significant gain for multi antenna RF receivers while being agnostic…

网络与互联网体系结构 · 计算机科学 2022-03-21 Hai N. Nguyen , Guevara Noubir

Intelligent reflecting surface (IRS) technology has recently attracted a significant interest in non-light-of-sight radar remote sensing. Prior works have largely focused on designing single IRS beamformers for this problem. For the first…

信息论 · 计算机科学 2023-03-14 Zahra Esmaeilbeig , Arian Eamaz , Kumar Vijay Mishra , Mojtaba Soltanalian

This paper investigates a joint hybrid digital-analog beamforming and trajectory design for a cell-free multi-static integrated sensing and communication (ISAC) system supported by multiple unmanned aerial vehicles (UAVs). Specifically,…

信号处理 · 电气工程与系统科学 2026-04-29 Chen Chaoran , Zhang Yuhao , Pan Zhiwen , Liu Nan

This letter considers the secure communication in a reconfigurable intelligent surface (RIS) aided full duplex (FD) system. An FD base station (BS) serves an uplink (UL) user and a downlink (DL) user simultaneously over the same…

信号处理 · 电气工程与系统科学 2022-09-27 Pengxin Guan , Yiru Wang , Yuping Zhao

Unmanned aerial vehicle (UAV) is expected to revolutionize the existing integrated sensing and communication (ISAC) system and promise a more flexible joint design. Nevertheless, the existing works on ISAC mainly focus on exploring the…

信息论 · 计算机科学 2024-12-30 Kaitao Meng , Qingqing Wu , Shaodan Ma , Wen Chen , Kunlun Wang , Jun Li

This paper investigates an extremely large-scale reconfigurable intelligent surface (XL-RIS) assisted near-field integrated sensing and communication (ISAC) system, where a multi-antenna base station (BS) simultaneously sends unicast data…

信息论 · 计算机科学 2026-03-03 Jiahao Chen , Feng Wang , Guojun Han , Xin Wang , Vincent K. N. Lau

Dual-function radar-communication (DFRC) systems, which can efficiently utilize the congested spectrum and costly hardware resources by employing one common waveform for both sensing and communication (S&C), have attracted increasing…

信息论 · 计算机科学 2022-08-08 Zichao Xiao , Rang Liu , Ming Li , Yang Liu , Qian Liu

This short tutorial presents several ideas for designing dual function radar communication (DFRC) systems aided by intelligent reflecting surfaces (IRS). These problems are highly nonlinear in the IRS parameter matrix, and further, the IRS…

信号处理 · 电气工程与系统科学 2023-05-12 Yi-Kai Li , Athina Petropulu

Unmanned aerial vehicles (UAVs) have gained a lot of popularity in diverse wireless communication fields. They can act as high-altitude flying relays to support communications between ground nodes due to their ability to provide…

信号处理 · 电气工程与系统科学 2018-08-01 Hakim Ghazzai , Mahdi Ben Ghorbel , Andreas Kassler , Md. Jahangir Hossain