227 citations · 270 across the 22 of their papers we have counts for
22 papers
Regret-weighted Bayes Fusion for Distributed Experimental Design
Nagananda K G, Lav R. Varshney, Pramod R. Varshney
We study distributed experimental design with multiple candidate experiments, where local sites possess only partial information and transmit design recommendations to a fusion cen…
Distributed Experimental Design: Bayes-optimal Fusion of Local Designs
Nagananda K G, Lav R. Varshney, Pramod K. Varshney
We develop a decision-theoretic framework for distributed Bayesian experimental design in which local agents evaluate candidate experiments using expected information gain and tran…
On the Relationship Between Measures of Relative Efficiency for Random Signal Detection
Nagananda, K. G
Relative efficiency (RE), the Pitman asymptotic relative efficiency (ARE) and efficacy are important relative performance measures of signal detection techniques. These measures al…
Secure Communication in Dynamic Wireless Ad hoc Networks
B. N. Bharath, K. G. Nagananda
We consider a wireless ad hoc network in the presence of eavesdroppers (EDs), where the nodes are distributed according to independent Poisson point processes (PPPs). The legitimat…
Reduced-rank Analysis of the Total Least Squares
K. G. Nagananda, Pramod Khargonekar
The reduced-rank method exploits the distortion-variance tradeoff to yield superior solutions for classic problems in statistical signal processing such as parameter estimation and…
Tight Bounds on the Weighted Sum of MMSEs with Applications in Distributed Estimation
Michael Fauß, Abdelhak M. Zoubir, Alex Dytso +2
In this paper, tight upper and lower bounds are derived on the weighted sum of minimum mean-squared errors for additive Gaussian noise channels. The bounds are obtained by constrai…
Energy-efficient Decision Fusion for Distributed Detection in Wireless Sensor Networks
N. Sriranga, K. G. Nagananda, R. S. Blum +2
This paper proposes an energy-efficient counting rule for distributed detection by ordering sensor transmissions in wireless sensor networks. In the counting rule-based detection i…
Caching With Time-Varying Popularity Profiles: A Learning-Theoretic Perspective
B. N. Bharath, K. G. Nagananda, D. Gündüz +1
Content caching at the small-cell base stations (sBSs) in a heterogeneous wireless network is considered. A cost function is proposed that captures the backhaul link load called th…
Sequential joint signal detection and signal-to-noise ratio estimation
M. Fauß, K. G. Nagananda, A. M. Zoubir +1
The sequential analysis of the problem of joint signal detection and signal-to-noise ratio (SNR) estimation for a linear Gaussian observation model is considered. The problem is po…
A Learning-Based Approach to Caching in Heterogenous Small Cell Networks
B. N. Bharath, K. G. Nagananda, H. Vincent Poor
A heterogenous network with base stations (BSs), small base stations (SBSs) and users distributed according to independent Poisson point processes is considered. SBS nodes are assu…
An Electrical Structure-Based Approach to PMU Placement in the Electric Power Grid
K. G. Nagananda, Shalinee Kishore, Rick S. Blum
The phasor measurement unit (PMU) placement problem is revisited by taking into account a stronger characterization of the electrical connectedness between various buses in the gri…
An Approximately Optimal Algorithm for Scheduling Phasor Data Transmissions in Smart Grid Networks
K. G. Nagananda, P. P. Khargonekar
In this paper, we devise a scheduling algorithm for ordering transmission of synchrophasor data from the substation to the control center in as short a time frame as possible, with…
Caching with Unknown Popularity Profiles in Small Cell Networks
B. N. Bharath, K. G. Nagananda
A heterogenous network is considered where the base stations (BSs), small base stations (SBSs) and users are distributed according to independent Poisson point processes (PPPs). We…
A PMU Scheduling Scheme for Transmission of Synchrophasor Data in Electric Power Systems
K. G. Nagananda, Shalinee Kishore, Rick S. Blum
With the proposition to install a large number of phasor measurement units (PMUs) in the future power grid, it is essential to provide robust communications infrastructure for phas…
A Unifying Framework for the Electrical Structure-Based Approach to PMU Placement in Electric Power Systems
K. G. Nagananda, Shalinee Kishore
The electrical structure of the power grid is utilized to address the phasor measurement unit (PMU) placement problem. First, we derive the connectivity matrix of the network using…
Impact of system state dynamics on PMU placement in the electric power grid
K. G. Nagananda
The goal of this paper is to study the impact of the dynamic nature of bus voltage magnitudes and phase angles, which constitute the state of the power system, on the phasor measur…
Electrical Structure-Based PMU Placement in Electric Power Systems
K. G. Nagananda
Recent work on complex networks compared the topological and electrical structures of the power grid, taking into account the underlying physical laws that govern the electrical co…
Two Classes of Broadcast Channels With Side-Information: Capacity Outer Bounds
K. G. Nagananda, Chandra R Murthy, Shalinee Kishore
In this paper, we derive outer bounds on the capacity region of two classes of the general two-user discrete memoryless broadcast channels with side-information at the transmitter.…
Capacity Bounds for State-Dependent Broadcast Channels
K. G. Nagananda, Chandra R. Murthy, Shalinee Kishore
In this paper, we derive information-theoretic performance limits for three classes of two-user state-dependent discrete memoryless broadcast channels, with noncausal side-informat…
Secure Broadcasting With Side-Information
K. G. Nagananda, Chandra R Murthy, Shalinee Kishore
In this paper, we derive information-theoretic performance limits for secure and reliable communications over the general two-user discrete memoryless broadcast channel with side-i…
Multiuser Cognitive Radio Networks: An Information Theoretic Perspective
K. G. Nagananda, Parthajit Mohapatra, Chandra R. Murthy +1
Achievable rate regions and outer bounds are derived for three-user interference channels where the transmitters cooperate in a unidirectional manner via a noncausal message-sharin…
Asymmetric Transmitter Cooperation in Multiuser Wireless Networks: Achievable Rate Regions
K. G. Nagananda, Chandra R. Murthy
In this work, we derive achievable rate regions for the three-user interference channels with asymmetric transmitter cooperation and various decoding capabilities at the receivers.…