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GLOBECOM
2008
IEEE
16 years 1 months ago
Collaborative Opportunistic Spectrum Access in the Presence of Multiple Transmitters
Abstract— We present a collaborative algorithm to enable opportunistic spectrum access for cognitive radios in the presence of multiple co-channel transmitters. A spectrum hole d...
Ahmed O. Nasif, Brian L. Mark
GLOBECOM
2008
IEEE
16 years 1 months ago
Secure Context Switch for Private Computing on Public Platforms
— Private Computing on Public Platforms (PCPP) is a new technology designed to enable secure and private execution of applications on remote, potentially hostile, public platform...
Thomas H. Morris, V. S. S. Nair
GLVLSI
2008
IEEE
157views VLSI» more  GLVLSI 2008»
16 years 1 months ago
Coverage-driven automatic test generation for uml activity diagrams
Due to the increasing complexity of today’s embedded systems, the analysis and validation of such systems is becoming a major challenge. UML is gradually adopted in the embedded...
Mingsong Chen, Prabhat Mishra, Dhrubajyoti Kalita
ICASSP
2008
IEEE
16 years 1 months ago
Bayesian extensions to non-negative matrix factorisation for audio signal modelling
We describe the underlying probabilistic generative signal model of non-negative matrix factorisation (NMF) and propose a realistic conjugate priors on the matrices to be estimate...
Tuomas Virtanen, Ali Taylan Cemgil, Simon J. Godsi...
ICIP
2008
IEEE
16 years 1 months ago
Macroblock-based retransmission for error-resilient video streaming
This paper revisits the problem of source-channel coding for error-resilient video streaming. We propose a new method to enable adaptive redundancy in the bitstream: fine-grain r...
J. Christian Schmidt, Kenneth Rose