中文
相关论文

相关论文: Intelligent Reflecting Surface Aided Multi-User Co…

200 篇论文

In this paper, we introduce an intelligent reflecting surface (IRS) to provide a programmable wireless environment for physical layer security. By adjusting the reflecting coefficients, the IRS can change the attenuation and scattering of…

信号处理 · 电气工程与系统科学 2019-06-21 Jie Chen , Ying-Chang Liang , Yiyang Pei , Huayan Guo

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

In this letter, we consider an intelligent reflecting surface (IRS)-aided wireless communication system, where an active or passive IRS is employed to assist the communication between an access point and a user. First, we consider the…

信息论 · 计算机科学 2021-09-13 Changsheng You , Rui Zhang

In this paper, intelligent reflecting surfaces (IRSs) are employed to enhance the physical layer security in a challenging radio environment. In particular, a multi-antenna access point (AP) has to serve multiple single-antenna legitimate…

信息论 · 计算机科学 2020-04-21 Xianghao Yu , Dongfang Xu , Ying Sun , Derrick Wing Kwan Ng , Robert Schober

Intelligent reflecting surface (IRS) is an emerging technology that is able to significantly improve the performance of wireless communications, by smartly tuning signal reflections at a large number of passive reflecting elements. On the…

信号处理 · 电气工程与系统科学 2023-02-14 Xiaodan Shao , Changsheng You , Rui Zhang

As a recently proposed idea for future wireless systems, intelligent reflecting surface (IRS) can assist communications between entities which do not have high-quality direct channels in between. Specifically, an IRS comprises many low-cost…

信息论 · 计算机科学 2020-01-29 Huimei Han , Jun Zhao , Dusit Niyato , Marco Di Renzo , Quoc-Viet Pham

Intelligent reflecting/refracting surface (IRS) has recently emerged as a promising solution to reconfigure wireless propagation environment for enhancing the communication performance. In this paper, we study a new IRS-aided high-mobility…

信息论 · 计算机科学 2021-12-14 Zixuan Huang , Beixiong Zheng , Rui Zhang

The recently completed 5G new radio standard is a result of several cutting-edge technologies, including massive multiple-input multiple-output (MIMO), millimeter (mm)-Wave communication and network densification. However, these…

信号处理 · 电气工程与系统科学 2019-12-16 Qurrat-Ul-Ain Nadeem , Abla Kammoun , Anas Chaaban , Merouane Debbah , Mohamed-Slim Alouini

Intelligent reflecting surface (IRS) has recently received significant attention in wireless networks owing to its ability to smartly control the wireless propagation through passive reflection. Although prior works have employed the IRS to…

信息论 · 计算机科学 2023-05-01 Guangji Chen , Qingqing Wu

In a practical massive MIMO (multiple-input multiple-output) system, the number of antennas at a base station (BS) is constrained by the space and cost factors, which limits the throughput gain promised by theoretical analysis. This paper…

信息论 · 计算机科学 2020-05-06 Zhaorui Wang , Liang Liu , Shuguang Cui

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 surface (IRS) that enables the control of wireless propagation environment has recently emerged as a promising cost-effective technology for boosting the spectrum and energy efficiency in future wireless communication…

信息论 · 计算机科学 2020-02-25 Samith Abeywickrama , Rui Zhang , Qingqing Wu , Chau Yuen

With growing security threats to the evolving wireless systems, protecting user privacy becomes progressively challenging. Even if the transmitted information is encrypted and the potential wiretap channel is physically limited (e.g.…

网络与互联网体系结构 · 计算机科学 2020-04-06 Xiao Lu , Ekram Hossain , Tania Shafique , Shaohan Feng , Hai Jiang , Dusit Niyato

This paper investigates a multi-intelligent reflecting surface (IRS) aided integrated sensing and communication (ISAC) system, where multiple IRSs are strategically deployed not only to assist the communication from a multi-antenna base…

信息论 · 计算机科学 2025-06-30 Guangji Chen , Qingqing Wu , Shihang Lu , Meng Hua , Wen Chen

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

Intelligent reflecting surface (IRS) has drawn a lot of attention recently as a promising new solution to achieve high spectral and energy efficiency for future wireless networks. By utilizing massive low-cost passive reflecting elements,…

信息论 · 计算机科学 2022-10-17 Ming-Min Zhao , Qingqing Wu , Min-Jian Zhao , Rui Zhang

Intelligent reflecting surface (IRS) is a promising technology for achieving high spectrum efficiency in future wireless networks by leveraging massive low-cost reflecting elements with each reflecting the incident signal with a proper…

信息论 · 计算机科学 2018-10-29 Qingqing Wu , Rui Zhang

Intelligent reflecting surface (IRS) has become a cost-effective solution for constructing a smart and adaptive radio environment. Most previous works on IRS have jointly designed the active and passive precoding based on perfectly or…

信息论 · 计算机科学 2024-09-24 Beixiong Zheng , Tiantian Ma , Jie Tang , Changsheng You , Shaoe Lin , Kai-Kit Wong

This paper investigates an intelligent reflecting surface (IRS) aided cooperative communication network, where the IRS exploits large reflecting elements to proactively steer the incident radio-frequency wave towards destination terminals…

信号处理 · 电气工程与系统科学 2020-12-21 Yulan Gao , Chao Yong , Zehui Xiong , Dusit Niyato , Yue Xiao , Jun Zhao