Search Results - "Karamchandani, Nikhil"
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Coded Caching for Multi-level Popularity and Access
Published in IEEE transactions on information theory (01-05-2017)“…To address the exponentially rising demand for wireless content, the use of caching is emerging as a potential solution. It has been recently established that…”
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2
Secure State Estimation Against Sensor Attacks in the Presence of Noise
Published in IEEE transactions on control of network systems (01-03-2017)“…We consider the problem of estimating the state of a noisy linear dynamical system when an unknown subset of sensors is arbitrarily corrupted by an adversary…”
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3
Network Coding for Computing: Cut-Set Bounds
Published in IEEE transactions on information theory (01-02-2011)“…The following network computing problem is considered. Source nodes in a directed acyclic network generate independent messages and a single receiver node…”
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Scaling laws for delay-sensitive traffic in Rayleigh fading networks
Published in Proceedings of the Royal Society. A, Mathematical, physical, and engineering sciences (08-08-2008)“…decentralized schemes…”
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Rate-Memory Trade-off for Multi-Access Coded Caching With Uncoded Placement
Published in IEEE transactions on communications (01-06-2020)“…We study a multi-access variant of the popular coded caching framework, which consists of a central server with a catalog of <inline-formula> <tex-math…”
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Hierarchical Coded Caching
Published in IEEE transactions on information theory (01-06-2016)“…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…”
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On the regret of online edge service hosting
Published in Performance evaluation (01-11-2023)“…We consider the problem of service hosting where a service provider can dynamically rent edge resources via short term contracts to ensure better quality of…”
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Fixed confidence community mode estimation
Published in Performance evaluation (01-11-2023)“…Our aim is to estimate the largest community (a.k.a., mode) in a population composed of multiple disjoint communities. This estimation is performed in a fixed…”
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Effect of number of users in multi-level coded caching
Published in 2015 IEEE International Symposium on Information Theory (ISIT) (01-06-2015)“…It has been recently established that joint design of content delivery and storage (coded caching) can significantly improve performance over conventional…”
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Conference Proceeding Journal Article -
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On Gradient Coding With Partial Recovery
Published in IEEE transactions on communications (01-02-2023)“…We consider a generalization of the gradient coding framework where a dataset is divided across <inline-formula> <tex-math notation="LaTeX">n…”
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Content caching and delivery over heterogeneous wireless networks
Published in 2015 IEEE Conference on Computer Communications (INFOCOM) (01-04-2015)“…Emerging heterogeneous wireless architectures consist of a dense deployment of local-coverage wireless access points (APs) with high data rates, along with…”
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Conference Proceeding -
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Fundamental Limits of Demand-Private Coded Caching
Published in IEEE transactions on information theory (01-06-2022)“…We consider the coded caching problem with an additional privacy constraint that a user should not get any information about the demands of the other users. We…”
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Stochastic approximation algorithms for rumor source inference on graphs
Published in Performance evaluation (01-08-2019)Get full text
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14
Resource Pooling in Large-Scale Content Delivery Systems
Published in IEEE transactions on communications (01-03-2020)“…Content delivery networks are a key infrastructure component used by Video on Demand (VoD) services to deliver content over the Internet. We study a content…”
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15
Private Coded Caching
Published in IEEE transactions on information forensics and security (01-03-2018)“…Recent work by Maddah-Ali and Niesen (2014) introduced coded caching which demonstrated the benefits of joint design of storage and transmission policies in…”
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Flag Manifold-Based Precoder Interpolation Techniques for MIMO-OFDM Systems
Published in IEEE transactions on communications (01-07-2021)“…The use of channel state information (CSI) at the transmitter significantly enhances the performance of wireless communication systems. However, the…”
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17
Towards a Distributed Caching Service at the WiFi Edge Using Wi-Cache
Published in IEEE eTransactions on network and service management (01-12-2021)“…Caching content close to the end users, e.g., at cellular base stations (BSs), WiFi access points (APs), and end user devices is known to improve efficiency…”
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18
Content replication in large distributed caches
Published in 2017 9th International Conference on Communication Systems and Networks (COMSNETS) (01-01-2017)“…In this paper, we consider the algorithmic task of content replication and request routing in a distributed caching system consisting of a central server and a…”
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Conference Proceeding -
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Greedy k-Center From Noisy Distance Samples
Published in IEEE transactions on signal and information processing over networks (2022)“…We study a variant of the canonical <inline-formula><tex-math notation="LaTeX">k</tex-math></inline-formula>-center problem over a set of vertices in a metric…”
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Greedy [Formula Omitted]-Center From Noisy Distance Samples
Published in IEEE transactions on signal and information processing over networks (01-01-2022)“…We study a variant of the canonical [Formula Omitted]-center problem over a set of vertices in a metric space, where the underlying distances are apriori…”
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