244 search results - page 21 / 49 » On the Tightness of the Buhrman-Cleve-Wigderson Simulation |
TWC
2008
2008
On the design, selection algorithm and performance analysis of limited feedback transmit beamforming
13 years 7 months ago
Multiple-input multiple-output (MIMO) systems achieve significant diversity and array gains by using transmit beamforming. When complete channel state information (CSI) is not avai...
COMGEO
2000
ACM
13 years 7 months ago
2000
ACM
We present a fast and accurate collision detection algorithm for haptic interaction with polygonal models. Given a model, we pre-compute a hybrid hierarchical representation, cons...
ENVSOFT
2002
13 years 7 months ago
2002
The integration of environmental models and Geographical Information Systems (GIS) usually takes two approaches: loose coupling and tight coupling. This paper, however, presents a...
INFOCOM
2010
IEEE
13 years 6 months ago
2010
IEEE
Abstract—The queueing performance of a (secondary) cognitive user is investigated for a hierarchical network where there are N independent and identical primary users. Each prima...
TC
2010
13 years 6 months ago
2010
We consider soft real-time applications organised as pipelines of tasks using resources of different type (communication, computation, storage). The applications are assumed to be...