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相关论文: RIS-Assisted Joint Uplink Communication and Imagin…

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In this paper, we investigate a double-active-reconfigurable intelligent surface (RIS)-aided downlink wireless communication system, where a multi-antenna base station (BS) serves multiple single-antenna users with both double reflection…

信号处理 · 电气工程与系统科学 2024-08-26 Boshi Wang , Cunhua Pan , Hong Ren , Zhiyuan Yu , Yang Zhang , Mengyu Liu , Gui Zhou

Integrated sensing and communication (ISAC) has been receiving a notable interest as an energy- and spectrum-efficient enabler for simultaneous communication and sensing. Notably, reconfigurable intelligent surfaces (RIS) is among the key…

信息论 · 计算机科学 2026-04-07 Elmehdi Illi , Marwa Qaraqe

In this work, we propose a beam training codebook for Reconfigurable Intelligent Surface (RIS) assisted mmWave uplink communication. Beam training procedure is important to establish a reliable link between user node and Access point (AP).…

信号处理 · 电气工程与系统科学 2021-07-30 Chandradeep Singh , Kamal Singh , K. H. Liu

Achieving efficient and cost-effective transmit beampattern control for integrated sensing and communication (ISAC) systems is a significant challenge. This paper addresses this by proposing a dual-function radar communication (DFRC)…

信号处理 · 电气工程与系统科学 2025-11-25 Emanuele Grossi , Marco Lops , Luca Venturino

Reconfigurable intelligent surfaces (RIS) have drawn considerable attention recently due to their controllable scattering elements that are able to direct electromagnetic waves into desirable directions. Although RISs share some…

信息论 · 计算机科学 2021-05-03 Mohanad Obeed , Anas Chaaban

Reconfigurable intelligent surfaces, with their large number of antennas, offer an interesting opportunity for high spatial-resolution imaging. In this paper, we propose a novel RIS-aided integrated imaging and communication system that can…

信号处理 · 电气工程与系统科学 2024-01-30 Hao Luo , Ahmed Alkhateeb

In this paper, an intelligent reflecting surface (IRS) is leveraged to enhance the physical layer security of an integrated sensing and communication (ISAC) system in which the IRS is deployed to not only assist the downlink communication…

信息论 · 计算机科学 2022-07-20 Meng Hua , Qingqing Wu , Wen Chen , Octavia A. Dobre , A. Lee Swindlehurst

Integrated sensing and communication (ISAC) is recognized as a promising technology with great potential in saving hardware and spectrum resources, since it simultaneously realizes radar detection and user communication functions in the…

信号处理 · 电气工程与系统科学 2023-02-22 Qi Zhu , Ming Li , Rang Liu , Qian Liu

A near-field integrated sensing, positioning, and communication (ISPAC) framework is proposed, where a base station (BS) simultaneously serves multiple communication users and carries out target sensing and positioning. A novel double-array…

信息论 · 计算机科学 2023-11-15 Haochen Li , Zhaolin Wang , Xidong Mu , Zhiwen Pan , Yuanwei Liu

Bistatic Integrated Sensing and Communication (ISAC) is poised to become a cornerstone technology in next-generation communication networks, such as Beyond 5G (B5G) and 6G, by enabling the concurrent execution of sensing and communication…

信号处理 · 电气工程与系统科学 2025-07-15 Yi Wang , Keke Zu , Luping Xiang , Martin Haardt , Chaochao Wang , Xianchao Zhang , Kun Yang

Despite the enhanced spectral efficiency brought by the integrated radar and communication technique, it poses significant risks to communication security when confronted with malicious radar targets. To address this issue, a reconfigurable…

信号处理 · 电气工程与系统科学 2024-12-17 Tong-Xing Zheng , Xin Chen , Lan Lan , Ying Ju , Xiaoyan Hu , Rongke Liu , Derrick Wing Kwan Ng , Tiejun Cui

We study a multiple-input single-output (MISO) communication system assisted by a reconfigurable intelligent surface (RIS). A base station (BS) having multiple antennas is assumed to be communicating to a single-antenna user equipment (UE),…

信号处理 · 电气工程与系统科学 2020-10-08 Neel Kanth Kundu , Matthew R. McKay

In this paper, the problem of spectral-efficient communication and computation resource allocation for distributed reconfigurable intelligent surfaces (RISs) assisted probabilistic semantic communication (PSC) in industrial…

信息论 · 计算机科学 2025-04-09 Zhouxiang Zhao , Zhaohui Yang , Chongwen Huang , Li Wei , Qianqian Yang , Caijun Zhong , Wei Xu , Zhaoyang Zhang

Active reconfigurable intelligent surface (A-RIS) aided integrated sensing and communications (ISAC) system has been considered as a promising paradigm to improve spectrum efficiency. However, massive energy-hungry radio frequency (RF)…

信息论 · 计算机科学 2025-01-17 Wei Ma , Peichang Zhang , Junjie Ye , Rouyang Guan , Xiao-Peng Li , Lei Huang

In this paper, we consider a reconfigurable intelligent surface (RIS)-assisted multiple-input multiple-output communication system with multiple antennas at both the base station (BS) and the user. We plan to maximize the achievable rate…

信息论 · 计算机科学 2024-05-28 Yaqiong Zhao , Jindan Xu , Wei Xu , Kezhi Wang , Xinquan Ye , Chau Yuen , Xiaohu You

Integrated sensing and communication (ISAC) is a key technology of next generation wireless communication. Backscatter communication (BackCom) plays an important role for internet of things (IoT). Then the integration of ISAC with BackCom…

信号处理 · 电气工程与系统科学 2024-09-06 Zongyao Zhao , Tiankuo Wei , Zhenyu Liu , Xinke Tang , Xiao-Ping Zhang , Yuhan Dong

This paper studies a reconfigurable intelligent surface (RIS)-assisted cell-free massive multiple-input multiple-output (CF-mMIMO) system with multiple RISs. Joint design of transmit precoding, RIS coefficients, and receive combining is…

信号处理 · 电气工程与系统科学 2025-10-21 Navid Reyhanian , Reza Ghaderi Zefreh , Parisa Ramezani , Emil Bjornson

Retrieving range information in three-dimensional (3D) radio imaging is particularly challenging due to the limited communication bandwidth and pilot resources. To address this issue, we consider a reconfigurable intelligent surface…

信息论 · 计算机科学 2024-03-19 Yixuan Huang , Jie Yang , Chao-Kai Wen , Shi Jin

In this paper, we consider a full-duplex (FD) Integrated Sensing and Communication (ISAC) system, in which the base station (BS) performs downlink and uplink communications with multiple users while simultaneously sensing multiple targets.…

信号处理 · 电气工程与系统科学 2025-10-29 Duc Nguyen Dao , Haibin Zhang , Andre B. J. Kokkeler , Yang Miao

This paper explores the performance of reconfigurable intelligent surface (RIS) assisted spatial modulation (SM) downlink communication systems, focusing on the average bit error probability (ABEP). Notably, in scenarios with a large number…

信息论 · 计算机科学 2024-04-02 Xusheng Zhu , Qingqing Wu , Wen Chen