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相关论文: Energy Efficiency Optimization in Active Reconfigu…

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In this paper, we propose a novel joint active and passive beamforming approach for integrated sensing and communication (ISAC) transmission with assistance of reconfigurable intelligent surfaces (RISs) to simultaneously detect a target and…

信号处理 · 电气工程与系统科学 2022-10-26 Xiao Meng , Fan Liu , Shihang Lu , Sundeep Prabhakar Chepuri , Christos Masouros

This paper investigates the optimization of reconfigurable intelligent surface (RIS) in an integrated sensing and communication (ISAC) system. \red{To meet the demand of growing number of devices, power domain non-orthogonal multiple access…

信号处理 · 电气工程与系统科学 2023-09-13 Wanting Lyu , Yue Xiu , Xinyang Li , Songjie Yang , Phee Lep Yeoh , Yonghui Li , Zhongpei Zhang

Reconfigurable intelligent surfaces (RISs) have been extensively applied in integrated sensing and communication (ISAC) systems due to the capability of enhancing physical layer security (PLS). However, conventional static RIS architectures…

信号处理 · 电气工程与系统科学 2025-12-24 Ling Zhuang , Ximing Xie , Fang Fang , Ali Attaran , Zhizhong Zhang

Integrated sensing and communications (ISAC) is a spectrum-sharing paradigm that allows different users to jointly utilize and access the crowded electromagnetic spectrum. In this context, intelligent reflecting surfaces (IRSs) have lately…

信息论 · 计算机科学 2023-08-31 Zahra Esmaeilbeig , Arian Eamaz , Kumar Vijay Mishra , Mojtaba Soltanalian

This work considers the problem of energy efficiency maximization in a RIS-based communication link, subject to not only the conventional maximum power constraints, but also additional constraints on the maximum exposure to electromagnetic…

最优化与控制 · 数学 2022-07-20 Alessio Zappone , Marco Di Renzo

Stacked intelligent metasurfaces (SIMs) provide wave-domain degrees of freedom that can empower integrated sensing and communication (ISAC) through flexible beampattern synthesis and interference management, while reducing hardware cost. In…

This work investigates a practical reconfigurable intelligent surface (RIS)-aided integrated sensing and communication (ISAC) system, where a subset of RIS elements fail to function properly and reflect incident signals randomly towards…

信号处理 · 电气工程与系统科学 2025-11-03 Lu Wang , Gui Zhou , Changheng Li , Luis F. Abanto-Leon , Nairy Moghadas Gholian , Matthias Hollick , Arash Asadi

This paper investigates energy efficiency (EE) optimization for an uplink multiuser system assisted by a movable-element reconfigurable intelligent surface (ME-RIS) and a base station equipped with movable antennas (MA-BS). We jointly…

信号处理 · 电气工程与系统科学 2026-03-31 Ayda Nodel Hokmabadi , Mohamed Elhattab , Chadi Assi

The proliferation of data-intensive and low-latency applications has driven the development of multi-access edge computing (MEC) as a viable solution to meet the increasing demands for high-performance computing and storage capabilities at…

网络与互联网体系结构 · 计算机科学 2024-08-26 Pyae Sone Aung , Kitae Kim , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

Integrated sensing and communications (ISAC) are envisioned to be an integral part of future wireless networks, especially when operating at the millimeter-wave (mmWave) and terahertz (THz) frequency bands. However, establishing wireless…

信号处理 · 电气工程与系统科学 2022-11-03 Sundeep Prabhakar Chepuri , Nir Shlezinger , Fan Liu , George C. Alexandropoulos , Stefano Buzzi , Yonina C. Eldar

Reconfigurable intelligent surface (RIS) is regarded as a promising technology with great potential to boost wireless networks. Affected by the "double fading" effect, however, conventional passive RIS cannot bring considerable performance…

信号处理 · 电气工程与系统科学 2022-10-06 Qi Zhu , Ming Li , Rang Liu , Yang Liu , Qian Liu

Reconfigurable Intelligent Surface (RIS) draws great attentions in academic and industry due to its passive and low power consumption nature, and has currently been used in physical layer security to enhance the secure transmission.…

信息论 · 计算机科学 2021-12-21 Limeng Dong , Hui-Ming Wang , Jiale Bai

The low-altitude economy (LAE) has emerged and developed in various fields, which has gained considerable interest. To ensure the security of LAE, it is essential to establish a proper sensing coverage scheme for monitoring the unauthorized…

系统与控制 · 电气工程与系统科学 2025-12-11 Ying Zhang , Zeqi Hao , Tingting Zhang

In this paper, we investigate simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS), which enables to communicate with users both sides by transmitting signals to users forward and reflecting signals to…

信息论 · 计算机科学 2021-12-14 Ruitianyi Lu , Kehao Wang

In this paper, we investigate the integration of simultaneously transmitting and reflecting reconfigurable intelligent surfaces (STAR-RIS) with rate-splitting multiple access (RSMA) for improving physical layer security (PLS) in integrated…

信号处理 · 电气工程与系统科学 2025-11-04 Thanh Nha To , Hoang Lai Pham , Quynh Nguyen Thi , Tuan Anh Pham , Le Thanh Bang

In this paper, we propose a novel algorithm for energy-efficient, low-latency dynamic mobile edge computing (MEC), in the context of beyond 5G networks endowed with Reconfigurable Intelligent Surfaces (RISs). In our setting, new computing…

信号处理 · 电气工程与系统科学 2021-12-22 Paolo Di Lorenzo , Mattia Merluzzi , Emilio Calvanese Strinati , Sergio Barbarossa

Cognitive radio (CR) is an effective solution to improve the spectral efficiency (SE) of wireless communications by allowing the secondary users (SUs) to share spectrum with primary users. Meanwhile, intelligent reflecting surface (IRS),…

信号处理 · 电气工程与系统科学 2019-12-24 Jie Yuan , Ying-Chang Liang , Jingon Joung , Gang Feng , Erik G. Larsson

Integrated sensing and communication (ISAC) has emerged as a transformative technology for 6G networks, enabling the seamless integration of communication and sensing functionalities. Reconfigurable intelligent surfaces (RIS), with their…

信号处理 · 电气工程与系统科学 2025-01-14 Shoushuo Zhang , Rang Liu , Ming Li , Wei Wang , Qian Liu

This paper investigates a multi-user uplink mobile edge computing (MEC) network, where the users offload partial tasks securely to an access point under the non-orthogonal multiple access policy with the aid of a reconfigurable intelligent…

信息论 · 计算机科学 2025-07-23 Tong-Xing Zheng , Xinji Wang , Xin Chen , Di Mao , Jia Shi , Cunhua Pan , Chongwen Huang , Haiyang Ding , Zan Li

Integrated sensing and communication (ISAC) enables the joint use of spectrum and hardware resources for radar sensing and data transmission, serving as a key enabler of next-generation wireless networks. However, most existing ISAC studies…

信号处理 · 电气工程与系统科学 2025-11-25 Seonghoon Yoo , Jaemin Jung , Seongah Jeong , Jinkyu Kang , Markku Juntti , Joonhyuk Kang