272 search results - page 4 / 55 » Power Assignment in Radio Networks with Two Power Levels |
MONET
2006
13 years 6 months ago
2006
In this paper we study connectivity in wireless ad-hoc networks by modeling the network as an undirected geometric random graph. The novel aspect in our study is that for finding t...
ICC
2007
IEEE
14 years 27 days ago
2007
IEEE
Abstract— Solar powered WLAN infrastructure is a cost effective option in outdoor deployments where continuous power sources are not practical. In these nodes the cost of the sol...
INFOCOM
2010
IEEE
13 years 5 months ago
2010
IEEE
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
WCNC
2010
IEEE
13 years 5 months ago
2010
IEEE
—In this paper, we present an interference model for cognitive radio (CR) networks employing power control or contention control scheme. The probability density functions (PDFs) ...
EWSN
2008
Springer
14 years 6 months ago
2008
Springer
We consider the problem of determining the transmission power assignment that maximizes the lifetime of a data-gathering wireless sensor network with stationary nodes and static tr...