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PRESENCE
2000
94views more  PRESENCE 2000»
15 years 6 months ago
Virtual Environments with Four or More Spatial Dimensions
We describe methods for displaying complex, texturemapped environments with four or more spatial dimensions that allow for real-time interaction. At any one moment in time, a thre...
Michael D'Zmura, Philippe Colantoni, Gregory Seyra...
VTC
2006
IEEE
134views Communications» more  VTC 2006»
16 years 27 days ago
Efficient Algorithms for PAPR Reduction in OFDM Transmitters Implemented using Fixed-Point DSPs
OFDM has a very high peak-to-average power ratio. This imposes stringent dynamic range requirements on the analog front-ends of the transmitter and receiver and, if a fixedpoint pr...
Brendon J. C. Schmidt, Chi Ng, Patrick Yien, Chris...
SCAM
2008
IEEE
16 years 1 months ago
User-Input Dependence Analysis via Graph Reachability
Bug-checking tools have been used with some success in recent years to find bugs in software. For finding bugs that can cause security vulnerabilities, bug checking tools requir...
Bernhard Scholz, Chenyi Zhang, Cristina Cifuentes
ICLP
2005
Springer
16 years 12 days ago
OWL: A Description Logic Based Ontology Language
Abstract Description Logics (DLs) are a family of class (concept) based knowledge representation formalisms. They are characterised by the use of various constructors to build comp...
Ian Horrocks
GLOBECOM
2006
IEEE
16 years 28 days ago
Sum Rate Maximization and Transmit Power Minimization for Multi-User Orthogonal Space Division Multiplexing
—We demonstrate that receive antenna selection (RAS) provides significant increase in the achievable sum rates for multi-user MIMO wireless downlinks that employ block diagonaliz...
Boon Chin Lim, Christian Schlegel, Witold A. Krzym...