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Supporting ultra-reliable and low-latency communication (URLLC) is a challenge in current wireless systems. Channel codes that generate large codewords improve reliability but necessitate the use of interleavers, which introduce undesirable…

Information Theory · Computer Science 2023-07-12 Sahar Allahkaram , Francisco A. Monteiro , Ioannis Chatzigeorgiou

Ultra-reliable and low-latency communications (URLLC) is firstly proposed in 5G networks, and expected to support applications with the most stringent quality-of-service (QoS). However, since the wireless channels vary dynamically, the…

Signal Processing · Electrical Eng. & Systems 2023-05-26 Kang Li , Pengcheng Zhu , Yan Wang , Fu-Chun Zheng , Xiaohu You

Ultra-reliable low-latency communication (URLLC) constitutes a key service class of the fifth generation and beyond cellular networks. Notably, designing and supporting URLLC poses a herculean task due to the fundamental need to identify…

Networking and Internet Architecture · Computer Science 2023-11-23 Onel López , Nurul Mahmood , Mohammad Shehab , Hirley Alves , Osmel Rosabal , Leatile Marata , Matti Latva-aho

5G wireless networks are expected to support Ultra Reliable Low Latency Communications (URLLC) traffic which requires very low packet delays ( < 1 msec.) and extremely high reliability ($\sim$99.999\%). In this paper we focus on the design…

Networking and Internet Architecture · Computer Science 2018-05-14 Arjun Anand , Gustavo de Veciana

Ultra-reliable low-latency communication (URLLC) is the cornerstone for a broad range of emerging services in next-generation wireless networks. URLLC fundamentally relies on the network's ability to proactively determine whether sufficient…

Machine Learning · Computer Science 2024-01-09 Omid Semiari , Hosein Nikopour , Shilpa Talwar

Ultra-reliable and low-latency communications (URLLC) have stringent requirements on quality-of-service and network availability. Due to path loss and shadowing, it is very challenging to guarantee the stringent requirements of URLLC with…

Information Theory · Computer Science 2018-06-19 Changyang She , Zhengchuan Chen , Chenyang Yang , Tony Q. S. Quek , Yonghui Li , Branka Vucetic

Ultra-reliable low-latency communications (URLLC) demand decoding algorithms that simultaneously offer high reliability and low complexity under stringent latency constraints. While iterative decoding schemes for LDPC and Polar codes offer…

Signal Processing · Electrical Eng. & Systems 2025-07-30 Enrico Testi , Enrico Paolini

Ultra reliable and low latency communication (URLLC) is a newly introduced service category in 5G to support delay-sensitive applications. In order to support this new service category, 3rd Generation Partnership Project (3GPP) sets an…

Information Theory · Computer Science 2018-08-02 Hyoungju Ji , Sunho Park , Byonghyo Shim

The uplink of a cloud radio access network architecture is studied in which decoding at the cloud takes place via network function virtualization on commercial off-the-shelf servers. In order to mitigate the impact of straggling decoders in…

Information Theory · Computer Science 2018-08-29 Malihe Aliasgari , Jörg Kliewer , Osvaldo Simeone

We propose a novel adaptive and causal random linear network coding (AC-RLNC) algorithm with forward error correction (FEC) for a point-to-point communication channel with delayed feedback. AC-RLNC is adaptive to the channel condition, that…

Information Theory · Computer Science 2019-09-30 Alejandro Cohen , Derya Malak , Vered Bar Bracha , Muriel Medard

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

Ultra-reliable low latency communication (URLLC) is an important new feature brought by 5G, with a potential to support a vast set of applications that rely on mission-critical links. In this article, we first discuss the principles for…

How to provide information security while fulfilling ultra reliability and low-latency requirements is one of the major concerns for enabling the next generation of ultra-reliable and low-latency communications service (xURLLC), specially…

Information Theory · Computer Science 2023-03-09 Yao Zhu , Xiaopeng Yuan , Yulin Hu , Rafael F. Schaefer , Anke Schmeink

In this paper, we analyze the coding delay and the average coding delay of random linear network codes (a.k.a. dense codes) and chunked codes (CC), which are an attractive alternative to dense codes due to their lower complexity, over line…

Information Theory · Computer Science 2012-07-26 Anoosheh Heidarzadeh , Amir H. Banihashemi

Variable-length feedback coding has the potential to significantly enhance communication reliability in finite block length scenarios by adapting coding strategies based on real-time receiver feedback. Designing such codes, however, is…

Information Theory · Computer Science 2024-11-14 Wenwei Lai , Yulin Shao , Yu Ding , Deniz Gunduz

This paper studies the problem of broadcasting layered video streams over heterogeneous single-hop wireless networks using feedback-free random linear network coding (RLNC). We combine RLNC with unequal error protection (UEP) and our main…

Information Theory · Computer Science 2015-05-20 Mohammad Esmaeilzadeh , Parastoo Sadeghi , Neda Aboutorab

This article examines the queueing performance of communication systems that transmit encoded data over unreliable channels. A fading formulation suitable for wireless environments is considered where errors are caused by a discrete channel…

Information Theory · Computer Science 2013-09-16 Fatemeh Hamidi-Sepehr , Henry D. Pfister , Jean-Francois Chamberland

The future connectivity landscape and, notably, the 5G wireless systems will feature Ultra-Reliable Low Latency Communication (URLLC). The coupling of high reliability and low latency requirements in URLLC use cases makes the wireless…

Driven by the explosive growth of Internet of Things (IoT) devices with stringent requirements on latency and reliability, ultra-reliability and low latency communication (uRLLC) has become one of the three key communication scenarios for…

Information Theory · Computer Science 2020-11-30 Shiwen He , Zhenyu An , Jianyue Zhu , Jian Zhang , Yongming Huang , Yaoxue Zhang

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…

Networking and Internet Architecture · Computer Science 2025-02-03 Anudeep Karnam , Jobish John , Kishor C. Joshi , George Exarchakos , Sonia Heemstra de Groot , Ignas Niemegeers