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IWCMC
2010
ACM
15 years 11 months ago
An oversampling approach for LoS-ToA estimation in interleaved OFDMA
Line-of-sight (LoS) time-of-arrival (ToA) is one of key parameters for network-based localization techniques. Its estimation accuracy depends on the bandwidth of transmitted signa...
Ziming He, Yi Ma, Rahim Tafazolli, Hongju Liu
DAWAK
2001
Springer
15 years 10 months ago
Shared Index Scans for Data Warehouses
Tree based indexing structures like -trees, ·-trees, Bitmap indexes and Ê-trees have become essential for getting good performance when accessing vast datasets. However, most dat...
Yannis Kotidis, Yannis Sismanis, Nick Roussopoulos
ICRA
2000
IEEE
130views Robotics» more  ICRA 2000»
15 years 10 months ago
Design and Actuation Optimization of a 4 Axes Biped Robot for Walking and Running
Several french laboratories, joint in the CNRS Project "Control of Legged Robots", have defined a biped robot intented to experiment walking and running gaits. This bipe...
Cambrini Chevallereau, Philippe Sardain
SC
2000
ACM
15 years 10 months ago
Is Data Distribution Necessary in OpenMP?
This paper investigates the performance implications of data placement in OpenMP programs running on modern ccNUMA multiprocessors. Data locality and minimization of the rate of r...
Dimitrios S. Nikolopoulos, Theodore S. Papatheodor...
ICDCS
1999
IEEE
15 years 10 months ago
Proxy Cache Coherency and Replacement - Towards a More Complete Picture
This work studies the interaction of Web proxy cache coherency and replacement policies using trace-driven simulations. We specifically examine the relative importance of each typ...
Balachander Krishnamurthy, Craig E. Wills