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» Theoretical analysis of bus-invert coding
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FOCS
2004
IEEE
15 years 7 months 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
192
Voted
SIGMOD
2008
ACM
140views Database» more  SIGMOD 2008»
16 years 4 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
140
Voted
ICC
2008
IEEE
106views Communications» more  ICC 2008»
15 years 10 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
15 years 10 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
15 years 9 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...