English
Related papers

Related papers: Coded Caching for Combination Networks with Multia…

200 papers

This paper studies the fundamental limits of the shared-link coded caching problem with correlated files, where a server with a library of $N$ files communicates with $K$ users who can locally cache $M$ files. Given an integer $r \in [N]$,…

Information Theory · Computer Science 2021-06-15 Kai Wan , Daniela Tuninetti , Mingyue Ji , Giuseppe Caire

To address the exponentially rising demand for wireless content, use of caching is emerging as a potential solution. It has been recently established that joint design of content delivery and storage (coded caching) can significantly…

Information Theory · Computer Science 2016-01-01 Jad Hachem , Nikhil Karamchandani , Suhas Diggavi

We consider the coded caching problem with shared caches where several users share a cache, but each user has access to only a single cache. For this network, the fundamental limits of coded caching are known for centralized and…

Information Theory · Computer Science 2021-07-02 Elizabath Peter , B. Sundar Rajan

We consider the problem of designing decentralized schemes for coded caching. In this problem there are $K$ users each caching $M$ files out of a library of $N$ total files. The question is to minimize $R$, the number of broadcast…

Information Theory · Computer Science 2018-01-25 Yitao Chen , Karthikeyan Shanmugam , Alexandros G. Dimakis

Content delivery networks store information distributed across multiple servers, so as to balance the load and avoid unrecoverable losses in case of node or disk failures. Coded caching has been shown to be a useful technique which can…

Information Theory · Computer Science 2016-11-22 Tianqiong Luo , Vaneet Aggarwal , Borja Peleato

Caching of popular content during off-peak hours is a strategy to reduce network loads during peak hours. Recent work has shown significant benefits of designing such caching strategies not only to deliver part of the content locally, but…

Information Theory · Computer Science 2016-06-14 Nikhil Karamchandani , Urs Niesen , Mohammad Ali Maddah-Ali , Suhas Diggavi

We consider the standard broadcast setup with a single server broadcasting information to a number of clients, each of which contains local storage (called cache) of some size, which can store some parts of the available files at the…

Information Theory · Computer Science 2023-02-08 Shailja Agrawal , K V Sushena Sree , Prasad Krishnan , Abhinav Vaishya , Srikar Kale

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

To address the massive growth of data traffic over cellular networks, increasing spatial reuse of the frequency spectrum by the deployment of small base stations (SBSs) has been considered. For rapid deployment of SBSs in the networks,…

Content caching is a widely studied technique aimed to reduce the network load imposed by data transmission during peak time while ensuring users' quality of experience. It has been shown that when there is a common link between caches and…

Information Theory · Computer Science 2021-10-20 Abdollah Ghaffari Sheshjavani , Ahmad Khonsari , Seyed Pooya Shariatpanahi , Masoumeh Moradian

Coded caching can significantly reduce the communication bandwidth requirement for satisfying users' demands by utilizing the multicasting gain among multiple users. Most existing works assume that the users follow the prescriptions for…

Information Theory · Computer Science 2019-03-29 Seyed Mohammad Asghari , Yi Ouyang , Ashutosh Nayyar , A. Salman Avestimehr

This work considers the combinatorial multi-access coded caching problem introduced in the recent work by Muralidhar \textit{et al.} [P. N. Muralidhar, D. Katyal, and B. S. Rajan, ``Maddah-Ali-Niesen scheme for multi-access coded caching,''…

Information Theory · Computer Science 2024-01-18 K. K. Krishnan Namboodiri , B. Sundar Rajan

The ideas of wireless network coding at the physical layer promise high throughput gains in wireless systems with relays and multi-way traffic flows. This gain can be ascribed to two principles: (1) joint transmission of multiple…

Information Theory · Computer Science 2010-11-30 Chan Dai Truyen Thai , Petar Popovski , Megumi Kaneko , Elisabeth de Carvalho

Coded caching scheme recently has become quite popular in the wireless network due to its effectively reducing the transmission amount (denote such an amount by $R$) during peak traffic times. However to realize a coded caching scheme, each…

Information Theory · Computer Science 2018-06-26 Minquan Cheng , Jing Jiang , Qifa Yan , Xiaohu Tang

Coded caching scheme, which is an effective technique to increase the transmission efficiency during peak traffic times, has recently become quite popular among the coding community. Generally rate can be measured to the transmission in the…

Information Theory · Computer Science 2017-10-03 Minquan Cheng , Qifa Yan , Xiaohu Tang , Jing Jiang

In coded caching system we prefer to design a coded caching scheme with low subpacketization and small transmission rate (i.e., the low implementation complexity and the efficient transmission during the peak traffic times). Placement…

Information Theory · Computer Science 2020-09-08 Xi Zhong , Minquan Cheng , Ruizhong Wei

In this paper, a distributed turbo-like coding scheme for wireless networks with relays is proposed. We consider a scenario where multiple sources communicate with a single destination with the help of a relay. The proposed scheme can be…

Information Theory · Computer Science 2009-10-13 Roua Youssef , Alexandre Graell i Amat

Coded caching is a problem where encoded broadcasts are used to satisfy users requesting popular files and having caching capabilities. Recent work by Maddah-Ali and Niesen showed that it is possible to satisfy a scaling number of users…

Information Theory · Computer Science 2017-01-26 Karthikeyan Shanmugam , Antonia M. Tulino , Alexandros G. Dimakis

Coded caching is a promising technique to effectively reduce peak traffic by using local caches and the multicast gains generated by these local caches. We prefer to design a coded caching scheme with the subpacketization $F$ and…

Information Theory · Computer Science 2025-02-25 Minquan Cheng , Huimei Wei , Kai Wan , Giuseppe Caire

We consider multi-access coded caching problem introduced by Hachem et.al., where each user has access to $L$ neighboring caches in a cyclic wrap-around fashion. We focus on the deterministic schemes for a specific class of multi-access…

Information Theory · Computer Science 2021-02-26 Shanuja Sasi , B. Sundar Rajan