INFOCOM
2012
IEEE
12 years 1 months ago
2012
IEEE
—Collaborative spectrum sensing has been regarded as a promising approach to enable secondary users to detect primary users by exploiting spatial diversity. In this paper, we con...
CISS
2010
IEEE
13 years 2 months ago
2010
IEEE
—This paper addresses optimal spectrum sensing in cognitive radio networks considering its system level cost that accounts for the local processing cost of sensing (sample collec...
TSP
2011
13 years 5 months ago
2011
—We study a decentralized detection architecture in which each of a set of sensors transmits a highly compressed summary of its observations (a binary message) to a fusion center...
TIT
2008
13 years 10 months ago
2008
Distributed estimation of an unknown signal is a common task in sensor networks. The scenario usually envisioned consists of several nodes, each making an observation correlated wi...
TIFS
2008
13 years 10 months ago
2008
Abstract--Distributed detection of information flows is considered in which traffic sensors at different locations of a network observe transmission epochs. The traffic sensors com...
CORR
2008
Springer
13 years 11 months ago
2008
Springer
This work considers the problem of quickest detection with N distributed sensors that receive sequential observations either in discrete or in continuous time from the environment....
ICASSP
2010
IEEE
13 years 11 months ago
2010
IEEE
In this paper, we propose an iteration-free algorithm to find the optimal configuration, including transmit power and source coding rates, to maximize the lifetime of a cluster ...
CISS
2007
IEEE
14 years 2 months ago
2007
IEEE
The problem of routing of sensor observations for optimal detection of a Markov random field (MRF) at a designated fusion center is analyzed. Assuming that the correlation structur...
IPSN
2004
Springer
14 years 4 months ago
2004
Springer
In this paper, we study the optimal way of distributing sensors in a random field to minimize the estimation distortion. We show that this problem is equivalent to certain proble...
GLOBECOM
2006
IEEE
14 years 4 months ago
2006
IEEE
Abstract—We consider the distributed estimation of an unknown vector signal in a resource constrained sensor network with a fusion center. Due to power and bandwidth limitations,...