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Li {\it et al}. introduced coded distributed computing (CDC) scheme to reduce the communication load in general distributed computing frameworks such as MapReduce. They also proposed cascaded CDC schemes where each output function is…

Information Theory · Computer Science 2021-11-25 Jing Jiang , Lingxiao Qu

This paper considers a two-hop network architecture known as a combination network, where a layer of relay nodes connects a server to a set of end users. In particular, a new model is investigated where the intermediate relays employ caches…

Information Theory · Computer Science 2017-12-14 Ahmed A. Zewail , Aylin Yener

We consider the centralized coded caching system where a library of files is available at the server and their subfiles are cached at the clients as prescribed by a placement delivery array (PDA). We are interested in the problem where a…

Information Theory · Computer Science 2021-05-18 Suman Ghosh , Prasad Krishnan , Lakshmi Prasad Natarajan

We present a novel caching and coded delivery scheme for a multi-access network where multiple users can have access to the same cache (shared cache) and any cache can assist multiple users. This scheme is obtained from resolvable designs…

Information Theory · Computer Science 2020-06-12 Digvijay Katyal , Pooja Nayak M , B. Sundar Rajan

We consider the $(K,L,M,N)$ multi-access coded caching system introduced by Hachem et al., which consists of a central server with $N$ files and $K$ cache nodes, each of memory size $M$, where each user can access $L$ cache nodes in a…

Information Theory · Computer Science 2026-03-17 Mengyuan Li , Minquan Cheng , Kai Wan , Giuseppe Caire

We consider a cache-aided wireless device-to-device (D2D) network of the type introduced by Ji, Caire, and Molisch [1], where the placement phase is orchestrated by a central server. We assume that the devices' caches are filled with…

Information Theory · Computer Science 2021-06-15 Çağkan Yapar , Kai Wan , Rafael F. Schaefer , Giuseppe Caire

Caching at the wireless edge nodes is a promising way to boost the spatial and spectral efficiency, for the sake of alleviating networks from content-related traffic. Coded caching originally introduced by Maddah-Ali and Niesen…

Information Theory · Computer Science 2022-03-18 Kai Wan , Minquan Cheng , Mari Kobayashi , Giuseppe Caire

Recently multi-access coded caching schemes with number of users different from the number of caches obtained from a special case of resolvable designs called Cross Resolvable Designs (CRDs) have been reported and a new performance metric…

Information Theory · Computer Science 2021-05-18 Pooja Nayak Muralidhar , Digvijay Katyal , B. Sundar Rajan

We consider the classical coded caching problem as defined by Maddah-Ali and Niesen, where a server with a library of $N$ files of equal size is connected to $K$ users via a shared error-free link. Each user is equipped with a cache with…

Information Theory · Computer Science 2018-07-10 Sian Jin , Ying Cui , Hui Liu , Giuseppe Caire

Networked embedded systems typically leverage a collection of low-power embedded systems (nodes) to collaboratively execute applications spanning diverse application domains (e.g., video, image processing, communication, etc.) with diverse…

Hardware Architecture · Computer Science 2016-02-16 Tosiron Adegbija , Ann Gordon-Ross , Arslan Munir

With the advent of 5G networks and the rise of the Internet of Things (IoT), Content Delivery Networks (CDNs) are increasingly extending into the network edge. This shift introduces unique challenges, particularly due to the limited cache…

Networking and Internet Architecture · Computer Science 2024-04-05 Hoda Torabi , Hamzeh Khazaei , Marin Litoiu

Content delivery networks often employ caching to reduce transmission rates from the central server to the end users. Recently, the technique of coded caching was introduced whereby coding in the caches and coded transmission signals from…

Information Theory · Computer Science 2016-02-16 Hooshang Ghasemi , Aditya Ramamoorthy

Recently, the growing memory demands of embedding tables in Deep Learning Recommendation Models (DLRMs) pose great challenges for model training and deployment. Existing embedding compression solutions cannot simultaneously meet three key…

Machine Learning · Computer Science 2024-03-28 Hailin Zhang , Zirui Liu , Boxuan Chen , Yikai Zhao , Tong Zhao , Tong Yang , Bin Cui

In a secure coded caching system, a central server balances the traffic flow between peak and off-peak periods by distributing some public data to the users' caches in advance. Meanwhile, these data are securely protected against the…

Information Theory · Computer Science 2019-10-21 Kangning Ma , Shuo Shao

Coded Caching is a promising solution to reduce the peak traffic in broadcast networks by prefetching the popular content close to end users and using coded transmissions. One of the chief issues of most coded caching schemes in literature…

Information Theory · Computer Science 2019-02-26 Hari Hara Suthan Chittoor , Bhavana M , Prasad Krishnan

Placement delivery arrays for distributed computing (Comp-PDAs) have recently been proposed as a framework to construct universal computing schemes for MapReduce-like systems. In this work, we extend this concept to systems with straggling…

Information Theory · Computer Science 2020-04-28 Qifa Yan , Michèle Wigger , Sheng Yang , Xiaohu Tang

This paper investigates the coded caching problem in a multi-access multiple-input single-output (MAMISO) network with the combinatorial topology. The considered system consists of a server containing $N$ files, $\Lambda$ cache nodes, and…

Information Theory · Computer Science 2026-01-19 Siying Luo , Youlong Wu , Mingming Zhang , Minquan Cheng , Dianhua Wu

Coded caching is used to reduce network congestion during peak hours. A single server is connected to a set of users through a bottleneck link, which generally is assumed to be error-free. During non-peak hours, all the users have full…

Information Theory · Computer Science 2017-12-22 Nujoom Sageer Karat , Anoop Thomas , B. Sundar Rajan

Exponentially growing subpacketization is known to be a major issue for practical implementation of coded caching, specially in networks with multi-antenna communication setups. We provide a new coded caching scheme for such networks, which…

Information Theory · Computer Science 2019-10-30 MohammadJavad Salehi , Antti Tölli , Seyed Pooya Shariatpanahi

Multi-antenna coded caching combines a global caching gain, proportional to the total cache size in the network, with an additional spatial multiplexing gain that stems from multiple transmitting antennas. However, classic centralized coded…

Information Theory · Computer Science 2021-11-16 MohammadJavad Salehi , Emanuele Parrinello , Hamidreza Bakhshzad Mahmoodi , Antti Tolli