1089 search results - page 13 / 218 » Randomness and Reducibility |
ETT
2000
13 years 7 months ago
2000
: This paper is concerned with a randomized OFDM (R-OFDM) scheme. The basic principle is to apply a scrambling operation to several OFDM frames. With a proper design strategy, the ...
DC
2007
13 years 7 months ago
2007
d bins abstraction and works in two phases. The main novelty of the work is in the first phase where the number of contending processes is reduced in a controlled manner. Probabil...
GBRPR
2009
Springer
14 years 9 days ago
2009
Springer
This paper proposes to transform data scanned randomly in a well-defined space (e.g, Euclidean) along a hierarchical irregular pyramidal structure in an attempt reduce search time...
ASPDAC
2009
ACM
14 years 2 months ago
2009
ACM
— Power distribution networks (PDNs) are designed and analyzed iteratively. Random walk is among the most efficient methods for PDN analysis. We develop in this paper an increme...
SDM
2007
SIAM
13 years 9 months ago
2007
SIAM
We propose the use of random projections with a sparse matrix to maintain a sketch of a collection of high-dimensional data-streams that are updated asynchronously. This sketch al...