中文
相关论文

相关论文: Weighted Sum-Rate Maximization for Multi-IRS-assis…

200 篇论文

In this paper, we study the intelligent reflecting surface (IRS) deployment problem where a number of IRSs are optimally placed in a target area to improve its signal coverage with the serving base station (BS). To achieve this, we assume…

信号处理 · 电气工程与系统科学 2024-10-29 Min Fu , Lipeng Zhu , Rui Zhang

Utilization of inter-base station cooperation for information processing has shown great potential in enhancing the overall quality of communication services (QoS) in wireless communication networks. Nevertheless, such cooperations require…

信息论 · 计算机科学 2024-01-23 Xingdi Chen , Yu Xiong , Kai Yang

With the capability of reconfiguring the wireless electromagnetic environment, intelligent reflecting surface (IRS) is a new paradigm for designing future wireless communication systems. In this paper, we consider optical IRS for improving…

信息论 · 计算机科学 2022-06-30 Shiyuan Sun , Fang Yang , Jian Song , Rui Zhang

Reconfigurable intelligent surface (RIS) as an emerging cost-effective technology can enhance the spectrum- and energy-efficiency of wireless networks. In this paper, we consider an RIS-aided green edge inference system, where the inference…

信号处理 · 电气工程与系统科学 2024-10-30 Sheng Hua , Yong Zhou , Kai Yang , Yuanming Shi

A novel transmissive reconfigurable intelligent surface (TRIS) transceiver-empowered simultaneous wireless information and power transfer (SWIPT) framework is proposed. The sum-rate of the information decoding (ID) users is maximized by…

信号处理 · 电气工程与系统科学 2025-11-18 Yuan Guo , Wen Chen , Xudong Bai , Chong He , Qiong Wu

Intelligent reflecting surface (IRS) is a promising technology to extend the wireless signal coverage and support the high performance communication. By intelligently adjusting the reflection coefficients of a large number of passive…

信息论 · 计算机科学 2021-03-01 Yitao Han , Shuowen Zhang , Lingjie Duan , Rui Zhang

This paper considers the weighted sum rate (WSR) maximized resource allocation (RA) constrained by a system sum power in an orthogonal frequency division multiple access (OFDMA) downlink transmission system assisted by multiple…

信息论 · 计算机科学 2015-05-28 Tao Wang , Luc Vandendorpe

In this paper, we investigate resource allocation algorithm design for large intelligent reflecting surface (IRS)-assisted simultaneous wireless information and power transfer (SWIPT) systems. To this end, we adopt a physics-based IRS model…

信息论 · 计算机科学 2020-10-05 Dongfang Xu , Xianghao Yu , Vahid Jamali , Derrick Wing Kwan Ng , Robert Schober

In this paper, we study the optimal resource allocation algorithm design for large intelligent reflecting surface (IRS)-assisted simultaneous wireless information and power transfer (SWIPT) systems. To facilitate efficient system design for…

信息论 · 计算机科学 2021-04-09 Dongfang Xu , Vahid Jamali , Xianghao Yu , Derrick Wing Kwan Ng , Robert Schober

We propose a novel design of a dual-function radar communication (DFRC) system aided by an Intelligent Reflecting Surface (IRS). We consider a scenario with one target and multiple communication receivers, where there is no line-of-sight…

信号处理 · 电气工程与系统科学 2022-04-12 Yikai Li , Athina Petropulu

Intelligent reflecting surface (IRS) and movable antenna (MA) are promising technologies to enhance wireless communication by reconfiguring channels at the environment and transceiver sides. However, their performance is constrained by…

信息论 · 计算机科学 2025-12-18 Chao Zhou , Changsheng You , Cong Zhou , Liujia Yao , Weijie Yuan , Beixiong Zheng , Nan Wu

The concept of intelligent reflecting surfaces (IRSs) is considered as a promising technology for increasing the efficiency of mobile wireless networks. This is achieved by employing a vast amount of low-cost individually adjustable passive…

网络与互联网体系结构 · 计算机科学 2020-12-01 Kevin Weinberger , Alaa Alameer Ahmad , Aydin Sezgin

Beyond diagonal intelligent reflecting surface (BD-IRS) is a new promising IRS architecture for which the reflection matrix is not limited to the diagonal structure as for conventional IRS. In this paper, we study a BD-IRS aided uplink…

信息论 · 计算机科学 2025-06-25 Shuo Zheng , Shuowen Zhang

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

This paper investigates full-duplex unmanned aerial vehicle (UAV) aided small cell wireless systems, where the UAV serving as the base station (BS) is designed to transmit data to the downlink users and receive data from the uplink users…

信息论 · 计算机科学 2019-12-11 Meng Hua , Luxi Yang , Cunhua Pan , Arumugam Nallanathan

This study considers the Joint Transmit/Reflect Beamforming and Power Splitting (JTRBPS) optimization problem in a spectrum underlay setting, such that the transmit sum-energy of the intelligent reflecting surface (IRS)-aided secondary…

信号处理 · 电气工程与系统科学 2022-02-01 Konstantinos Ntougias , Ioannis Krikidis

This paper models an active intelligent reflecting surface (IRS) -assisted wireless communication network, which has the ability to adjust power between BS and IRS. We aim to maximize the signal-to-noise ratio of user by jointly designing…

信号处理 · 电气工程与系统科学 2024-06-11 Qiankun Cheng , Jiatong Bai , Baihua Shi , Wei Gao , Feng Shu

The concept of reconfiguring wireless propagation environments using intelligent reflecting surfaces (IRS)s has recently emerged, where an IRS comprises of a large number of passive reflecting elements that can smartly reflect the impinging…

Wireless sensing and wireless energy are enablers to pave the way for smart transportation and a greener future. In this paper, an intelligent reflecting surface (IRS) assisted integrated sensing and wireless power transfer (ISWPT) system…

信号处理 · 电气工程与系统科学 2023-12-04 Zheng Li , Zhengyu Zhu , Zheng Chu , Yingying Guan , De Mi , Fan Liu , Lie-Liang Yang

Intelligent reflecting surface (IRS) is deemed as a promising and revolutionizing technology for future wireless communication systems owing to its capability to intelligently change the propagation environment and introduce a new dimension…

信号处理 · 电气工程与系统科学 2021-01-06 Wenhao Cai , Rang Liu , Yang Liu , Ming Li , Qian Liu