528 search results - page 3 / 106 » Some problems of directional sensor networks |
IPPS
2009
IEEE
14 years 4 days ago
2009
IEEE
We investigate the problem of converting sets of sensors into strongly connected networks of sensors using multiple directional antennae. Consider a set S of n points in the plane...
ICDCSW
2008
IEEE
13 years 12 months ago
2008
IEEE
In this paper, we propose a new control method to cover the “holes” in wireless sensor networks. Many applications often face the problem of holes when some sensor nodes are d...
PEWASUN
2005
ACM
13 years 11 months ago
2005
ACM
Using directional antennas in wireless ad hoc networks can significantly improve network performance. However, the deafness problem greatly limits the network performance. This pa...
GLOBECOM
2008
IEEE
13 years 12 months ago
2008
IEEE
—In this paper, the problem of deploying relay nodes in wireless sensor networks will be considered. A system consisting of a set of sensor nodes communicating to a fusion center...
INFOCOM
2007
IEEE
13 years 11 months ago
2007
IEEE
— Unlike convectional omni-directional sensors that always have an omni-angle of sensing range, directional sensors may have a limited angle of sensing range due to technical con...