ICASSP
2011
IEEE
13 years 4 months ago
2011
IEEE
Consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive radio (CR) n...
FSTTCS
1999
Springer
14 years 4 months ago
1999
Springer
Abstract. Shop scheduling problems are known to be notoriously intractable, both in theory and practice. In this paper we give a randomized approximation algorithm for flow shop s...