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This work provides a comprehensive scaling law and performance analysis for multi-user massive MIMO relay networks, where the relay is equipped with massive antennas and uses MRC/MRT for low-complexity processing. CSI error is considered.…

Networking and Internet Architecture · Computer Science 2016-06-27 Qian Wang , Yindi Jing

In this article, we propose a novel formulation for the resource allocation problem of a sliced and disaggregated Radio Access Network (RAN) and its transport network. Our proposal assures an end-to-end delay bound for the Ultra-Reliable…

Networking and Internet Architecture · Computer Science 2023-06-06 Flávio G. C. Rocha , Gabriel M. F. de Almeida , Kleber V. Cardoso , Cristiano B. Both , José F. de Rezende

Supporting ultra-reliable low-latency communications (URLLC) is a major challenge of 5G wireless networks. Stringent delay and reliability requirements need to be satisfied for both scheduled and non-scheduled URLLC traffic to enable a…

Networking and Internet Architecture · Computer Science 2019-01-15 Amin Azari , Mustafa Ozger , Cicek Cavdar

This paper proposes an energy efficient resource allocation design algorithm for an intelligent reflecting surface (IRS)-assisted downlink ultra-reliable low-latency communication (URLLC) network. This setup features a multi-antenna base…

Signal Processing · Electrical Eng. & Systems 2023-09-27 Jalal Jalali , Filip Lemic , Hina Tabassum , Rafael Berkvens , Jeroen Famaey

An intelligent reflecting surface (IRS) is invoked for enhancing the energy harvesting performance of a simultaneous wireless information and power transfer (SWIPT) aided system. Specifically, an IRS-assisted SWIPT system is considered,…

Signal Processing · Electrical Eng. & Systems 2020-02-19 Cunhua Pan , Hong Ren , Kezhi Wang , Maged Elkashlan , Arumugam Nallanathan , Jiangzhou Wang , Lajos Hanzo

In this paper, we study resource allocation algorithm design for multi-user orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency communication (URLLC) in mobile edge computing (MEC) systems. To meet the stringent…

Information Theory · Computer Science 2022-11-10 Walid R. Ghanem , Vahid Jamali , Robert Schober

Fifth generation mobile communication systems (5G) have to accommodate both Ultra-Reliable Low-Latency Communication (URLLC) and enhanced Mobile Broadband (eMBB) services. While, eMBB applications support high data rates, URLLC services aim…

Information Theory · Computer Science 2022-05-11 Homa Nikbakht , Michèle Wigger , Malcolm Egan , Shlomo Shamai , Jean-Marie Gorce , H. Vincent Poor

Although multi-access edge computing (MEC) has allowed for computation offloading at the network edge, weak wireless signals in the radio access network caused by obstacles and high network load are still preventing efficient edge…

Signal Processing · Electrical Eng. & Systems 2023-12-15 Elie El Haber , Mohamed Elhattab , Chadi Assi , Sanaa Sharafeddine , Kim Khoa Nguyen

High reliability guarantees for Ultra-Reliable Low-Latency Communications (URLLC) require accurate knowledge of channel statistics, used as an input for rate selection. Exploiting the spatial consistency of channel statistics arises as a…

Information Theory · Computer Science 2022-09-23 Tobias Kallehauge , Anders E. Kalør , Pablo Ramírez-Espinosa , Maxime Guillaud , Petar Popovski

We consider the downlink of a single-cell multi-user MIMO system in which the base station makes use of $N$ antennas to communicate with $K$ single-antenna user equipments (UEs) randomly positioned in the coverage area. In particular, we…

Information Theory · Computer Science 2016-11-17 Luca Sanguinetti , Emil Bjornson , Merouane Debbah , Aris Moustakas

In this letter, a novel framework to deliver critical spread out URLLC services deploying unmanned aerial vehicles (UAVs) in an out-of-coverage area is developed. To this end, the resource optimization problem, i.e., resource blocks (RBs)…

Networking and Internet Architecture · Computer Science 2021-04-13 Shashi Raj Pandey , Kitae Kim , Madyan Alsenwi , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

In this paper, we develop a unified dynamic intelligent reflecting surface (IRS) beamforming framework to boost the sum computation rate of an IRS-aided mobile edge computing (MEC) system, where each device follows a binary offloading…

Information Theory · Computer Science 2022-06-01 Guangji Chen , Qingqing Wu

Autonomous vehicles are expected to emerge as a main trend in vehicle development over the next decade. To support autonomous vehicles, ultra-reliable low-latency communications (URLLC) is required between autonomous vehicles and…

Networking and Internet Architecture · Computer Science 2019-03-06 Xiaohu Ge

MIMO systems in the lower part of the millimeter-wave spectrum band (i.e., below 28 GHz) do not exhibit enough directivity and selectively, as their counterparts in higher bands of the spectrum (i.e., above 60 GHz), and thus still suffer…

Information Theory · Computer Science 2018-03-01 Hadi Ghauch , Taejoon Kim , Mats Bengtsson , Mikael Skoglund

Motivated by the current interest in ultra-reliable, low-latency, machine-type communication systems, we investigate the tradeoff between reliability, throughput, and latency in the transmission of information over multiple-antenna Rayleigh…

Information Theory · Computer Science 2016-11-17 Giuseppe Durisi , Tobias Koch , Johan Östman , Yury Polyanskiy , Wei Yang

Although the multi-antenna or so-called multiple-input multiple-output (MIMO) transmission has been the enabling technology for the past generations of radio-frequency (RF)-based wireless communication systems, its application to the…

Information Theory · Computer Science 2023-02-09 Shiyuan Sun , Weidong Mei , Fang Yang , Nan An , Jian Song , Rui Zhang

In this article, we study the collocated and distributed deployment of intelligent reflecting surfaces (IRS) for a fixed total number of IRS elements to support enhanced mobile broadband (eMBB) and ultra-reliable low-latency communication…

Information Theory · Computer Science 2023-11-15 Yixin Zhang , Saeed R. Khosravirad , Xiaoli Chu , Mikko A. Uusitalo

In this correspondence, we analyze the performance of a reconfigurable intelligent surface (RIS)-aided communication system that involves a fluid antenna system (FAS)-enabled receiver. By applying the central limit theorem (CLT), we derive…

Signal Processing · Electrical Eng. & Systems 2024-08-27 Xiazhi Lai , Junteng Yao , Kangda Zhi , Tuo Wu , David Morales-Jimenez , Kai-Kit Wong

We analyze the trade-off between the undetected error probability (i.e., the probability that the channel decoder outputs an erroneous message without detecting the error) and the total error probability in the short blocklength regime. We…

Information Theory · Computer Science 2025-03-05 Alexander Sauter , A. Oguz Kislal , Giuseppe Durisi , Gianluigi Liva , Balazs Matuz , Erik G. Ström

The cloud radio access network (C-RAN) has become the foundational structure for various emerging communication paradigms, leveraging the flexible deployment of distributed access points (APs) and centralized task processing. In this paper,…

Information Theory · Computer Science 2023-11-17 Chang Wu , Hancheng Lu , Yuang Chen , Langtian Qin
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