570 search results - page 41 / 114 » Approximating Some Network Design Problems with Node Costs |
WASA
2009
Springer
14 years 3 months ago
2009
Springer
In this paper, we consider Multiple-Sink Data Collection Problem in wireless sensor networks, where a large amount of data from sensor nodes need to be transmitted to one of multip...
INFOCOM
2005
IEEE
14 years 2 months ago
2005
IEEE
— In wireless sensor networks (WSNs), sensor location plays a critical role in many applications. Having a GPS receiver on every sensor node is costly. In the past, a number of l...
MOBIHOC
2003
ACM
14 years 8 months ago
2003
ACM
In this paper, we address the problem of energy-conscious cache placement in wireless ad hoc networks. We consider a network comprising a server with an interface to the wired net...
APSCC
2007
IEEE
13 years 9 months ago
2007
IEEE
Abstract— In this paper, we address the problem of lifetime optimization under storage constraint for wireless sensor networks with a mobile sink node. The problem is particularl...
ICC
2007
IEEE
14 years 3 months ago
2007
IEEE
Abstract— Extending network lifetime of battery-operated devices is a key design issue that allows uninterrupted information exchange among distributive nodes in wireless sensor ...