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In this work, we study coded placement in caching systems where the users have unequal cache sizes and demonstrate its performance advantage. In particular, we propose a caching scheme with coded placement for three-user systems that…

Information Theory · Computer Science 2018-11-12 Abdelrahman M. Ibrahim , Ahmed A. Zewail , Aylin Yener

Many rescue missions demand effective perception and real-time decision making, which highly rely on effective data collection and processing. In this study, we propose a three-layer architecture of emergency caching networks focusing on…

Networking and Internet Architecture · Computer Science 2024-02-28 Zeyu Tian , Lianming Xu , Liang Li , Li Wang , Aiguo Fei

Distributed computing enables scalable machine learning by distributing tasks across multiple nodes, but ensuring privacy in such systems remains a challenge. This paper introduces a novel private coded distributed computing model that…

Information Theory · Computer Science 2026-01-13 Shanuja Sasi , Onur Günlü

We present a new 'piggybacking' framework for designing distributed storage codes that are efficient in data-read and download required during node-repair. We illustrate the power of this framework by constructing classes of explicit codes…

Information Theory · Computer Science 2013-02-26 K. V. Rashmi , Nihar B. Shah , Kannan Ramchandran

Coded caching is a technique where we utilize multi-casting opportunities to reduce rate in cached networks. One limitation of coded caching schemes is that they reveal the demands of all users to their peers. In this work, we consider…

Information Theory · Computer Science 2019-09-24 Aravind V R , Pradeep Sarvepalli , Andrew Thangaraj

Coded caching is a technique that promises huge reductions in network traffic in content-delivery networks. However, the original formulation and several subsequent contributions in the area, assume that the file requests from the users are…

Information Theory · Computer Science 2020-06-19 Hooshang Ghasemi , Aditya Ramamoorthy

Today's mobile data traffic is dominated by content-oriented traffic. Caching popular contents at the network edge can alleviate network congestion and reduce content delivery latency. This paper provides a comprehensive and unified study…

Information Theory · Computer Science 2019-04-17 Meixia Tao , Deniz Gündüz , Fan Xu , Joan S. Pujol Roig

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

This paper proposes a novel achievable scheme for the index problem and applies it to the caching problem. Index coding and caching are noiseless broadcast channel problems where receivers have message side information.In the index coding…

Information Theory · Computer Science 2017-02-24 Kai Wan , Daniela Tuninetti , Pablo Piantanida

Coded multicasting has been shown to be a promis- ing approach to significantly improve the caching performance of content delivery networks with multiple caches downstream of a common multicast link. However, achievable schemes proposed to…

Information Theory · Computer Science 2015-11-25 Giuseppe Vettigli , Mingyue Ji , Antonia M. Tulino , Jaime Llorca , Paola Festa

In-network caching is one of the fundamental operations of Information-centric networks (ICN). The default caching strategy taken by most of the current ICN proposals is caching along--default--path, which makes popular objects to be cached…

Networking and Internet Architecture · Computer Science 2015-02-10 Sumanta Saha , Andrey Lukyanenko , Antti Ylä-Jääski

Emerging information-centric networking architectures seek to optimally utilize both bandwidth and storage for efficient content distribution. This highlights the need for joint design of traffic engineering and caching strategies, in order…

Networking and Internet Architecture · Computer Science 2016-02-29 Edmund Yeh , Tracey Ho , Ying Cui , Ran Liu , Michael Burd , Derek Leong

Modern recommender systems are built upon computation-intensive infrastructure, and it is challenging to perform real-time computation for each request, especially in peak periods, due to the limited computational resources. Recommending by…

Machine Learning · Computer Science 2024-09-23 Shuo Su , Xiaoshuang Chen , Yao Wang , Yulin Wu , Ziqiang Zhang , Kaiqiao Zhan , Ben Wang , Kun Gai

One of the big challenges in ad hoc network design is packet routing. Studies have shown that on-demand routing protocols perform better than table-driven routing protocols. In order to avoid route discovery for each packet, on-demand…

Networking and Internet Architecture · Computer Science 2016-11-17 Ashish Shukla

An emerging trend of next generation communication systems is to provide network edges with additional capabilities such as storage resources in the form of caches to reduce file delivery latency. To investigate this aspect, we study the…

Information Theory · Computer Science 2018-03-13 Jaber Kakar , Alaa Alameer , Anas Chaaban , Aydin Sezgin , Arogyaswami Paulraj

In this paper, we consider a cache-aided relay network, where a single server consisting of a library of N files connects with K1 relays through a shared noiseless link, and each relay connects with K2 users through a shared noiseless link.…

Information Theory · Computer Science 2020-10-20 Ke Wang , Youlong Wu , Shujie Cao , Jiahui Chen

The majority of works in distributed storage networks assume a simple network model with a collection of identical storage nodes with the same communication cost between the nodes. In this paper, we consider a realistic multi-rack…

Information Theory · Computer Science 2019-03-11 Ali Tebbi , Terence H. Chan , Chi Wan Sung

In order to characterize the fundamental limit of the tradeoff between the amount of cache memory and the delivery transmission rate of multiuser caching systems, various coding schemes have been proposed in the literature. These schemes…

Information Theory · Computer Science 2017-12-25 Kai Zhang , Chao Tian

A simultaneously transmitting and reflecting surface (STARS) enabled edge caching system is proposed for reducing backhaul traffic and ensuring the quality of service. A novel Caching-at-STARS structure, where a dedicated smart controller…

Systems and Control · Electrical Eng. & Systems 2023-08-02 Zhaoming Hu , Ruikang Zhong , Chao Fang , Yuanwei Liu

We investigate the potentials of applying the coded caching paradigm in wireless networks. In order to do this, we investigate physical layer schemes for downlink transmission from a multiantenna transmitter to several cache-enabled users.…

Information Theory · Computer Science 2018-01-30 Seyed Pooya Shariatpanahi , Giuseppe Caire , Babak Hossein Khalaj
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