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Generalized Index Coding Problem and Discrete Polymatroids [PDF]

open access: yesEntropy, 2020
The connections between index coding and matroid theory have been well studied in the recent past. Index coding solutions were first connected to multi linear representation of matroids.
Anoop Thomas, Balaji Sundar Rajan
doaj   +5 more sources

Structural Characteristics of Two-Sender Index Coding [PDF]

open access: yesEntropy, 2019
This paper studies index coding with two senders. In this setup, source messages are distributed among the senders possibly with common messages. In addition, there are multiple receivers, with each receiver having some messages a priori, known as side ...
Chandra Thapa   +3 more
doaj   +5 more sources

Index Coding with Multiple Interpretations [PDF]

open access: yesEntropy, 2022
The index coding problem consists of a system with a server and multiple receivers with different side information and demand sets, connected by a noiseless broadcast channel. The server knows the side information available to the receivers.
Valéria G. Pedrosa, Max H. M. Costa
doaj   +5 more sources

Index Coding With Coded Side-Information [PDF]

open access: yesIEEE Communications Letters, 2015
This letter investigates a new class of index coding problems. One sender broadcasts packets to multiple users, each desiring a subset, by exploiting prior knowledge of linear combinations of packets. We refer to this class of problems as index coding with coded side-information.
Namyoon Lee   +2 more
openaire   +4 more sources

A visualization tool for individual gene expression profiles among males and females in GTEx tissues [PDF]

open access: yesBiology of Sex Differences
Sexual dimorphism has been implied to certain human physiology and diseases. This topic has recently garnered more attention, highlighting individual variances in precision medicine and individualized clinical trials.
Kuo-Feng Tung, Wen-chang Lin
doaj   +2 more sources

A Unified Analysis on ARQ-Based Broadcast: A Road to the Optimum

open access: yesIEEE Access, 2021
This paper presents a unified framework for Automatic Repeat reQuest (ARQ)-based retransmission schemes in multi-user broadcast environments. Two perspectives, namely, coded packet design and the enhancement of the ARQ protocol, are used to establish the
Sang Won Choi, Jae Hee Kim
doaj   +1 more source

An Umbrella Converse for Data Exchange: Applied to Caching, Computing, and Shuffling

open access: yesEntropy, 2021
The problem of data exchange between multiple nodes with storage and communication capabilities models several current multi-user communication problems like Coded Caching, Data Shuffling, Coded Computing, etc.
Prasad Krishnan   +2 more
doaj   +1 more source

Golden-coded index coding [PDF]

open access: yes2017 IEEE International Symposium on Information Theory (ISIT), 2017
5 pages, 2 figures.
Yu-Chih Huang   +2 more
openaire   +2 more sources

Coded Caching for Time-Varying Files Popularities and Asynchronous Delivery

open access: yesIEEE Open Journal of the Communications Society, 2021
Data communication has seen exponential growth recently, and it currently dominates wireless communication. As a result, proactive caching was developed to minimize peak traffic rates by storing content, in advance, at different nodes in the network.
Mohamed Amir   +3 more
doaj   +1 more source

Distributed index coding [PDF]

open access: yes2016 IEEE Information Theory Workshop (ITW), 2016
In this paper, we study the capacity region of the general distributed index coding. In contrast to the traditional centralized index coding where a single server contains all $n$ messages requested by the receivers, in the distributed index coding there are $2^n-1$ servers, each containing a unique non-empty subset $J$ of the messages and each is ...
Parastoo Sadeghi   +2 more
openaire   +2 more sources

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