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» Theoretical analysis of bus-invert coding
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FOCS
2004
IEEE
14 years 5 days ago
Hardness of Approximating the Shortest Vector Problem in Lattices
Let p > 1 be any fixed real. We show that assuming NP RP, there is no polynomial time algorithm that approximates the Shortest Vector Problem (SVP) in p norm within a constant ...
Subhash Khot
SIGMOD
2008
ACM
140views Database» more  SIGMOD 2008»
14 years 8 months ago
Skippy: a new snapshot indexing method for time travel in the storage manager
The storage manager of a general-purpose database system can retain consistent disk page level snapshots and run application programs "back-in-time" against long-lived p...
Ross Shaull, Liuba Shrira, Hao Xu
ICC
2008
IEEE
106views Communications» more  ICC 2008»
14 years 2 months ago
Performance Evaluation of BICM-OFDM Systems Impaired by UWB Interference
— In this paper, we propose a theoretical framework for the analysis of the impact of ultra–wideband (UWB) interference on systems that use the popular combination of bit– in...
Amir Nasri, Robert Schober, Lutz H.-J. Lampe
GLOBECOM
2006
IEEE
14 years 2 months ago
Blind Multiuser Detection in Multirate CDMA Transmissions Using Fluctuations of Correlation Estimators
Abstract— This paper deals with the problem of blind multiuser detection in multirate direct-sequence code division multiple access (DS-CDMA). Direct-Sequence Spread Spectrum (DS...
C. Nsiala Nzeza, R. Gautier, G. Burel
ITICSE
2005
ACM
14 years 2 months ago
From objects-first to design-first with multimedia and intelligent tutoring
“Objects-first” is an increasingly popular strategy for teaching object-oriented programming by introducing the concepts of objects, classes, and instances before procedural e...
Sally H. Moritz, Fang Wei, Shahida M. Parvez, Glen...