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Reconfigurable intelligent surface (RIS) is considered as an extraordinarily promising technology to solve the blockage problem of millimeter wave (mmWave) communications owing to its capable of establishing a reconfigurable wireless…

信息论 · 计算机科学 2022-02-22 Yuqian Zhu , Ming Li , Yang Liu , Qian Liu , Zheng Chang , Yulin Hu

Millimeter wave (mmWave) communications are vulnerable to blockages and node mobility due to the highly directional signal beams. The emerging Reconfigurable Intelligent Surfaces (RISs) technique can effectively mitigate the blockage…

信号处理 · 电气工程与系统科学 2024-10-28 Xiaowen Tian , Zhi Sun

The disaggregation of base stations into discrete RAN functions introduces new threats to mobile networks, as failures in one RAN function can trigger cascading failures and disrupt the entire functional chain, impacting network performance…

网络与互联网体系结构 · 计算机科学 2025-11-12 Gabriel M. Almeida , Jacek Kibiłda , Joao F. Santos , Kleber Vieira Cardoso

This paper examines the impact of system parameters such as access point density and bandwidth partitioning on the performance of randomly deployed, interference-limited, dense wireless networks. While much progress has been achieved in…

信息论 · 计算机科学 2014-08-26 Stelios Stefanatos , Angeliki Alexiou

We provide the solution for optimizing the power and resource allocation over block-fading relay-assisted broadcast channels in order to maximize the long term average achievable rates region of the users. The problem formulation assumes…

信息论 · 计算机科学 2012-05-02 Mohammad Shaqfeh , Hussein Alnuweiri

Reconfigurable intelligent surface (RIS) technology enhances wireless communication performance, but it also introduces new vulnerabilities that can be exploited by adversaries. This paper investigates channel reciprocity attack (CRACK)…

信号处理 · 电气工程与系统科学 2025-09-16 Haoyu Wang , Jiawei Hu , Jiaqi Xu , Ying Ju , A. Lee Swindlehurst

We study communication-constrained networked control problems for linear time-invariant systems in the presence of Denial-of-Service (DoS) attacks, namely attacks that prevent transmissions over the communication network. Our work aims at…

系统与控制 · 计算机科学 2018-09-14 Shuai Feng , Ahmet Cetinkaya , Hideaki Ishii , Pietro Tesi , Claudio De Persis

Reconfigurable intelligent surface (RIS) emerges as a promising technology for the next generation networks. In this paper, we utilize the tools from stochastic geometry to study the performance of a RIS-assisted millimeter wave (mmWave)…

信息论 · 计算机科学 2021-04-19 Le Yang , Fu-Chun Zheng , Shi Jin

Rate splitting multiple access (RSMA) and reconfigurable intelligent surface (RIS) are two prospective technologies for improving the spectral and energy efficiency in future wireless communication systems. In this work, we investigate a…

信号处理 · 电气工程与系统科学 2024-10-17 Sadaf Syed , Michael Joham , Wolfgang Utschick

Network slicing (NS) is a promising technology that supports diverse requirements for next-generation low-latency wireless communication networks. However, the tampering attack is a rising issue of jeopardizing NS service-provisioning. To…

信号处理 · 电气工程与系统科学 2024-03-18 Xin Hao , Phee Lep Yeoh , Changyang She , Yao Yu , Branka Vucetic , Yonghui Li

Intelligent reflecting surfaces (IRSs) are envisioned as a transformative method for enhancing the physical layer security of future communication networks. However, current IRS-assisted secure wireless system designs incur high time cost…

信号处理 · 电气工程与系统科学 2025-01-23 Yifei Wu , Mehmet Emin Arslan , Niels Neumann , Wolfgang Gerstacker , Robert Schober

This paper studies reconfigurable intelligent surface (RIS) assisted device activity detection for grant-free (GF) uplink transmission in wireless communication networks. In particular, we consider mobile devices located in an area where…

信号处理 · 电气工程与系统科学 2024-10-28 Friedemann Laue , Vahid Jamali , Robert Schober

Rate splitting (RS) is a potentially powerful and flexible technique for multi-antenna downlink transmission. In this paper, we address several technical challenges towards its practical implementation for beyond 5G systems. To this end, we…

信息论 · 计算机科学 2020-02-19 Zheng Li , Chencheng Ye , Ying Cui , Sheng Yang , Shlomo Shamai

Reconfigurable intelligent surface (RIS) is a promising solution to deal with the blockage-sensitivity of millimeter wave band and reduce the high energy consumption caused by network densification. However, deploying large scale RISs may…

信息论 · 计算机科学 2024-02-12 Yining Xu , Sheng Zhou

We focus on interference mitigation and energy conservation within a single wireless body area network (WBAN). We adopt two-hop communication scheme supported by the the IEEE 802.15.6 standard (2012). In this paper, we propose a dynamic…

网络与互联网体系结构 · 计算机科学 2016-11-03 Mohamad Jaafar Ali , Hassine Moungla , Ahmed Mehaoua , Yong Xu

This article investigates the robustness of rate-splitting multiple access (RSMA) in multi-user multiple-input single-output (MISO) systems to interference attacks against channel acquisition induced by beyond-diagonal RISs (BD-RISs). Two…

信号处理 · 电气工程与系统科学 2026-02-19 Arthur S. de Sena , Jacek Kibilda , Nurul H. Mahmood , Andre Gomes , Luiz A. DaSilva , Matti Latva-aho

Millimeter wave (mmWave) communications are sensitive to blockage over radio propagation paths. The emerging paradigm of reconfigurable intelligent surface (RIS) has the potential to overcome this issue by its ability to arbitrarily reflect…

信号处理 · 电气工程与系统科学 2025-05-30 Yan Yang , Shuping Dang , Miaowen Wen , Bo Ai , Rose Qingyang Hu

Reconfigurable intelligent surface (RIS) is a cutting-edge communication technology that has been proposed as aviable option for beyond fifth-generation wireless communication networks. This paper investigates various group selection…

系统与控制 · 电气工程与系统科学 2026-03-16 Lakshmikanta Sau , Priyadarshi Mukherjee , Sasthi C. Ghosh

The disaggregation of base stations into discrete RAN functions introduces new threats to mobile networks, as failures in one RAN function can trigger cascading failures and interrupt entire function chains, with potential to degrade…

网络与互联网体系结构 · 计算机科学 2026-05-18 Gabriel Almeida , Jacek Kibiłda , Joao F. Santos , Kleber Vieira Cardoso

This article delves into advancements in resource allocation techniques tailored for systems utilizing reconfigurable intelligent surfaces (RIS), with a primary focus on achieving low-complexity and resilient solutions. The investigation of…

信息论 · 计算机科学 2023-11-07 Ming Zeng , Wanming Hao , Zhangjie Peng , Zheng Chu , Xingwang Li , Changsheng You , Cunhua Pan