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Network coding allows distributed information sources such as sensors to efficiently compress and transmit data to distributed receivers across a bandwidth-limited network. Classical network coding is largely task-agnostic -- the coding…

信息论 · 计算机科学 2022-11-02 Jiangnan Cheng , Sandeep Chinchali , Ao Tang

We propose a unified coded framework for distributed computing with straggling servers, by introducing a tradeoff between "latency of computation" and "load of communication" for some linear computation tasks. We show that the coded scheme…

信息论 · 计算机科学 2016-10-26 Songze Li , Mohammad Ali Maddah-Ali , A. Salman Avestimehr

To reduce computational complexity and delay in randomized network coded content distribution (and for some other practical reasons), coding is not performed simultaneously over all content blocks but over much smaller subsets known as…

信息论 · 计算机科学 2010-06-04 Yao Li , Emina Soljanin , Predrag Spasojevic

Two enablers of the 5th Generation (5G) of mobile communication systems are the high data rates achievable with millimeter-wave radio signals and the cloudification of the network's mobile edge, made possible also by Multi-access Edge…

信息论 · 计算机科学 2019-03-29 Nicola di Pietro , Mattia Merluzzi , Emilio Calvanese Strinati , Sergio Barbarossa

Despite the increasing adoption of Field-Programmable Gate Arrays (FPGAs) in compute clouds, there remains a significant gap in programming tools and abstractions which can leverage network-connected, cloud-scale, multi-die FPGAs to…

分布式、并行与集群计算 · 计算机科学 2024-02-05 Neha Prakriya , Yuze Chi , Suhail Basalama , Linghao Song , Jason Cong

In this paper, we study hierarchical codebook design for channel estimation in millimeter-wave (mmWave) communications with a hybrid precoding structure. Due to the limited saturation power of mmWave power amplifier (PA), we take the…

信息论 · 计算机科学 2016-03-10 Zhenyu Xiao , Pengfei Xia , Xiang-Gen Xia

Next generation high-performance RDMA-capable networks will require a fundamental rethinking of the design and architecture of modern distributed DBMSs. These systems are commonly designed and optimized under the assumption that the network…

数据库 · 计算机科学 2015-12-22 Carsten Binnig , Andrew Crotty , Alex Galakatos , Tim Kraska , Erfan Zamanian

We consider network coding for networks experiencing worst-case bit-flip errors, and argue that this is a reasonable model for highly dynamic wireless network transmissions. We demonstrate that in this setup prior network error-correcting…

信息论 · 计算机科学 2011-08-16 Qiwen Wang , Sidharth Jaggi , Shuo-Yen Robert Li

Physical-layer network coding (PNC) is a promising approach for wireless networks. It allows nodes to transmit simultaneously. Due to the difficulties of scheduling simultaneous transmissions, existing works on PNC are based on simplified…

网络与互联网体系结构 · 计算机科学 2013-05-15 Shiqiang Wang , Qingyang Song , Xingwei Wang , Abbas Jamalipour

Covering problems are well-studied in the domain of Operations Research, and, more specifically, in Location Science. When the location space is a network, the most frequent assumption is to consider the candidate facility locations, the…

最优化与控制 · 数学 2023-01-18 Mercedes Pelegrín , Liding Xu

In index coding, a server broadcasts multiple messages to their respective receivers, each with some side information that can be utilized to reduce the amount of communication from the server. Distributed index coding is an extension of…

信息论 · 计算机科学 2020-04-07 Yucheng Liu , Parastoo Sadeghi , Fatemeh Arbabjolfaei , Young-Han Kim

A subspace code is defined as a collection of subspaces of an ambient vector space, where each information-encoding codeword is a subspace. This paper studies a class of spatial sensing problems, notably direction of arrival (DoA)…

信号处理 · 电气工程与系统科学 2024-07-04 Hessam Mahdavifar , Robin Rajamäki , Piya Pal

Network coding enhances performance in network communications and distributed storage by increasing throughput and robustness while reducing latency. Batched Sparse (BATS) codes are a class of capacity-achieving network codes, but their…

硬件体系结构 · 计算机科学 2025-01-10 Jiaxin Qing , Philip H. W. Leong , Kin Hong Lee , Raymond W. Yeung

The omnipresence of IoT devices in Industry 4.0 is expected to foster higher reliability, safety, and efficiency. However, interconnecting a large number of wireless devices without jeopardizing the system performance proves challenging. To…

信号处理 · 电气工程与系统科学 2021-08-11 Luis F. Abanto-Leon , Matthias Hollick , Gek Hong Sim

A promising research area that has recently emerged, is on how to use index coding to improve the communication efficiency in distributed computing systems, especially for data shuffling in iterative computations. In this paper, we posit…

信息论 · 计算机科学 2018-05-04 Linqi Song , Christina Fragouli , Tianchu Zhao

Distributed computing platforms typically assume the availability of reliable and dedicated connections among the processors. This work considers an alternative scenario, relevant for wireless data centers and federated learning, in which…

信息论 · 计算机科学 2019-01-17 Sukjong Ha , Jingjing Zhang , Osvaldo Simeone , Joonhyuk Kang

This paper studies the theory of the additive wireless network model, in which the received signal is abstracted as an addition of the transmitted signals. Our central observation is that the crucial challenge for computing in this model is…

分布式、并行与集群计算 · 计算机科学 2015-08-18 Keren Censor-Hillel , Erez Kantor , Nancy Lynch , Merav Parter

Event cameras have the ability to capture asynchronous per-pixel brightness changes, called "events", offering advantages over traditional frame-based cameras for computer vision applications. Efficiently coding event data is critical for…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Abdelrahman Seleem , André F. R. Guarda , Nuno M. M. Rodrigues , Fernando Pereira

The idea of media-based modulation (MBM) is to embed information in the channel states via intentional perturbations of the transmission media. This article covers a broad range of topics regarding MBM, expanding on its benefits and…

信息论 · 计算机科学 2022-11-15 Ehsan Seifi , Amir K. Khandani , Mehran Atamanesh

We present the first empirical evaluation of techniques for encoding distributions of quantitative edge values within adjacency matrices. In many real-world networks, edges represent not a single value but a set of measurements. While…

人机交互 · 计算机科学 2026-04-17 Jorge Acosta-Hernández , Alexander Lex , Tingying He