9 papers
Secrecy and Privacy in Multi-Access Combinatorial Topology
Mallikharjuna Chinnapadamala, B. Sundar Rajan
In this work, we consider the multi-access combinatorial topology with caches where each user accesses a unique set of caches. For this setup, we consider secrecy, where ea…
Wireless MapReduce Arrays for Coded Distributed Computing
Elizabath Peter, K. K. Krishnan Namboodiri, B. Sundar Rajan
We consider a wireless distributed computing system based on the MapReduce framework, which consists of three phases: \textit{Map}, \textit{Shuffle}, and \textit{Reduce}. The syste…
Placement Delivery Arrays for Coded Caching with Shared and Private Caches
K. K. Krishnan Namboodiri, Elizabath Peter, B. Sundar Rajan
We consider a coded caching network consisting of a server with a library of files connected to users, where each user is equipped with a dedicated cache of size unit…
Two-Dimensional Multi-Access Coded Caching with Multiple Transmit Antennas
K. K. Krishnan Namboodiri, Elizabath Peter, B. Sundar Rajan
This work introduces a multi-antenna coded caching problem in a two-dimensional multi-access network, where a server with transmit antennas and files communicates to $K_1K_…
Multi-Antenna Coded Caching for Multi-Access Networks with Cyclic Wrap-Around
Elizabath Peter, K. K. Krishnan Namboodiri, B. Sundar Rajan
This work explores a multiple transmit antenna setting in a multi-access coded caching (MACC) network where each user accesses more than one cache. A MACC network has users and…
Shared Cache Coded Caching Schemes Using Designs and Circuits of Matrices
Niladri Das, B. Sundar Rajan
In this paper, we study shared cache coded caching (SC-CC): a set of caches serves a larger set of users; each user access one cache, and a cache may serve many users. For this pro…
Cache-Aided Multi-User Private Information Retrieval using PDAs
Kanishak Vaidya, B Sundar Rajan
We consider the problem of cache-aided multi-user private information retrieval (MuPIR). In this problem, independent files are replicated across non-colluding serve…
Coded Caching with Shared Caches and Private Caches
Elizabath Peter, K. K. Krishnan Namboodiri, B. Sundar Rajan
This work studies the coded caching problem in a setting where the users are simultaneously endowed with a private cache and a shared cache. The setting consists of a server connec…
Private Information Delivery with Coded Storage
Kanishak Vaidya, B Sundar Rajan
In private information delivery (PID) problem, there are messages stored across servers, each capable of storing messages and a user. Servers want to convey one of the…