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ICASSP
2008
IEEE
14 years 5 months ago
Some results on 16-QAM MIMO detection using semidefinite relaxation
Semidefinite relaxation (SDR) is a high-performance efficient approach to MIMO detection especially for the BPSK or QPSK constellations. Recently, a number of research endeavors...
Wing-Kin Ma, Chao-Cheng Su, Joakim Jalden, Chong-Y...
SIAMNUM
2011
139views more  SIAMNUM 2011»
13 years 5 months ago
Adaptive Wavelet Schemes for Parabolic Problems: Sparse Matrices and Numerical Results
A simultaneous space-time variational formulation of a parabolic evolution problem is solved with an adaptive wavelet method. This method is shown to converge with the best possibl...
Nabi Chegini, Rob Stevenson
SC
1991
ACM
14 years 2 months ago
Performance results for two of the NAS parallel benchmarks
Two problems from the recently published “NAS Parallel Benchmarks” have been implemented on three advanced parallel computer systems. These two benchmarks are the following: (...
David H. Bailey, Paul O. Frederickson
DATESO
2007
157views Database» more  DATESO 2007»
14 years 11 days ago
Index-Based Approach to Similarity Search in Protein and Nucleotide Databases
When searching databases of nucleotide or protein sequences, finding a local alignment of two sequences is one of the main tasks. Since the sizes of available databases grow const...
David Hoksza, Tomás Skopal
FOCS
2010
IEEE
13 years 9 months ago
Replacement Paths via Fast Matrix Multiplication
Let G be a directed edge-weighted graph and let P be a shortest path from s to t in G. The replacement paths problem asks to compute, for every edge e on P, the shortest s-to-t pat...
Oren Weimann, Raphael Yuster