Optimal distortion-power tradeoffs in sensor networks: Gauss-Markov random processes

N Liu, S Ulukus - 2006 IEEE International Conference on …, 2006 - ieeexplore.ieee.org
We investigate the optimal performance of dense sensor networks by studying the joint
source-channel coding problem. The overall goal of the sensor network is to take …

Optimal distortion-power tradeoffs in Gaussian sensor networks

N Liu, S Ulukus - 2006 IEEE International Symposium on …, 2006 - ieeexplore.ieee.org
We investigate the optimal performance of dense sensor networks by studying the joint
source-channel coding problem. The overall goal of the sensor network is to take …

Scaling laws for dense gaussian sensor networks and the order optimality of separation

N Liu, S Ulukus - IEEE transactions on information theory, 2007 - ieeexplore.ieee.org
We investigate the optimal performance of dense sensor networks by studying the joint
source–channel coding problem. There are N uniformly spaced sensor nodes sampling …

Source-channel coding over Gaussian sensor networks with active sensing

E Akyol, U Mitra - 2014 IEEE Global Communications …, 2014 - ieeexplore.ieee.org
A limited energy budget is a major obstacle to the practical, wide deployment of sensor
networks and hence necessitates the judicious optimization of available resources. In this …

Structured random codes and sensor network coding theorems

B Nazer, M Gastpar - 2008 IEEE International Zurich Seminar …, 2008 - ieeexplore.ieee.org
In the Shannon-theoretic analysis of joint source-channel coding problems, achievability is
usually established via a two-stage approach: The sources are compressed into bits, and …

On the role of feedback in large sensor networks

M Gastpar - International Zurich Seminar on Communications …, 2004 - ieeexplore.ieee.org
Feedback can considerably simplify the task of approaching and achieving the performance
limits predicted by information theory. This paper determines some of the potential offered by …

Distortion sum-rate performance of successive coding strategy in Gaussian wireless sensor networks

H Behroozi, MR Soleymani - IEEE International Conference on …, 2005 - ieeexplore.ieee.org
In this paper, we investigate the distortion sum-rate performance of the successive coding
strategy in the so-called quadratic Gaussian CEO problem. In the CEO problem, the central …

Power, spatio-temporal bandwidth, and distortion in large sensor networks

M Gastpar, M Vetterli - IEEE Journal on Selected Areas in …, 2005 - ieeexplore.ieee.org
For a class of sensor networks, the task is to monitor an underlying physical phenomenon
over space and time through an imperfect observation process. The sensors can …

Joint optimization of source coding and power allocation in sensor networks

J Yuan, W Yu - 23rd Biennial Symposium on Communications …, 2006 - ieeexplore.ieee.org
In a sensor network, each sensor makes a local observation of some underlying physical
phenomenon, and sends a quantized version of the observation to a central office via …

Designing routes for source coding with explicit side information in sensor networks

H Luo, GJ Pottie - IEEE/ACM Transactions on Networking, 2007 - ieeexplore.ieee.org
In this paper, we study the problem of designing routes for source coding with explicit side
information (ie, with side information at both the encoder and the decoder) in sensor …