中文
相关论文

相关论文: A Stackelberg Game Approach to Resource Allocation…

200 篇论文

The high reflect beamforming gain of the intelligent reflecting surface (IRS) makes it appealing not only for wireless information transmission but also for wireless power transfer. In this letter, we consider an IRS-assisted wireless…

信息论 · 计算机科学 2021-04-28 Dingcai Zhang , Qingqing Wu , Miao Cui , Guangchi Zhang , Dusit Niyato

Intelligent reflecting surface (IRS) is a promising technology to improve the performance of backscatter communication systems by smartly reconfiguring the multi-reflection channel. To fully exploit the passive beamforming gain of IRS in…

信息论 · 计算机科学 2021-03-17 Samith Abeywickrama , Changsheng You , Rui Zhang , Chau Yuen

Intelligent reflecting surface (IRS) is a cost-effective solution for achieving high spectrum and energy efficiency in future wireless networks by leveraging massive low-cost passive elements that are able to reflect the signals with…

信息论 · 计算机科学 2020-01-03 Qingqing Wu , Rui Zhang

A dual-polarized intelligent reflecting surface (IRS) can contribute to a better multiplexing of interfering wireless users. In this paper, we use this feature to improve the performance of dual-polarized massive multiple-input…

The operation of an intelligent reflecting surface (IRS) under predictable receiver mobility is investigated. We develop a continuous time system model for multipath channels and discuss the optimal IRS configuration with respect to…

信息论 · 计算机科学 2020-09-18 Bho Matthiesen , Emil Björnson , Elisabeth De Carvalho , Petar Popovski

This paper studies multi-active intelligent-reflecting-surface (IRS) cooperative sensing, in which multiple active IRSs are deployed in a distributed manner to help the base station (BS) provide multi-view sensing. We focus on the scenario…

信息论 · 计算机科学 2024-04-23 Yuan Fang , Xianghao Yu , Jie Xu

In this paper, the problem of maximizing the sum of data rates of all users in an intelligent reflecting surface (IRS)-assisted millimeter wave multicast multiple-input multiple-output communication system is studied. In the considered…

信号处理 · 电气工程与系统科学 2022-08-16 Songling Zhang , Zhaohui Yang , Mingzhe Chen , Danpu Liu , Kai-Kit Wong , H. Vincent Poor

This paper studies the active intelligent reflecting surface (IRS)-enabled integrated sensing and communications (ISAC), in which an active IRS is deployed to assist the base station (BS) in serving multiple communication users (CUs) and…

信息论 · 计算机科学 2025-08-04 Yuan Fang , Xianxin Song , Huazhou Hou , Ziguo Zhong , Xianghao Yu , Jie Xu , Yongming Huang

Malicious jamming presents a pervasive threat to the secure communications, where the challenge becomes increasingly severe due to the growing capability of the jammer allowing the adaptation to legitimate transmissions. This paper…

信息论 · 计算机科学 2026-02-23 Xiao Tang , Zhen Ma , Limeng Dong , Yichen Wang , Qinghe Du , Dusit Niyato , Zhu Han

Bistatic backscatter communication (BackCom) allows passive tags to transmit over extended ranges, but at the cost of having carrier emitters either transmitting at high powers or being deployed very close to tags. In this paper, we examine…

信息论 · 计算机科学 2021-11-09 Xiaolun Jia , Xiangyun Zhou , Dusit Niyato , Jun Zhao

This paper studies an intelligent reflecting surface (IRS)-assisted multiuser multiple-input single-output (MISO) simultaneous wireless information and power transfer (SWIPT) system. In this system, a multi-antenna access point (AP) uses…

信号处理 · 电气工程与系统科学 2019-10-17 Yizheng Tang , Ganggang Ma , Hailiang Xie , Jie Xu , Xiao Han

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

Intelligent reflecting surfaces (IRSs) are a promising technology for enhancing coverage and spectral efficiency, both in the sub-6 GHz and the millimeter wave (mmWave) bands. Existing approaches to leverage the benefits of IRS involve the…

信息论 · 计算机科学 2023-07-03 L. Yashvanth , Chandra R. Murthy

Intelligent reflecting surfaces (IRSs) have shown huge advantages in many potential use cases and thus have been considered a promising candidate for next-generation wireless systems. In this paper, we consider an IRS-assisted multigroup…

信息论 · 计算机科学 2022-08-16 Muhammad Farooq , Vaibhav Kumar , Markku Juntti , Le-Nam Tran

An intelligent reflecting surface (IRS), consisting of reconfigurable metamaterials, can be used to partially control the radio environment and thereby bring new features to wireless communications. Previous works on IRS have particularly…

信号处理 · 电气工程与系统科学 2020-02-07 Özgecan Özdogan , Emil Björnson , Erik G. Larsson

This paper investigates the passive beamforming and deployment design for an intelligent reflecting surface (IRS) aided full-duplex (FD) wireless system, where an FD access point (AP) communicates with an uplink (UL) user and a downlink…

信息论 · 计算机科学 2022-10-17 Yunlong Cai , Ming-Min Zhao , Kaidi Xu , Rui Zhang

In cognitive radio (CR) communication systems, achieving high secondary user (SU) rate in the presence of strong cross-link interference with the primary user (PU) is challenging. In this letter, we exploit the emerging intelligent…

信息论 · 计算机科学 2020-03-10 Xinrong Guan , Qingqing Wu , Rui Zhang

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

We investigate transmission optimization for intelligent reflecting surface (IRS) assisted multi-antenna systems from the physical-layer security perspective. The design goal is to maximize the system secrecy rate subject to the source…

信息论 · 计算机科学 2020-05-12 Hong Shen , Wei Xu , Shulei Gong , Zhenyao He , Chunming Zhao

This paper studies the performance of overlay device-to-device (D2D) communication links via carrier sense multiple access (CSMA) protocols. We assume that the D2D links have heterogeneous rate requirements and different willingness to pay,…

计算机科学与博弈论 · 计算机科学 2016-11-17 Jiangbin Lyu , Yong Huat Chew , Wai-Choong Wong
‹ 上一页 1 8 9 10 下一页 ›