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TWC
2008
133views more  TWC 2008»
13 years 8 months ago
Beam Selection Strategies for Orthogonal Random Beamforming in Sparse Networks
Abstract--Orthogonal random beamforming (ORB) constitutes a mean to exploit spatial multiplexing and multi-user diversity (MUD) gains in multi-antenna broadcast channels. To do so,...
José López Vicario, Roberto Bosisio,...
ACSAC
2007
IEEE
14 years 3 months ago
MetaAware: Identifying Metamorphic Malware
Detection of malicious software (malware) by the use of static signatures is often criticized for being overly simplistic. Available methods of obfuscating code (so-called metamor...
Qinghua Zhang, Douglas S. Reeves
SECON
2007
IEEE
14 years 2 months ago
OPERA: An Optimal Progressive Error Recovery Algorithm for Wireless Sensor Networks
—Wireless Sensor Networks (WSNs) require robustness against channel induced errors while retransmission based schemes prove too costly for energy constrained sensor nodes. Channe...
Saad B. Qaisar, Hayder Radha
ICIP
2003
IEEE
14 years 10 months ago
Random access using isolated regions
Random access is a desirable feature in many video communication systems. Intra pictures have been conventionally used as random access points, but correct picture content can als...
Miska M. Hannuksela, Ye-Kui Wang, Moncef Gabbouj
FUIN
2010
93views more  FUIN 2010»
13 years 7 months ago
SAT as a Programming Environment for Linear Algebra
In this paper we present an application of the propositional SATisfiability environment to computing some simple orthogonal matrices and some interesting tasks in the area of cry...
Marian Srebrny, Lidia Stepien