English
Related papers

Related papers: Power Optimization in Multi-IRS Aided Delay-Constr…

200 papers

Industrial Internet of Things (IIoT) applications involve real-time monitoring, detection, and data analysis. This is challenged by the intermittent activity of IIoT devices (IIoTDs) and their limited battery capacity. Indeed, the former…

Systems and Control · Electrical Eng. & Systems 2024-07-08 David E. Ruíz-Guirola , Onel L. A. López , Samuel Montejo-Sánchez

The Industrial Internet of Things (IIoT) enables industries to build large interconnected systems utilizing various technologies that require high data rates. Terahertz (THz) communication is envisioned as a candidate technology for…

Signal Processing · Electrical Eng. & Systems 2024-02-05 Muddasir Rahim , Georges Kaddoum , Tri Nhu Do

Intelligent reflecting surface (IRS) is a novel burgeoning concept, which possesses advantages in enhancing wireless communication and user localization, while maintaining low hardware cost and energy consumption. Herein, we establish an…

Information Theory · Computer Science 2021-03-02 Rui Wang , Zhe Xing , Erwu Liu

The advantage of computational resources in edge computing near the data source has kindled growing interest in delay-sensitive Internet of Things (IoT) applications. However, the benefit of the edge server is limited by the uploading and…

Information Theory · Computer Science 2021-09-17 Mithun Mukherjee , Vikas Kumar , Suman Kumar , Jaime Lloret , Qi Zhang , Mian Guo

The idea of Integrated Sensing and Communication (ISAC) offers a promising solution to the problem of spectrum congestion in future wireless networks. This paper studies the integration of intelligent reflective surfaces (IRS) with ISAC…

Signal Processing · Electrical Eng. & Systems 2023-09-06 Mahmoud AlaaEldin , Emad Alsusa , Karim G. Seddik , Christos Masouros , Iman Valiulahi

Intelligent reflecting surfaces (IRSs) are revolutionary enablers for next-generation wireless communication networks, with the ability to customize the radio propagation environment. To fully exploit the potential of IRS-assisted wireless…

Information Theory · Computer Science 2020-10-12 Yifan Ma , Yifei Shen , Xianghao Yu , Jun Zhang , S. H. Song , Khaled B. Letaief

In this paper, we consider an intelligent reflecting surface (IRS)-aided cell-free massive multiple-input multiple-output system, where the beamforming at access points and the phase shifts at IRSs are jointly optimized to maximize energy…

Signal Processing · Electrical Eng. & Systems 2022-12-27 Si-Nian Jin , Dian-Wu Yue , Yi-Ling Chen , Qing Hu

In this letter, we consider a double-active-intelligent reflecting surface (IRS) aided wireless communication system, where two active IRSs are properly deployed to assist the communication from a base station (BS) to multiple users located…

Information Theory · Computer Science 2023-07-25 Zhenyu Kang , Changsheng You , Rui Zhang

Emerging technologies in sixth generation (6G) of wireless communications, such as terahertz communication and ultra-massive multiple-input multiple-output, present promising prospects. Despite the high data rate potential of millimeter…

Networking and Internet Architecture · Computer Science 2025-01-07 Wenwen Xie , Geng Sun , Bei Liu , Jiahui Li , Jiacheng Wang , Hongyang Du , Dusit Niyato , Dong In Kim

Intelligent reflecting surfaces (IRSs) are regarded as a key enabler of green wireless communication, due to their capability of customizing favorable wireless propagation environments. In this paper, we investigate resource allocation for…

Information Theory · Computer Science 2020-11-13 Xianghao Yu , Dongfang Xu , Derrick Wing Kwan Ng , Robert Schober

This paper investigates the downlink communications of intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) systems. To maximize the system throughput, we formulate a joint optimization problem over the…

Information Theory · Computer Science 2020-02-06 Jiakuo Zuo , Yuanwei Liu , Zhijin Qin , Naofal Al-Dhahir

Intelligent reflecting surface (IRS) and rate-splitting multiple access (RSMA) technologies are at the forefront of enhancing spectrum and energy efficiency in the next generation multi-antenna communication systems. This paper explores a…

Signal Processing · Electrical Eng. & Systems 2024-06-06 Chunjie Wang , Xuhui Zhang , Huijun Xing , Liang Xue , Shuqiang Wang , Yanyan Shen , Bo Yang , Xinping Guan

In this paper, we consider an integrated data and energy network and D2D communication coexistence (DED2D) system. The DED2D system allows a base station (BS) to transfer data to information-demanded users (IUs) and energy to…

Networking and Internet Architecture · Computer Science 2021-11-18 Nguyen Thi Thanh Van , Huy T. Nguyen , Nguyen Cong Luong , Ngo Manh Tien , Dusit Niyato , Dong In Kim

The 5G Internet of Vehicles has become a new paradigm alongside the growing popularity and variety of computation-intensive applications with high requirements for computational resources and analysis capabilities. Existing network…

Networking and Internet Architecture · Computer Science 2018-04-09 Minghui LiWang , Shijie Dai , Zhibin Gao , Xiaojiang Du , Mohsen Guizani , Huaiyu Dai

Reconfigurable intelligent surfaces (RISs) are widely considered a promising technology for future wireless communication systems. As an important indicator of RIS-assisted communication systems in green wireless communications, energy…

Signal Processing · Electrical Eng. & Systems 2023-10-25 Zhiyi Li , Jida Zhang , Jieao Zhu , Shi Jin , Linglong Dai

Smart and reconfigurable wireless communication environments can be established by exploiting well-designed intelligent reflecting surfaces (IRSs) to shape the communication channels. In this paper, we investigate how multiple IRSs affect…

Intelligent reflective surface (IRS) technologies help mitigate undesirable effects in wireless links by steering the communication signal between transmitters and receivers. IRS elements are configured to adjust the phase of the reflected…

Signal Processing · Electrical Eng. & Systems 2025-05-02 Jorge Torres Gómez , Joana Angjo , Moritz Garkisch , Vahid Jamali , Robert Schober , Falko Dressler

In this paper, we propose an optimization framework for rate splitting (RS) techniques in multiple-input multiple-output (MIMO) reconfigurable intelligent surface (RIS)-assisted systems, possibly with I/Q imbalance (IQI). This framework can…

Information Theory · Computer Science 2022-11-16 Mohammad Soleymani , Ignacio Santamaria , Eduard Jorswieck

In this paper, we investigate resource allocation algorithm design for intelligent reflecting surface (IRS)-assisted multiuser cognitive radio (CR) systems. In particular, an IRS is deployed to mitigate the interference caused by the…

Information Theory · Computer Science 2020-03-03 Dongfang Xu , Xianghao Yu , Robert Schober

In this paper, we consider a wireless network consisting of a base station (BS) that is serving multiple real-time traffic streams forwarding information updates to their destinations in order to sustain the freshness of information for…

Signal Processing · Electrical Eng. & Systems 2022-04-14 Ali Muhammad , Mohamed Elhattab , Mohamed Amine Arfaoui , Ahmed Al-Hilo , Chadi Assi