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Channel decoding is a challenging task in communication channels exhibiting memory effects. In this work, we apply the recently proposed decoding paradigm of guessing random additive noise decoding (GRAND) to channels with memory, focusing…

信息论 · 计算机科学 2026-03-12 Zhuang Li , Wenyi Zhang

Guessing random additive noise decoding (GRAND) is a code-agnostic decoding method that iteratively guesses the noise pattern affecting the received codeword. The number of noise sequences to test depends on the noise realization. Thus,…

信号处理 · 电气工程与系统科学 2025-02-10 Filippo Christen , Darja Nonaca , Christoph Studer

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 interface diversity and integrate multiple…

信息论 · 计算机科学 2017-11-22 Jimmy J. Nielsen , Rongkuan Liu , Petar Popovski

CA-Polar codes have been selected for all control channel communications in 5G NR, but accurate, computationally feasible decoders are still subject to development. Here we report the performance of a recently proposed class of optimally…

信息论 · 计算机科学 2021-02-22 Ken Duffy , Amit Solomon , Kishori M. Konwar , Muriel Medard

In this paper, we study the problem of latency and reliability trade-off in ultra-reliable low-latency communication (URLLC) in the presence of decoding complexity constraints. We consider linear block encoded codewords transmitted over a…

信息论 · 计算机科学 2021-01-08 Hasan Basri Celebi , Antonios Pitarokoilis , Mikael Skoglund

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

Within the family of guessing-based decoding algorithms, ordered reliability bits GRAND (ORBGRAND) has attracted considerable attention due to its efficient use of soft information and suitability for hardware implementation. It has also…

信息论 · 计算机科学 2026-05-05 Zhuang Li , Wenyi Zhang

There have been significant advances in recent years in the development of forward error correction decoders that can decode codes of any structure, including practical realizations in synthesized circuits and taped out chips. While…

信号处理 · 电气工程与系统科学 2025-11-11 Jiewei Feng , Ken R. Duffy , Muriel Médard

We establish that during the execution of any Guessing Random Additive Noise Decoding (GRAND) algorithm, an interpretable, useful measure of decoding confidence can be evaluated. This measure takes the form of a log-likelihood ratio (LLR)…

信息论 · 计算机科学 2023-08-11 Ken R. Duffy , Muriel Medard

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

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

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

5G New Radio (NR) is expected to support new ultra-reliable low-latency communication (URLLC) service targeting at supporting the small packets transmissions with very stringent latency and reliability requirements. Current Long Term…

信号处理 · 电气工程与系统科学 2020-07-21 Yan Liu , Yansha Deng , Maged Elkashlan , Arumugam Nallanathan , George K. Karagiannidis

Quantum error correction codes (QECCs) play a central role in both quantum communications and quantum computation. Practical quantum error correction codes, such as stabilizer codes, are generally structured to suit a specific use, and…

量子物理 · 物理学 2023-10-30 Diogo Cruz , Francisco A. Monteiro , Bruno C. Coutinho

To support Ultra-Reliable and Low Latency Communications (URLLC) is an essential character of the 5th Generation (5G) communication system. Unlike the other two use cases defined in 5G, e.g. enhanced Mobile Broadband (eMBB) and massive…

信号处理 · 电气工程与系统科学 2022-06-01 Yuehong Gao , Changhao Sun , Xiaonan Zhang , Xiao Hong

This paper reviews the potential channel decoding techniques for ultra-reliable low-latency communications (URLLC). URLLC is renowned for its stringent requirements including ultra-reliability, low end-to-end transmission latency, and…

信息论 · 计算机科学 2022-12-26 Chentao Yue , Vera Miloslavskaya , Mahyar Shirvanimoghaddam , Branka Vucetic , Yonghui Li

In the classic wiretap model, Alice wishes to reliably communicate to Bob without being overheard by Eve who is eavesdropping over a degraded channel. Systems for achieving that physical layer security often rely on an error correction code…

信息论 · 计算机科学 2023-04-18 Muriel Médard , Ken R. Duffy

In this letter, we analyze the achievable rate of ultra-reliable low-latency communications (URLLC) in a randomly modeled wireless network. We use two mathematical tools to properly characterize the considered system: i) stochastic geometry…

信息论 · 计算机科学 2019-10-31 Jeonghun Park

The ultra-reliable and low-latency communication (URLLC) is the key driver of the current 5G new radio standardization. URLLC encompasses sporadic and small-payload transmissions that should be delivered within extremely tight radio latency…

信号处理 · 电气工程与系统科学 2019-09-26 Ali A. Esswie , Klaus I. Pedersen

We propose a massive parallel decoding GRAND framework. The framework introduces two novelties: 1. A likelihood function for $M$-QAM demodulated signals that effectively reduces the symbol error pattern space from $\mathcal{O}(5^{N/\log_2…

信息论 · 计算机科学 2024-05-06 Danilo Gligoroski , Sahana Sridhar , Katina Kralevska