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TCAD
1998
107views more  TCAD 1998»
15 years 6 months ago
Optimizing dominant time constant in RC circuits
— Conventional methods for optimal sizing of wires and transistors use linear resistor-capacitor (RC) circuit models and the Elmore delay as a measure of signal delay. If the RC ...
Lieven Vandenberghe, Stephen P. Boyd, Abbas A. El ...
PVLDB
2008
84views more  PVLDB 2008»
15 years 5 months ago
When is it time to rethink the aggregate configuration of your OLAP server?
OLAP servers based on relational backends typically exploit materialized aggregate tables to improve response times of complex analytical queries. One of the key problems in this ...
Katja Hose, Daniel Klan, Matthias Marx, Kai-Uwe Sa...
COR
2008
160views more  COR 2008»
15 years 4 months ago
Formulations and exact algorithms for the vehicle routing problem with time windows
In this paper we review the exact algorithms proposed in the last three decades for the solution of the vehicle routing problem with time windows (VRPTW). The exact algorithms for...
Brian Kallehauge
ITIIS
2010
79views more  ITIIS 2010»
15 years 4 months ago
HMM-based Adaptive Frequency-Hopping Cognitive Radio System to Reduce Interference Time and to Improve Throughput
Cognitive Radio is an advanced enabling technology for the efficient utilization of vacant spectrum due to its ability to sense the spectrum environment. It is important to determ...
Sung Hwan Shon, Sung Jeen Jang, Jae Moung Kim
SIAMSC
2010
121views more  SIAMSC 2010»
15 years 4 months ago
Extrapolated Implicit-Explicit Time Stepping
This paper constructs extrapolated implicit-explicit time stepping methods that allow one to efficiently solve problems with both stiff and nonstiff components. The proposed meth...
Emil M. Constantinescu, Adrian Sandu