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Information Flow Optimization in Inference Networks

Abstract: 

The problem of maximizing the information flow through a sensor network tasked with an inference objective at the fusion center is considered. The sensor nodes take observations, compress, and send them to the fusion center through a network of relays. The network imposes capacity constraints on the rate of transmission in each connection and flow conservation constraints. It is shown that this rate-constrained inference problem can be cast as a Network Utility Maximization problem by suitably defining the utility functions for each sensor, and can be solved using existing techniques. Two practical settings are analyzed: multi-terminal parameter estimation and binary hypothesis testing. It is verified via simulations that using the proposed formulation gives better inference performance than the Max-Flow solution that simply maximizes the total bit-rate to the fusion center.

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Paper Details

Authors:
Jing Liu, Venugopal Veeravalli, Gunjan Verma
Submitted On:
13 May 2020 - 5:16pm
Short Link:
Type:
Presentation Slides
Event:
Presenter's Name:
Aditya Deshmukh
Paper Code:
5173

Document Files

Poster_Presentation_Information_flow_optimization.pdf

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[1] Jing Liu, Venugopal Veeravalli, Gunjan Verma, "Information Flow Optimization in Inference Networks", IEEE SigPort, 2020. [Online]. Available: http://sigport.org/5147. Accessed: Oct. 01, 2020.
@article{5147-20,
url = {http://sigport.org/5147},
author = {Jing Liu; Venugopal Veeravalli; Gunjan Verma },
publisher = {IEEE SigPort},
title = {Information Flow Optimization in Inference Networks},
year = {2020} }
TY - EJOUR
T1 - Information Flow Optimization in Inference Networks
AU - Jing Liu; Venugopal Veeravalli; Gunjan Verma
PY - 2020
PB - IEEE SigPort
UR - http://sigport.org/5147
ER -
Jing Liu, Venugopal Veeravalli, Gunjan Verma. (2020). Information Flow Optimization in Inference Networks. IEEE SigPort. http://sigport.org/5147
Jing Liu, Venugopal Veeravalli, Gunjan Verma, 2020. Information Flow Optimization in Inference Networks. Available at: http://sigport.org/5147.
Jing Liu, Venugopal Veeravalli, Gunjan Verma. (2020). "Information Flow Optimization in Inference Networks." Web.
1. Jing Liu, Venugopal Veeravalli, Gunjan Verma. Information Flow Optimization in Inference Networks [Internet]. IEEE SigPort; 2020. Available from : http://sigport.org/5147