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CORR
2007
Springer
79views Education» more  CORR 2007»
15 years 6 months ago
Type-II/III DCT/DST algorithms with reduced number of arithmetic operations
We present algorithms for the discrete cosine transform (DCT) and discrete sine transform (DST), of types II and III, that achieve a lower count of real multiplications and additi...
Xuancheng Shao, Steven G. Johnson
INFORMATICALT
2006
108views more  INFORMATICALT 2006»
15 years 6 months ago
Experiments with Hybrid Genetic Algorithm for the Grey Pattern Problem
Recently, genetic algorithms (GAs) and their hybrids have achieved great success in solving difficult combinatorial optimization problems. In this paper, the issues related to the ...
Alfonsas Misevicius
CORR
2007
Springer
93views Education» more  CORR 2007»
15 years 6 months ago
Type-IV DCT, DST, and MDCT algorithms with reduced numbers of arithmetic operations
We present algorithms for the type-IV discrete cosine transform (DCT-IV) and discrete sine transform (DST-IV), as well as for the modified discrete cosine transform (MDCT) and it...
Xuancheng Shao, Steven G. Johnson
HIPC
2009
Springer
15 years 4 months ago
Improved opportunistic scheduling algorithms for WiMAX Mobile Multihop Relay networks
We investigate the problem of scheduling in OFDMbased multihop relay networks with special emphasis on IEEE 802.16j based WiMAX networks. In such networks, scheduling is the probl...
Srinath Narasimha, Krishna M. Sivalingam
CORR
2011
Springer
175views Education» more  CORR 2011»
15 years 1 months ago
A Matrix Hyperbolic Cosine Algorithm and Applications
Wigderson and Xiao presented an efficient derandomization of the matrix Chernoff bound using the method of pessimistic estimators [WX08]. Building on their construction, we prese...
Anastasios Zouzias