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05/11/2023
Preferential Pliable Index Coding
We propose and study a variant of pliable index coding (PICOD) where rec...
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03/24/2023
On the connection between the ABS perturbation methodology and differential privacy
This paper explores analytical connections between the perturbation meth...
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10/26/2022
Age of Information in Downlink Systems: Broadcast or Distributed Transmission?
We analytically decide whether the broadcast transmission scheme or the ...
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10/24/2022
Explaining epsilon in differential privacy through the lens of information theory
The study of leakage measures for privacy has been a subject of intensiv...
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06/14/2022
Network-Controlled Physical-Layer Security: Enhancing Secrecy Through Friendly Jamming
The broadcasting nature of the wireless medium makes exposure to eavesdr...
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01/25/2022
On the Optimality of Linear Index Coding over the Fields with Characteristic Three
It has been known that the insufficiency of linear coding in achieving t...
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11/04/2021
The Age of Information of Short-Packet Communications: Joint or Distributed Encoding?
In this paper, we analyze the impact of different encoding schemes on th...
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10/13/2021
Offset-Symmetric Gaussians for Differential Privacy
The Gaussian distribution is widely used in mechanism design for differe...
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10/10/2021
Enhancing Utility in the Watchdog Privacy Mechanism
This paper is concerned with enhancing data utility in the privacy watch...
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05/15/2021
On Converse Results for Secure Index Coding
In this work, we study the secure index coding problem where there are s...
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02/09/2021
Differential Privacy for Binary Functions via Randomized Graph Colorings
We present a framework for designing differentially private (DP) mechani...
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02/03/2021
Information Leakage in Zero-Error Source Coding: A Graph-Theoretic Perspective
We study the information leakage to a guessing adversary in zero-error s...
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02/02/2021
Broadcast Rate Requires Nonlinear Coding in a Unicast Index Coding Instance of Size 36
Insufficiency of linear coding for the network coding problem was first ...
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01/26/2021
α-Information-theoretic Privacy Watchdog and Optimal Privatization Scheme
This paper proposes an α-lift measure for data privacy and determines th...
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01/22/2021
Update-based Maximum Column Distance Coding Scheme for Index Coding Problem
In this paper, we propose a new scalar linear coding scheme for the inde...
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10/19/2020
On Properties and Optimization of Information-theoretic Privacy Watchdog
We study the problem of privacy preservation in data sharing, where S is...
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08/21/2020
Low Influence, Utility, and Independence in Differential Privacy: A Curious Case of 3 2
We study the relationship between randomized low influence functions and...
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07/18/2020
Differentially Private Mechanisms for Count Queries
In this paper, we consider the problem of responding to a count query (o...
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04/05/2020
Independent User Partition Multicast Scheme for the Groupcast Index Coding Problem
The groupcast index coding (GIC) problem is a generalization of the inde...
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01/21/2020
Secure Index Coding with Security Constraints on Receivers
Index coding is concerned with efficient broadcast of a set of messages ...
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01/19/2020
Privacy-Utility Tradeoff in a Guessing Framework Inspired by Index Coding
This paper studies the tradeoff in privacy and utility in a single-trial...
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12/26/2019
Part II: A Practical Approach for Successive Omniscience
In Part I, we studied the communication for omniscience (CO) problem and...
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12/26/2019
Part I: Improving Computational Efficiency of Communication for Omniscience
Communication for omniscience (CO) refers to the problem where the users...
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09/26/2019
Improved Lower Bounds for Pliable Index Coding using Absent Receivers
This paper studies pliable index coding, in which a sender broadcasts in...
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03/03/2019
Improving Computational Efficiency of Communication for Omniscience and Successive Omniscience
For a group of users in V where everyone observes a component of a discr...
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02/11/2019
Attaining Fairness in Communication for Omniscience
This paper studies how to attain fairness in communication for omniscien...
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01/26/2019
Generalized Alignment Chain: Improved Converse Results for Index Coding
In this work, we study the information theoretic converse for the index ...
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01/20/2019
A Submodularity-based Agglomerative Clustering Algorithm for the Privacy Funnel
For the privacy funnel (PF) problem, we propose an efficient iterative a...
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09/10/2018
On the Capacity Region for Secure Index Coding
We study the index coding problem in the presence of an eavesdropper, wh...
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05/04/2018
Fairness in Multiterminal Data Compression: A Splitting Method for The Egalitarian Solution
This paper proposes a novel splitting (SPLIT) algorithm to achieve fairn...
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04/05/2018
Fairness in Multiterminal Data Compression: Decomposition of Shapley Value
We consider the problem of how to determine a fair source coding rate al...
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04/05/2018
Distributed Data Compression in Sensor Clusters: A Maximum Independent Flow Approach
Let a cluster (network) of sensors be connected by the communication lin...
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02/08/2018
On the Packet Decoding Delay of Linear Network Coded Wireless Broadcast
We apply linear network coding (LNC) to broadcast a block of data packet...
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01/27/2018
Capacity Theorems for Distributed Index Coding
In index coding, a server broadcasts multiple messages to their respecti...
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08/21/2015