Sciweavers

4103 search results - page 496 / 821
» Some results on the Collatz problem
Sort
View
WWW
2011
ACM
15 years 1 months ago
Geographical topic discovery and comparison
This paper studies the problem of discovering and comparing geographical topics from GPS-associated documents. GPSassociated documents become popular with the pervasiveness of loc...
Zhijun Yin, Liangliang Cao, Jiawei Han, Chengxiang...
SIAMNUM
2011
161views more  SIAMNUM 2011»
15 years 1 months ago
A Convergent Finite Volume Scheme for Diffusion on Evolving Surfaces
Abstract. A finite volume scheme for transport and diffusion problems on evolving hypersurfaces is discussed. The underlying motion is assumed to be described by a fixed, not ne...
Martin Lenz, Simplice Firmin Nemadjieu, Martin Rum...
TIT
2010
110views Education» more  TIT 2010»
15 years 1 months ago
Error rates of the maximum-likelihood detector for arbitrary constellations: convex/concave behavior and applications
Motivated by a recent surge of interest in convex optimization techniques, convexity/concavity properties of error rates of the maximum likelihood detector operating in the AWGN ch...
Sergey Loyka, Victoria Kostina, François Ga...
TMC
2010
86views more  TMC 2010»
15 years 1 months ago
Providing Service Guarantees in 802.11e EDCA WLANs with Legacy Stations
Although the EDCA access mechanism of the 802.11e standard supports legacy DCF stations, the presence of DCF stations in the WLAN jeopardizes the provisioning of the service guaran...
Albert Banchs, Pablo Serrano, Luca Vollero
TWC
2010
15 years 1 months ago
On the diversity order of non-orthogonal amplify-and-forward over block-fading channels
Abstract--In this paper, we deal with the performance of nonorthogonal Amplify-and-Forward protocols over block-fading channels (BFNAF), where the source retransmits the same data ...
Ioannis Krikidis, John S. Thompson, Steve McLaughl...