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In the envisioned 5G, uplink grant-free multiple access will become the enabler of ultra-reliable low-latency communications (URLLC) services. By removing the forward scheduling request (SR) and backward scheduling grant (SG), pilot-based…

信号处理 · 电气工程与系统科学 2019-09-05 Dongyang Xu , Pinyi Ren , Yichen Wang , James A. Ritcey

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…

网络与互联网体系结构 · 计算机科学 2019-03-06 Xiaohu Ge

Ultra-reliable low latency communication (URLLC) requires the packet error rate to be on the order of $10^{-9}$-$10^{-5}$. Determining the appropriate transmission rate to satisfy this ultra-reliability constraint requires deriving the…

信息论 · 计算机科学 2024-01-12 Niloofar Mehrnia , Sinem Coleri

The optimal design of the energy-efficient multiple-input multiple-output (MIMO) aided uplink ultra-reliable low-latency communications (URLLC) system is an important but unsolved problem. For such a system, we propose a novel…

信息论 · 计算机科学 2022-09-05 Linlin Zhao , Shaoshi Yang , Xuefen Chi , Wanzhong Chen , Shaodan Ma

This paper proposes exploiting the spatial correlation of wireless channel statistics beyond the conventional received signal strength maps by constructing statistical radio maps to predict any relevant channel statistics to assist…

信号处理 · 电气工程与系统科学 2022-08-17 Tobias Kallehauge , Pablo Ramìrez-Espinosa , Anders E. Kalør , Christophe Biscio , Petar Popovski

Ultra-reliable communication (URC) is a key enabler for supporting immersive and mission-critical 5G applications. Meeting the strict reliability requirements of these applications is challenging due to the absence of accurate statistical…

网络与互联网体系结构 · 计算机科学 2020-12-23 Sumudu Samarakoon , Mehdi Bennis , Walid Saad , Merouane Debbah

Ensuring ultra-reliable and low-latency communication (URLLC) for 5G wireless networks and beyond is of capital importance and is currently receiving tremendous attention in academia and industry. At its core, URLLC mandates a departure…

信息论 · 计算机科学 2018-08-24 Mehdi Bennis , Mérouane Debbah , H. Vincent Poor

Among the new types of connectivity unleashed by the emerging 5G wireless systems, Ultra-Reliable Low Latency Communication (URLLC) is perhaps the most innovative, yet challenging one. Ultra-reliability requires high levels of diversity,…

信息论 · 计算机科学 2020-07-10 Radosław Kotaba , Carles Navarro Manchón , Tommaso Balercia , Petar Popovski

As one indispensable use case for the 5G wireless systems on the roadmap, ultra-reliable and low latency communications (URLLC) is a crucial requirement for the coming era of wireless industrial automation. This paper aims to develop…

信息论 · 计算机科学 2018-05-16 Liang Liu , Wei Yu

Ultra-reliable low-latency communications (URLLC) has been considered as one of the three new application scenarios in the \emph{5th Generation} (5G) \emph {New Radio} (NR), where the physical layer design aspects have been specified. With…

信号处理 · 电气工程与系统科学 2019-03-12 Daquan Feng , Changyang She , Kai Ying , Lifeng Lai , Zhanwei Hou , Tony Q. S. Quek , Yonghui Li , Branka Vucetic

This paper reviews the state of the art channel coding techniques for ultra-reliable low latency communication (URLLC). The stringent requirements of URLLC services, such as ultra-high reliability and low latency, have made it the most…

In this paper, we study resource allocation algorithm design for secure multi-user downlink ultra-reliable low latency communication (URLLC). To enhance physical layer security (PLS), the base station (BS) is equipped with multiple antennas…

信息论 · 计算机科学 2020-03-02 Walid R. Ghanem , Vahid Jamali , Robert Schober

We propose a novel framework for optimizing antenna parameter settings in a heterogeneous cellular network. We formulate an optimization problem for both coverage and capacity - in both the downlink (DL) and uplink (UL) - which configures…

信号处理 · 电气工程与系统科学 2022-10-31 Ezgi Tekgul , Thomas Novlan , Salam Akoum , Jeffrey G. Andrews

The rapid development of the fifth generation mobile communication systems accelerates the implementation of vehicle-to-everything communications. Compared with the other types of vehicular communications, vehicle-to-vehicle (V2V)…

信息论 · 计算机科学 2020-02-19 Haojun Yang , Kuan Zhang , Kan Zheng , Yi Qian

5G new radio (NR) introduced flexible numerology to provide the necessary flexibility for multiplexing the communication of heterogeneous services on a shared channel. One of the fundamental challenges of 5G NR is to develop resource…

网络与互联网体系结构 · 计算机科学 2020-11-03 Nasim Ferdosian , Sara Berri , Arsenia Chorti

The transformative enhancements of fifth-generation (5G) mobile devices bring about new challenges to achieve better uplink (UL) performance. Particularly, in codebook-based transmission, the wide-band (WB) precoding and the legacy UL…

信息论 · 计算机科学 2023-10-31 Liu Cao , Yahia Shabara , Parisa Cheraghi

This paper presents an iterative detection and decoding scheme along with an adaptive strategy to improve the selection of access points (APs) in a grant-free uplink cell-free scenario. With the requirement for the APs to have…

信息论 · 计算机科学 2023-12-29 R. Di Renna , R. C. de Lamare

This paper explores the issue of enabling Ultra-Reliable Low-Latency Communications (URLLC) in view of the spatio-temporal correlations that characterize real 5th generation (5G) Industrial Internet of Things (IIoT) networks. In this…

网络与互联网体系结构 · 计算机科学 2023-02-27 Sara Cavallero , Nicole Sarcone Grande , Francesco Pase , Marco Giordani , Joseph Eichinger , Roberto Verdone , Michele Zorzi

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…

The demands of ultra-reliable low-latency communication (URLLC) in ``NextG" cellular networks necessitate innovative approaches for efficient resource utilisation. The current literature on 6G O-RAN primarily addresses improved mobile…

网络与互联网体系结构 · 计算机科学 2024-09-10 Rana M. Sohaib , Syed Tariq Shah , Poonam Yadav