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Nov 11, 2011
Information Theory

Hybrid Approximate Message Passing

Gaussian and quadratic approximations of message passing algorithms on graphs have attracted considerable recent attention due to their computational…
Jul 20, 2009
Information Theory

Opportunistic Secrecy with a Strict Delay Constraint

We investigate the delay limited secrecy capacity of the flat fading channel under two different assumptions on the available transmitter channel sta…
Oct 07, 2008
Information Theory
Networking and Internet Architecture
Optimization and Control

Rate and Power Allocation in Fading Multiple Access Channels

We consider the problem of rate and power allocation in a fading multiple-access channel. Our objective is to obtain rate and power allocation polici…
Sep 03, 2010
Networking and Internet Architecture

Basic Performance Limits and Tradeoffs in Energy Harvesting Sensor No…

As many sensor network applications require deployment in remote and hard-to-reach areas, it is critical to ensure that such networks are capable of …
Feb 23, 2015
Information Theory

Hyperspectral Unmixing via Turbo Bilinear Approximate Message Passing

The goal of hyperspectral unmixing is to decompose an electromagnetic spectral dataset measured over M spectral bands and T pixels into N constituent…
Jan 26, 2013
Information Theory

Fixed Points of Generalized Approximate Message Passing with Arbitrar…

The estimation of a random vector with independent components passed through a linear transform followed by a componentwise (possibly nonlinear) outp…
Apr 16, 2013
Information Theory

The Deterministic Multicast Capacity of 4-Node Relay Networks

In this paper, we completely characterize the deterministic capacity region of a four-node relay network with no direct links between the nodes, wher…
Jan 08, 2015
Information Theory

Inference for Generalized Linear Models via Alternating Directions an…

Generalized Linear Models (GLMs), where a random vector $\mathbf{x}$ is observed through a noisy, possibly nonlinear, function of a linear transform …
Dec 09, 2014
Optimization and Control
Cryptography and Security
Networking and Internet Architecture

The Impact of Stealthy Attacks on Smart Grid Performance: Tradeoffs a…

The smart grid is envisioned to significantly enhance the efficiency of energy consumption, by utilizing two-way communication channels between consu…
Oct 18, 2011
Information Theory

Joint Scheduling and Resource Allocation in OFDMA Downlink Systems vi…

In this paper, we consider the problem of joint scheduling and resource allocation in the OFDMA downlink, with the goal of maximizing an expected lon…
Apr 18, 2014
Information Theory

Using Network Coding to Achieve the Capacity of Deterministic Relay …

In this paper, we derive the capacity of the deterministic relay networks with relay messages. We consider a network which consists of five nodes, fo…
May 27, 2015
Numerical Analysis

Stable evaluation of Green's functions in cylindrically stratified …

We present a robust algorithm for the computation of electromagnetic fields radiated by point sources (Hertzian dipoles) in cylindrically stratified …
Apr 27, 2014
Information Theory
Distributed
Parallel
and Cluster Computing
Networking and Internet Architecture
Performance

When Queueing Meets Coding: Optimal-Latency Data Retrieving Scheme in…

In this paper, we study the problem of reducing the delay of downloading data from cloud storage systems by leveraging multiple parallel threads, ass…
Nov 15, 2012
Networking and Internet Architecture

Maximizing System Throughput Using Cooperative Sensing in Multi-Chann…

In Cognitive Radio Networks (CRNs), unlicensed users are allowed to access the licensed spectrum when it is not currently being used by primary users…
Jan 05, 2014
Information Theory
Machine Learning

Binary Linear Classification and Feature Selection via Generalized …

For the problem of binary linear classification and feature selection, we propose algorithmic approaches to classifier design based on the generalize…
May 27, 2010
Information Theory
Cryptography and Security

Keys through ARQ: Theory and Practice

This paper develops a novel framework for sharing secret keys using the Automatic Repeat reQuest (ARQ) protocol. We first characterize the underlying…
Oct 10, 2013
Information Theory

Bilinear Generalized Approximate Message Passing

We extend the generalized approximate message passing (G-AMP) approach, originally proposed for high-dimensional generalized-linear regression in the…
Oct 30, 2010
Information Theory
Networking and Internet Architecture

Joint Scheduling and Resource Allocation in the OFDMA Downlink: Utili…

We consider the problem of simultaneous user-scheduling, power-allocation, and rate-selection in an OFDMA downlink, with the goal of maximizing expec…
Jul 13, 2012
Information Theory

Expectation-Maximization Gaussian-Mixture Approximate Message Passing

When recovering a sparse signal from noisy compressive linear measurements, the distribution of the signal's non-zero coefficients can have a profoun…
Aug 14, 2013
Mathematical Physics

Stable pseudoanalytical computation of electromagnetic fields from …

Computation of electromagnetic fields due to point sources (Hertzian dipoles) in cylindrically stratified media is a classical problem for which anal…
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