activity
20172021
collaborators

5 papers

cs.IT2021

Secretive Coded Caching with Shared Caches

Shreya Shrestha Meel, B. Sundar Rajan

We consider the problem of \emph{secretive coded caching} in a shared cache setup where the number of users accessing a particular \emph{helper cache} is more than one, and every u…

cs.IT2021

Maddah-Ali-Niesen Scheme for Multi-access Coded Caching

Pooja Nayak Muralidhar, Digvijay Katyal, B. Sundar Rajan

The well known Maddah-Ali-Niesen (MAN) coded caching scheme for users with dedicated cache is extended for use in multi-access coded cache scheme where the number of users need not…

cs.IT2018

On the Optimal Broadcast Rate of the Two-Sender Unicast Index Coding Problem with Fully-Participated Interactions

Chinmayananda Arunachala, Vaneet Aggarwal, B. Sundar Rajan

The problem of two-sender unicast index coding consists of two senders and a set of receivers. Each receiver demands a unique message and possesses some of the messages demanded by…

cs.IT2018

Index Codes for Interlinked Cycle Structures with Outer Cycles

K. Vikas Bharadwaj, B. Sundar Rajan

Index code construction for a class of side-information graphs called interlinked cycle (IC) structures without outer cycles is given by Thapa, Ong and Johnson (C. Thapa, L. Ong, a…

cs.IT2017

Optimal Error Correcting Delivery Scheme for Coded Caching with Symmetric Batch Prefetching

Nujoom Sageer Karat, Anoop Thomas, B. Sundar Rajan

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 err…