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ISVC
2009
Springer
15 years 6 months ago
GPU-Based Ray Casting of Multiple Multi-resolution Volume Datasets
We developed a GPU-based volume ray casting system for rendering multiple arbitrarily overlapping multi-resolution volume data sets. Our efficient volume virtualization scheme is b...
Christopher Lux, Bernd Fröhlich
106
Voted
WCNC
2008
IEEE
15 years 6 months ago
Estimation of Interference-Free Transmit Power for Opportunistic Spectrum Access
Abstract— We consider a scenario in which frequency agile radios opportunistically share a fixed spectrum resource with a set of primary nodes. We develop a collaborative scheme...
Brian L. Mark, Ahmed O. Nasif
DATE
2007
IEEE
164views Hardware» more  DATE 2007»
15 years 6 months ago
Distributed power-management techniques for wireless network video systems
Wireless sensor networks operating on limited energy resources need to be power efficient to extend the system lifetime. This is especially challenging for video sensor networks d...
Nicholas H. Zamora, Jung-Chun Kao, Radu Marculescu
GLOBECOM
2007
IEEE
15 years 6 months ago
Opportunistic Feedback in OFDMA Downlink
—This paper presents an opportunistic feedback (OF) protocol that reduces the amount of channel-state-information (CSI) feedback for the OFDMA downlink system. The OF protocol as...
Rajiv Agarwal, Vineet Abhishek, Rath Vannithamby, ...
ICC
2007
IEEE
15 years 6 months ago
Implementation and Simulation of DBHPD and CBQ scheduling - A Comparative Study
— In this paper we analyze the operation of two scheduling algorithms, Class Based Queuing (CBQ) and Delay Bounded Hybrid Proportional Delay (DBHPD). We compare results obtained ...
Johanna Nieminen, Marko Luoma, Olli-Pekka Lamminen...