Sciweavers

1077 search results - page 132 / 216
» Approximate reduction of dynamic systems
Sort
View
IJNSEC
2010
120views more  IJNSEC 2010»
14 years 7 months ago
Secure Group Key Management Scheme for Multicast Networks
This paper proposes a scheme to provide security to dynamic multicast VoIP systems efficiently. Security is usually provided by encrypting the media packets sent from a user to ot...
R. Srinivasan, V. Vaidehi, R. Rajaraman, S. Kanaga...
81
Voted
FOCM
2010
100views more  FOCM 2010»
14 years 11 months ago
Higher-Order Averaging, Formal Series and Numerical Integration I: B-series
We show how B-series may be used to derive in a systematic way the analytical expressions of the high-order stroboscopic averaged equations that approximate the slow dynamics of h...
P. Chartier, A. Murua, J. M. Sanz-Serna
94
Voted
JCP
2008
116views more  JCP 2008»
15 years 23 days ago
Sensor Location Strategy in Large-Scale Systems for Fault Detection Applications
Fault detection in large-scale systems is conducted by the use of sensors, thus the sensor location influences the performances of fault detection directly. As the scale of systems...
Fan Yang, Deyun Xiao
ECIR
2004
Springer
15 years 2 months ago
Performance Analysis of Distributed Architectures to Index One Terabyte of Text
We simulate different architectures of a distributed Information Retrieval system on a very large Web collection, in order to work out the optimal setting for a particular set of r...
Fidel Cacheda, Vassilis Plachouras, Iadh Ounis
117
Voted
TSP
2008
147views more  TSP 2008»
15 years 20 days ago
Low-Complexity MIMO Multiuser Receiver: A Joint Antenna Detection Scheme for Time-Varying Channels
Abstract--This paper deals with the uplink of a wireless multiple-input multiple-output (MIMO) communication system based on multicarrier (MC) code division multiple access (CDMA)....
Charlotte Dumard, Thomas Zemen