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IPPS
2008
IEEE
14 years 2 months ago
Introducing gravel: An MPI companion library
A non-trivial challenge in high performance, cluster computing is the communication overhead introduced by the cluster interconnect. A common strategy for addressing this challeng...
Anthony Danalis, Aaron Brown, Lori L. Pollock, D. ...
PIMRC
2008
IEEE
14 years 2 months ago
Decoding-based channel estimation for selective cooperation diversity protocols
— We describe and analyze Minimum Path Difference (MPD), a metric to improve threshold-based Selection Decodeand-Forward (SDF) protocols in cooperative wireless networks with cha...
Stefan Valentin, Tobias Volkhausen, Furuzan Atay O...
PIMRC
2008
IEEE
14 years 2 months ago
Correlation and capacity of measured multi-user MIMO channels
Abstract—In multi-user multiple-input multiple-output (MUMIMO) systems, spatial multiplexing can be employed to increase the throughput without the need for multiple antennas and...
Florian Kaltenberger, David Gesbert, Raymond Knopp...
VR
2008
IEEE
113views Virtual Reality» more  VR 2008»
14 years 2 months ago
Mobile Group Dynamics in Large-Scale Collaborative Virtual Environments
We have developed techniques called Mobile Group Dynamics (MGDs), which help groups of people to work together while they travel around large-scale virtual environments. MGDs expl...
Trevor J. Dodds, Roy A. Ruddle
VTC
2008
IEEE
186views Communications» more  VTC 2008»
14 years 2 months ago
Downlink Limited Feedback Transmission Schemes for Asymmetric MIMO Channels
Abstract—In multiple-input multiple-output (MIMO) broadcast channels, multiuser diversity is exploited by scheduling data transmission to users with best channel conditions. To ï...
Mohsen Eslami, Witold A. Krzymien