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A proper channel modeling methodology that characterizes the statistics of extreme events is key in the design of a system at an ultra-reliable regime of operation. The strict constraint of ultra-reliability corresponds to the packet error…

信号处理 · 电气工程与系统科学 2024-01-12 Niloofar Mehrnia , Sinem Coleri

This paper introduces a sophisticated and adaptable framework combining extreme value theory with radio maps to spatially model extreme channel conditions accurately. Utilising existing signal-to-noise ratio (SNR) measurements and…

网络与互联网体系结构 · 计算机科学 2024-04-09 Dian Echevarría Pérez , Onel L. Alcaraz López , Hirley Alves

Notwithstanding the significant traction gained by ultra-reliable and low-latency communication (URLLC) in both academia and 3GPP standardization, fundamentals of URLLC remain elusive. Meanwhile, new immersive and high-stake control…

Accurate reliability modeling for ultra-reliable low latency communication (URLLC) and hyper-reliable low latency communication (HRLLC) networks is challenging due to the complex interactions between network layers required to meet…

网络与互联网体系结构 · 计算机科学 2025-02-03 Anudeep Karnam , Jobish John , Kishor C. Joshi , George Exarchakos , Sonia Heemstra de Groot , Ignas Niemegeers

We analyze a cooperative wireless communication system with finite block length and finite battery energy, under quasi-static Rayleigh fading. Source and relay nodes are powered by a wireless energy transfer (WET) process, while using the…

信息论 · 计算机科学 2018-01-03 Onel L. A. López , Evelio M. G. Fernández , Richard D. Souza , Hirley Alves

The strict latency and reliability requirements of ultra-reliable low-latency communications (URLLC) use cases are among the main drivers in fifth generation (5G) network design. Link adaptation (LA) is considered to be one of the…

信号处理 · 电气工程与系统科学 2020-07-02 Alessandro Brighente , Jafar Mohammadi , Paolo Baracca

Ultra-reliable and low-latency communications (URLLC) is expected to be supported without compromising the resource usage efficiency. In this paper, we study how to maximize energy efficiency (EE) for URLLC under the stringent quality of…

信息论 · 计算机科学 2017-08-01 Chengjian Sun , Changyang She , Chenyang Yang

With the rise of critical machine-to-machine applications, next generation wireless communication systems must be designed with strict constraints on the latency and reliability. A key question in this context relates to channel state…

信息论 · 计算机科学 2017-06-06 Sebastian Schiessl , Hussein Al-Zubaidy , Mikael Skoglund , James Gross

6G networks are composed of subnetworks expected to meet ultra-reliable low-latency communication (URLLC) requirements for mission-critical applications such as industrial control and automation. An often-ignored aspect in URLLC is…

系统与控制 · 电气工程与系统科学 2025-07-17 Fateme Salehi , Aamir Mahmood , Sarder Fakhrul Abedin , Kyi Thar , Mikael Gidlund

We aim to achieve keyless covert communication with a positive-rate in Rayleigh block-fading channels. Specifically, the transmitter and the legitimate receiver are assumed to have either causal or non-causal knowledge of the \ac{CSI} for…

信息论 · 计算机科学 2026-03-10 Yubo Zhang , Hassan ZivariFard , Xiaodong Wang

The challenging applications envisioned for the future Internet of Things networks are making it urgent to develop fast and scalable resource allocation algorithms able to meet the stringent reliability and latency constraints typical of…

网络与互联网体系结构 · 计算机科学 2025-03-03 Federico Librino , Paolo Santi

This paper investigates the resource management problem in multi-carrier rate-splitting multiple access (MC-RSMA) systems with imperfect channel state information (CSI) and successive interference cancellation (SIC) for ultra-reliable and…

信号处理 · 电气工程与系统科学 2024-04-23 Xiaoyu Ou , Shuping Dang , Zhihan Ren , Angela Doufexi

Mission-critical applications require Ultra-Reliable Low Latency (URLLC) wireless connections, where the packet error rate (PER) goes down to $10^{-9}$. Fulfillment of the bold reliability figures becomes meaningful only if it can be…

信息论 · 计算机科学 2018-09-17 Marko Angjelichinoski , Kasper Fløe Trillingsgaard , Petar Popovski

In this paper, we study the problem of dynamic channel allocation for URLLC traffic in a multi-user multi-channel wireless network where urgent packets have to be successfully transmitted in a timely manner. We formulate the problem as a…

网络与互联网体系结构 · 计算机科学 2018-11-08 Nesrine Ben-Khalifa , Mohamad Assaad , Mérouane Debbah

In this paper, we address the design of multi-user multiple-input single-output (MU-MISO) precoders for indoor visible light communication (VLC) systems. The goal is to minimize the transmitted optical power per light emitting diode (LED)…

信号处理 · 电气工程与系统科学 2024-12-04 Olga Muñoz , Antonio Pascual-Iserte , Guillermo San Arranz

A multiple-input single-output cognitive radio downlink network is studied with simultaneous wireless information and power transfer. In this network, a secondary user coexists with multiple primary users and multiple energy harvesting…

信息论 · 计算机科学 2016-02-23 Fuhui Zhou , Zan Li , Julian Cheng , Qunwei Li , Jiangbo Si

In this paper, we propose beamforming schemes to simultaneously transmit data securely to multiple information receivers (IRs) while transferring power wirelessly to multiple energy-harvesting receivers (ERs). Taking into account the…

信息论 · 计算机科学 2017-05-19 Tuan Anh Le , Quoc-Tuan Vien , Huan X. Nguyen , Derrick Wing Kwan Ng , Robert Schober

To guarantee excellent reliability performance in ultra-reliable low-latency communications (URLLC), pragmatic precoder design is an effective approach. However, an efficient precoder design highly depends on the accurate instantaneous…

信息论 · 计算机科学 2023-04-24 Chang Liu , Shuangyang Li , Weijie Yuan , Xuemeng Liu , Derrick Wing Kwan Ng

We consider a robust beamforming problem where large amount of downlink (DL) channel state information (CSI) data available at a multiple antenna access point (AP) is used to improve the link quality to a user equipment (UE) for beyond-5G…

信息论 · 计算机科学 2023-08-15 Sai Subramanyam Thoota , Joao Vieira , Erik G. Larsson

In this work, we propose an approach to robust precoder design based on a minorization maximization technique that optimizes a surrogate function of the achievable spectral efficiency. The presented method accounts for channel estimation…

信号处理 · 电气工程与系统科学 2024-11-06 Donia Ben Amor , Michael Joham , Wolfgang Utschick