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This paper investigates unequal error protection (UEP) in digital semantic communication, where semantically important bits require substantially higher reliability than less critical ones. To characterize this heterogeneity, we introduce a…

信息论 · 计算机科学 2026-03-09 Seonjung Kim , Yongjeong Oh , Yongjune Kim , Namyoon Lee , Yo-Seb Jeon

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

We consider a setting in which a sender wishes to broadcast a block of K data packets to a set of wireless receivers, where each of the receivers has a subset of the data packets already available to it (e.g., from prior transmissions) and…

信息论 · 计算机科学 2015-03-16 Mingchao Yu , Alex Sprintson , Parastoo Sadeghi

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…

信息论 · 计算机科学 2019-09-30 Alejandro Cohen , Derya Malak , Vered Bar Bracha , Muriel Medard

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

We consider the problem of post-quantum secure and ultra-reliable communication through a heterogeneous network consisting of multiple connections. Three performance metrics are considered: security, throughput, and in-order delivery delay.…

信息论 · 计算机科学 2021-08-17 Rafael G. L. D'Oliveira , Alejandro Cohen , John Robinson , Thomas Stahlbuhk , Muriel Médard

Reliability is an important requirement for both communication and storage systems. Due to continuous scale down of technology multiple adjacent bits error probability increases. The data may be corrupted due soft errors. Error correction…

硬件体系结构 · 计算机科学 2020-02-19 Sayan Tripathi , Jhilam Jana , Jaydeb Bhaumik

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

This paper investigates the orthogonal time frequency space (OTFS) transmission for enabling ultra-reliable low-latency communications (URLLC). To guarantee excellent reliability performance, pragmatic precoder design is an effective and…

信号处理 · 电气工程与系统科学 2022-12-29 Chang Liu , Shuangyang Li , Weijie Yuan , Xuemeng Liu , Derrick Wing Kwan Ng

Most of the recent advances in the design of high-speed wireless systems are based on information-theoretic principles that demonstrate how to efficiently transmit long data packets. However, the upcoming wireless systems, notably the 5G…

信息论 · 计算机科学 2016-03-02 Giuseppe Durisi , Tobias Koch , Petar Popovski

Traditional communication theory focuses on minimizing transmit power. However, communication links are increasingly operating at shorter ranges where transmit power can be significantly smaller than the power consumed in decoding. This…

信息论 · 计算机科学 2011-02-17 Pulkit Grover , Kristen Ann Woyach , Anant Sahai

Random Linear Network Coding (RLNC) has emerged as a powerful tool for robust high-throughput multicast. Projection analysis - a recently introduced technique - shows that the distributed packetized RLNC protocol achieves (order) optimal…

信息论 · 计算机科学 2011-02-17 Bernhard Haeupler , Muriel Médard

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

The emerging interest in low-latency high-reliability applications, such as connected vehicles, necessitates a new abstraction between communication and control. Thanks to advances in cyber-physical systems over the past decades, we…

最优化与控制 · 数学 2018-10-31 Konstantinos Gatsis , Hamed Hassani , George J. Pappas

Short-packet communication is a key technology to support two emerging application scenarios in 5G and beyond 5G, massive machine type communication (mMTC) and ultra-reliable low latency communication (uRLLC), which are introduced to…

信息论 · 计算机科学 2021-07-14 Chen Feng , Hui-ming Wang

The problem of enabling the coexistence of heterogeneous services, e.g., different ultra-reliable low-latency communications (URLLC) services and/or enhanced mobile broadband (eMBB) services, in the uplink is studied. Each service has its…

信息论 · 计算机科学 2023-08-21 Min Qiu , Yu-Chih Huang , Jinhong Yuan

For ultra-reliable, low-latency communications (URLLC) applications such as mission-critical industrial control and extended reality (XR), it is important to ensure the communication quality of individual packets. Prior studies have…

网络与互联网体系结构 · 计算机科学 2023-06-21 Zhibo Meng , Hongwei Zhang , James Gross

LDPC (Low Density Parity Check) codes are among the most powerful and widely adopted modern error correcting codes. The iterative decoding algorithms required for these codes involve high computational complexity and high processing…

硬件体系结构 · 计算机科学 2011-05-16 Carlo Condo , Guido Masera

A superimposed code is a collection of binary vectors (codewords) with the property that no vector is contained in the Boolean sum of any $k$ others, enabling unique identification of codewords within any group of $k$. Superimposed codes…

数据结构与算法 · 计算机科学 2025-08-05 Gianluca De Marco , Dariusz R. Kowalski

We study the problem of learning-based attacks in linear systems, where the communication channel between the controller and the plant can be hijacked by a malicious attacker. We assume the attacker learns the dynamics of the system from…

系统与控制 · 电气工程与系统科学 2021-05-21 Anshuka Rangi , Mohammad Javad Khojasteh , Massimo Franceschetti