Results 41 to 50 of about 8,334 (202)

Multi-Cell Reception for Uplink Grant-Free Ultra-Reliable Low-Latency Communications

open access: yesIEEE Access, 2019
The fifth-generation (5G) radio networks will support ultra-reliable low-latency communications (URLLC). In the uplink, the latency can be reduced by removing the time-consuming and error-prone scheduling procedure and, instead, using the grant-free (GF)
Thomas H. Jacobsen   +5 more
doaj   +1 more source

Reconfigurable intelligent surface assisted resource optimization method for heterogeneous network

open access: yesTongxin xuebao, 2022
For reconfigurable intelligent surface (RIS)-assisted heterogeneous network slicing, a resource optimization method with joint resource allocation and phase shift optimization was proposed.A joint optimization problem with different objectives was ...
Xianhao SHEN, Ziling ZENG, Shaohua NIU
doaj   +2 more sources

A Hybrid Scheme of MCS Selection and Spectrum Allocation for URLLC Traffic under Delay and Reliability Constraints

open access: yesEntropy, 2022
The Ultra-Reliable Low-Latency Communication (URLLC) is expected to be an important feature of 5G and beyond networks. Supporting URLLC in a resource-efficient manner demands optimal Modulation and Coding Scheme (MCS) selection and spectrum allocation ...
Yuehong Gao   +3 more
doaj   +1 more source

Contract-Based Scheduling of URLLC Packets in Incumbent EMBB Traffic

open access: yesIEEE Access, 2020
Recently, the coexistence of ultra-reliable and low-latency communication (URLLC) and enhanced mobile broadband (eMBB) services on the same licensed spectrum has gained a lot of attention from both academia and industry. However, the coexistence of these
Aunas Manzoor   +3 more
doaj   +1 more source

A Survey on Physical Layer Security of Ultra/Hyper Reliable Low Latency Communication in 5G and 6G Networks: Recent Advancements, Challenges, and Future Directions

open access: yesIEEE Access
Ultra-reliable low latency communication (URLLC) is an innovative service offered by fifth-generation (5G) wireless systems. URLLC enables various mission-critical applications by facilitating reliable and low-latency signal transmission.
Annapurna Pradhan   +3 more
doaj   +1 more source

Cognitive UAV-Aided URLLC and mMTC Services: Analyzing Energy Efficiency and Latency

open access: yesIEEE Access, 2021
The integration of unmanned aerial vehicles (UAVs) into spectrum sensing cognitive communication networks can offer many benefits for massive connectivity services in 5G communications and beyond; hence, this work analyses the performance of non ...
Saifur Rahman Sabuj   +4 more
doaj   +1 more source

Massive MIMO for Internet of Things (IoT) Connectivity

open access: yes, 2019
Massive MIMO is considered to be one of the key technologies in the emerging 5G systems, but also a concept applicable to other wireless systems. Exploiting the large number of degrees of freedom (DoFs) of massive MIMO essential for achieving high ...
Abrão, Taufik   +6 more
core   +1 more source

Frameless ALOHA with Reliability-Latency Guarantees [PDF]

open access: yes, 2017
One of the novelties brought by 5G is that wireless system design has increasingly turned its focus on guaranteeing reliability and latency. This shifts the design objective of random access protocols from throughput optimization towards constraints ...
Lazaro, Francisco   +2 more
core   +2 more sources

5G多路冗余传输技术综述

open access: yesDianxin kexue
当前社会正处在科技高速发展的时代,无线通信技术的迅猛发展不仅推动了工业、交通、医疗等领域的数字化转型,也在不断升级无线通信网络,试图从有线向无线化迈进。随着计算机技术和无线通信技术的不断演进,许多应用场景要求在无线环境下实现高可靠传输。特别是面向现代工业自动化、自动驾驶等领域,对高可靠传输的需求更为迫切。深入研究了作为当前业界最先进的无线传输技术之一的5G技术,重点关注了5G系统内多路冗余传输技术。综述了该技术在应用背景、技术原理和技术路线方面的关键要点。在应用背景方面 ...
马帅, 杨博涵, 羊峰波, 韦安妮, 郑成龙
doaj   +1 more source

Online Radio Pattern Optimization Based on Dual Reinforcement-Learning Approach for 5G URLLC Networks

open access: yesIEEE Access, 2020
The fifth generation (5G) radio access technology is designed to support highly delay-sensitive applications, i.e., ultra-reliable and low-latency communications (URLLC).
Ali A. Esswie   +2 more
doaj   +1 more source

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