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Upcoming Augmented Reality (AR) and Virtual Reality (VR) systems require high data rates ($\geq$ 500 Mbps) and low power consumption for seamless experience. With an increasing number of subscribing users, the total number of antennas…

Signal Processing · Electrical Eng. & Systems 2025-01-22 Muhammad Ahmed Mohsin , Sagnik Bhattacharya , Kamyar Rajabalifardi , Rohan Pote , John M. Cioffi

Due to their passive nature and thus low energy consumption, intelligent reflecting surfaces (IRSs) have shown promise as means of extending coverage as a proxy for connection reliability. The relative locations of the base station (BS),…

Signal Processing · Electrical Eng. & Systems 2023-05-08 Ehsan Tohidi , Sven Haesloop , Lars Thiele , Slawomir Stanczak

Intelligent reflect surface (IRS) is a potential technology to build programmable wireless environment in future communication systems. In this paper, we consider an IRS-assisted multi-base station (multi-BS) multi-user millimeter wave…

Information Theory · Computer Science 2020-11-04 Dan Zhao , Hancheng Lu , Yazheng Wang , Huan Sun , Yongqiang Gui

In this correspondence, we investigate an intelligent reflective surface (IRS) assisted downlink ultra-reliable and low-latency communication (URLLC) system, where an access point (AP) sends short packets to multiple devices with the help…

Information Theory · Computer Science 2023-04-18 Yangyi Zhang , Xinrong Guan , Qingqing Wu , Zhi Ji , Yueming Cai

As a main use case of 5G and Beyond wireless network, the ever-increasing machine type communications (MTC) devices pose critical challenges over MTC network in recent years. It is imperative to support massive MTC devices with limited…

Networking and Internet Architecture · Computer Science 2022-02-23 Ziru Chen , Ran Zhang , Lin X. Cai , Yu Cheng , Yong Liu

Intelligent reflecting surfaces (IRS) can improve the physical layer security (PLS) by providing a controllable wireless environment. In this paper, we propose a novel PLS technique with the help of IRS implemented by an intelligent mirror…

Information Theory · Computer Science 2021-02-01 Lei Qian , Xuefen Chi , Linlin Zhao , Anas Chaaban

This paper investigates the use of intelligent reflecting surfaces (IRS) to assist cellular communications and radar sensing operations in a communications and sensing setup. The IRS dynamically allocates reflecting elements to…

Signal Processing · Electrical Eng. & Systems 2025-10-24 Daniyal Munir , Atta Ullah , Danish Mehmood Mughal , Min Young Chung , Hans D. Schotten

This paper addresses the challenges of resource allocation in vehicular networks enhanced by Intelligent Reflecting Surfaces (IRS), considering the uncertain Channel State Information (CSI) typical of vehicular environments due to the…

Signal Processing · Electrical Eng. & Systems 2025-04-17 Peng Wang , Weihua Wu

Visible Light Communication (VLC) offers a promising solution to satisfy the increasing demand for wireless data. However, link blockages remain a significant challenge. This paper addresses this issue by investigating the combined use of…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Borja Genoves Guzman , Maximo Morales-Cespedes , Ana Garcia Armada , Maite Brandt-Pearce

The collaboration and interaction of multiple robots have become integral aspects of smart manufacturing. Effective planning and management play a crucial role in achieving energy savings and minimising overall costs. This paper addresses…

Robotics · Computer Science 2025-06-16 Ziren Xiao , Ruxin Xiao , Chang Liu , Xinheng Wang

Optimal resource allocation is a fundamental challenge for dense and heterogeneous wireless networks with massive wireless connections. Because of the non-convex nature of the optimization problem, it is computationally demanding to obtain…

Networking and Internet Architecture · Computer Science 2019-05-01 Kazi Ishfaq Ahmed , Ekram Hossain

This paper investigates a smart spectrum-sharing framework for reconfigurable intelligent surface (RIS)-aided local high-quality wireless networks (LHQWNs) within a mobile network operator (MNO) ecosystem. Although RISs are often considered…

Systems and Control · Electrical Eng. & Systems 2026-03-27 Hamid Reza Hashempour , Mina Khadem , Eduard A. Jorswieck

Visible light communication (VLC) is a technology that complements radio frequency (RF) to fulfill the ever-increasing demand for wireless data traffic. The ubiquity of light-emitting diodes (LEDs), exploited as transmitters, increases the…

Signal Processing · Electrical Eng. & Systems 2025-05-16 Borja Genoves Guzman , Maximo Morales Cespedes , Victor P. Gil Jimenez , Ana Garcia Armada , Maite Brandt-Pearce

This letter investigates secure transmission in an intelligent reflecting surface (IRS) assisted non-orthogonal multiple access (NOMA) network. Consider a practical eavesdropping scenario with imperfect channel state information of the…

Information Theory · Computer Science 2020-09-02 Zheng Zhang , Lu Lv , Qingqing Wu , Hao Deng , Jian Chen

Intelligent Reflecting Surface (IRS) technology is revolutionizing wireless communications by shifting from channel adaptation to a responsive wireless environment. This paper introduces a multi-IRS assisted millimeter wave (mm-wave)…

Signal Processing · Electrical Eng. & Systems 2024-01-04 Alireza Qazavi Khorasgani , Foroogh S. Tabataba , Mehdi Naderi Soorki , Mohammad Sadegh Fazel

Due to its ability of overcoming the impact of double-fading effect, active intelligent reflecting surface (IRS) has attracted a lot of attention. Unlike passive IRS, active IRS should be supplied by power, thus adjusting power between base…

Signal Processing · Electrical Eng. & Systems 2024-01-24 Qiankun Cheng , Rongen Dong , Wenlong Cai , Ruiqi Liu , Feng Shu , Jiangzhou Wang

In cell-free multiple input multiple output (MIMO) networks, multiple base stations (BSs) collaborate to achieve high spectral efficiency. Nevertheless, high penetration loss due to large blockages in harsh propagation environments is often…

Information Theory · Computer Science 2023-03-16 Chen Chen , Sai Xu , Jiliang Zhang , Jie Zhang

Intelligent reflecting surface (IRS) is envisioned to change the paradigm of wireless communications from "adapting to wireless channels" to "changing wireless channels". However, current IRS configuration schemes, consisting of sub-channel…

Signal Processing · Electrical Eng. & Systems 2022-05-12 Wei Wang , Wei Zhang

This thesis delves into the forefront of wireless communication by exploring the synergistic integration of three transformative technologies: STAR-RIS, CoMP, and NOMA. Driven by the ever-increasing demand for higher data rates, improved…

Signal Processing · Electrical Eng. & Systems 2025-05-20 Muhammad Umer , Muhammad Ahmed Mohsin , Huma Ghafoor , Syed Ali Hassan

Fluid antenna systems (FAS) enable dynamic antenna positioning, offering new opportunities to enhance integrated sensing and communication (ISAC) performance. However, existing studies primarily focus on communication enhancement or…

Signal Processing · Electrical Eng. & Systems 2025-01-03 Shunxing Yang , Junteng Yao , Jie Tang , Tuo Wu , Maged Elkashlan , Chau Yuen , Merouane Debbah , Hyundong Shin , Matthew Valenti