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SSDBM
2008
IEEE
131views Database» more  SSDBM 2008»
16 years 29 days ago
Linked Bernoulli Synopses: Sampling along Foreign Keys
Random sampling is a popular technique for providing fast approximate query answers, especially in data warehouse environments. Compared to other types of synopses, random sampling...
Rainer Gemulla, Philipp Rösch, Wolfgang Lehne...
TPHOL
2008
IEEE
16 years 29 days ago
The Isabelle Framework
g to the well-known “LCF approach” of secure inferences as abstract datatype constructors in ML [16]; explicit proof terms are also available [8]. Isabelle/Isar provides sophis...
Makarius Wenzel, Lawrence C. Paulson, Tobias Nipko...
VTC
2008
IEEE
160views Communications» more  VTC 2008»
16 years 29 days ago
Reducing Feedback Requirements of the Multiple Weight Opportunistic Beamforming Scheme via Selective Multiuser Diversity
—Opportunistic beamforming (OB) relies on the transmission of Channel State Information (CSI) in the form of instantaneous Signal to Noise Ratio (SNR) from Mobile Stations (MSs) ...
Marios Nicolaou, Angela Doufexi, Simon Armour
VTC
2008
IEEE
236views Communications» more  VTC 2008»
16 years 29 days ago
Apriori-LLR-Threshold-Assisted K-Best Sphere Detection for MIMO Channels
—When the maximum number of best candidates retained at each tree search level of the K-Best Sphere Detection (SD) is kept low for the sake of maintaining a low memory requiremen...
Li Wang, Lei Xu, Sheng Chen, Lajos Hanzo
WCNC
2008
IEEE
16 years 29 days ago
Proportional Fair Scheduling: Analytical Insight under Rayleigh Fading Environment
—This paper provides analytical expressions to evaluate the performance of a random access wireless network in terms of user throughput and network throughput, subject to the con...
Erwu Liu, Kin K. Leung
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