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ICASSP
2011
IEEE
13 years 1 months ago
Worst-case based robust adaptive beamforming for general-rank signal models using positive semi-definite covariance constraint
In this paper, we develop a new approach to the robust beamforming for general-rank signal models. Our method is based on the worst-case performance optimization using a semi-de n...
Haihua Chen, Alex B. Gershman
CCS
2005
ACM
14 years 3 months ago
Direct chosen ciphertext security from identity-based techniques
We describe a new encryption technique that is secure in the standard model against adaptive chosen ciphertext (CCA2) attacks. We base our method on two very efficient Identity-Ba...
Xavier Boyen, Qixiang Mei, Brent Waters
MDM
2010
Springer
188views Communications» more  MDM 2010»
13 years 8 months ago
A Distributed Technique for Dynamic Operator Placement in Wireless Sensor Networks
—We present an optimal distributed algorithm to adapt the placement of a single operator in high communication cost networks, such as a wireless sensor network. Our parameterfree...
Georgios Chatzimilioudis, Nikos Mamoulis, Dimitrio...
TCSV
2002
167views more  TCSV 2002»
13 years 9 months ago
Three-dimensional subband coding techniques for wireless video communications
This paper presents a new 3-D subband coding framework that is able to achieve a good balance between high compression performance and channel error resilience. Various data transf...
Hong Man, Ricardo L. de Queiroz, Mark J. T. Smith
IR
2002
13 years 9 months ago
Adaptive Filtering of Newswire Stories using Two-Level Clustering
Adaptive filtering of news is an area of information retrieval gaining substantial interest as services become more available on the Internet. This paper reports on a number of ex...
David Eichmann, Padmini Srinivasan