5410 search results - page 48 / 1082 » When to Cross Over |
ICC
2009
IEEE
13 years 6 months ago
2009
IEEE
Abstract-- Wireless sensor networks (WSNs) require energyef cient protocols to improve the network lifetime. In this work, we adopt a cross-layer strategy that considers routing an...
TWC
2008
13 years 8 months ago
2008
In order to adapt to time-varying wireless channels, various channel-adaptive schemes have been proposed to exploit inherent spatial diversity in mobile/wireless ad hoc networks w...
JSAC
2011
13 years 3 months ago
2011
Abstract—The increasing demand for wireless access in vehicular environments (WAVE) supporting a wide range of applications such as traffic safety, surveying, infotainment etc.,...
EMNLP
2011
12 years 8 months ago
2011
Context-dependent word similarity can be measured over multiple cross-cutting dimensions. For example, lung and breath are similar thematically, while authoritative and superfici...
COMPGEOM
2010
ACM
14 years 1 months ago
2010
ACM
A graph is near-planar if it can be obtained from a planar graph by adding an edge. We show that it is NP-hard to compute the crossing number of near-planar graphs. The main idea ...