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Managing inter-cell interference is among the major challenges in a wireless network, more so when strict quality of service needs to be guaranteed such as in ultra-reliable low latency communications (URLLC) applications. This study…

信号处理 · 电气工程与系统科学 2023-10-10 Samitha Gunarathne , Thushan Sivalingam , Nurul Huda Mahmood , Nandana Rajatheva , Matti Latva-Aho

We introduce a new algorithm for realizing Maximum Likelihood (ML) decoding in discrete channels with or without memory. In it, the receiver rank orders noise sequences from most likely to least likely. Subtracting noise from the received…

信息论 · 计算机科学 2019-08-12 Ken R. Duffy , Jiange Li , Muriel Médard

This paper considers a transmitter, which uses random linear coding (RLC) to encode data packets. The generated coded packets are broadcast to one or more receivers. A receiver can recover the data packets if it gathers a sufficient number…

信息论 · 计算机科学 2022-05-05 Ioannis Chatzigeorgiou

One fundamental challenge in 5G URLLC is how to optimize massive MIMO systems for achieving low latency and high reliability. A natural design choice to maximize reliability and minimize retransmission is to select the lowest allowed target…

信息论 · 计算机科学 2024-10-30 Xu Du , Yin Sun , Ness B. Shroff , Ashutosh Sabharwal

The fifth generation (5G) of wireless systems holds the promise of supporting a wide range of services with different communication requirements. Ultra-reliable low-latency communications (URLLC) is a generic service that enables…

信号处理 · 电气工程与系统科学 2018-03-14 Hamidreza Shariatmadari , Sassan Iraji , Riku Jantti , Petar Popovski , Zexian Li , Mikko A. Uusitalo

Multiple-input multiple-output (MIMO) technology applied with orthogonal frequency division multiplexing (OFDM) is considered as the ultimate solution to increase channel capacity without any additional spectral resources. At the receiver…

信息论 · 计算机科学 2010-05-28 Manar Mohaisen , KyungHi Chang

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…

信号处理 · 电气工程与系统科学 2025-07-30 Enrico Testi , Enrico Paolini

An important ingredient of the future 5G systems will be Ultra-Reliable Low-Latency Communication (URLLC). A way to offer URLLC without intervention in the baseband/PHY layer design is to use \emph{interface diversity} and integrate…

信息论 · 计算机科学 2017-12-15 Jimmy J. Nielsen , Rongkuan Liu , Petar Popovski

This paper investigates the ultra reliable and low latency communication (URLLC) performance of the IRS-aided MIMO system. The upper and lower bounds of the optimal average error probability (OAEP) for the coding rate 1/sqrt(Mn) of the…

信息论 · 计算机科学 2024-02-22 Xin Zhang , Shenghui Song

The lower bound on the decoding error probability for the optimal code given a signal-to-noise ratio and a code rate are investigated in this letter for the reconfigurable intelligent surface (RIS) communication system over a Rician fading…

信息论 · 计算机科学 2023-06-28 Likun Sui , Zihuai Lin

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 to…

密码学与安全 · 计算机科学 2024-04-15 Annapurna Pradhan , Susmita Das , Md. Jalil Piran , Zhu Han

Ultra-reliable low latency communication (URLLC) is one of three primary use cases in the fifth-generation (5G) networks, and its research is still in its infancy due to its stringent and conflicting requirements in terms of extremely high…

信号处理 · 电气工程与系统科学 2020-02-14 Hong Ren , Cunhua Pan , Yansha Deng , Maged Elkashlan , Arumugam Nallanathan

This paper proposes a unified semi-blind detection framework for sourced and unsourced random access (RA), which enables next-generation ultra-reliable low-latency communications (URLLC) with massive devices. Specifically, the active…

信息论 · 计算机科学 2023-03-21 Malong Ke , Zhen Gao , Mingyu Zhou , Dezhi Zheng , Derrick Wing Kwan Ng , H. Vincent Poor

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

Next-generation wireless communication systems impose much stricter requirements for transmission rate, latency, and reliability. The peak data rate of 6G networks should be no less than 1 Tb/s, which is comparable to existing long-haul…

信息论 · 计算机科学 2024-10-28 Kirill Andreev , Pavel Rybin , Alexey Frolov

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…

网络与互联网体系结构 · 计算机科学 2018-05-14 Arjun Anand , Gustavo de Veciana

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…

Ultra reliable and low latency communications (URLLC) is a new service category in 5G to accommodate emerging services and applications having stringent latency and reliability requirements. In order to support URLLC, there should be both…

信息论 · 计算机科学 2018-08-24 Hyoungju Ji , Sunho Park , Jeongho Yeo , Younsun Kim , Juho Lee , Byonghyo Shim

Ultra reliable low latency communications (URLLC) is one of the most promising and demanding services in 5G systems. This service requires very low latency of less than $1-10$ ms and very high transmission reliability: the acceptable packet…

网络与互联网体系结构 · 计算机科学 2024-02-27 Andrey Belogaev , Evgeny Khorov , Artem Krasilov , Dmitri Shmelkin , Suwen Tang

The design and implementation of error correcting codes has long been informed by two fundamental results: Shannon's 1948 capacity theorem, which established that long codes use noisy channels most efficiently; and Berlekamp, McEliece, and…

信息论 · 计算机科学 2024-10-30 Ken R. Duffy , Muriel Médard , Wei An