331 search results - page 39 / 67 » Minimizing Energies with Hierarchical Costs |
ISCC
2009
IEEE
14 years 4 months ago
2009
IEEE
Routing protocols for Wireless Sensor Networks (WSN) face three major performance challenges. The first one is an efficient use of bandwidth that minimizes the transfer delay of p...
HICSS
2003
IEEE
14 years 3 months ago
2003
IEEE
In this paper, we tackle the problem of topology formation in Bluetooth Wireless Personal Area Networks (BTWPANs). We first overview and extend a previously proposed centralized ...
TPDS
2008
13 years 9 months ago
2008
We study the problem of constructing a data gathering tree over a wireless sensor network in order to minimize the total energy for compressing and transporting information from a ...
WIOPT
2011
IEEE
13 years 1 months ago
2011
IEEE
Abstract—In recent years there has been an increasing awareness that the deployment as well as utilization of new information technology may have some negative ecological impact....
JSAC
2011
13 years 4 months ago
2011
— We investigate spectrum sensing by energy detection based on two different objective functions: a Bayesian sensing cost or the network weighted sum capacity. The Bayesian cost ...