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CCGRID
2009
IEEE
16 years 22 days ago
Improving Parallel Write by Node-Level Request Scheduling
In a cluster of multiple processors or cpu-cores, many processes may run on each compute node. Each process tends to issue contiguous I/O requests for snapshot, checkpointing or s...
Kazuki Ohta, Hiroya Matsuba, Yutaka Ishikawa
ICC
2009
IEEE
16 years 21 days ago
HELP: // Hypertext In-Emergency Leveraging Protocol
—This paper proposes HELP://, a simple light-weight protocol that runs over HTTP and is used to disseminate information from a server(s) to its clients during the time of a crisi...
Mina Guirguis, Hideo Goto
ICC
2009
IEEE
107views Communications» more  ICC 2009»
16 years 21 days ago
EM-Based Maximum-Likelihood Sequence Detection for MIMO Optical Wireless Systems
—A major performance-limiting factor in terrestrial optical wireless (OW) systems is turbulence-induced fading. Exploiting the additional degrees of freedom in the spatial dimens...
Nestor D. Chatzidiamantis, Murat Uysal, Theodoros ...
MOBICOM
2009
ACM
16 years 14 days ago
Order matters: transmission reordering in wireless networks
Modern wireless interfaces support a physical layer capability called Message in Message (MIM). Briefly, MIM allows a receiver to disengage from an ongoing reception, and engage ...
Justin Manweiler, Naveen Santhapuri, Souvik Sen, R...
CDC
2008
IEEE
197views Control Systems» more  CDC 2008»
16 years 13 days ago
Dynamic spectrum access policies for cognitive radio
—We study the problem of dynamic spectrum sensing and access in cognitive radio systems as a partially observed Markov decision process (POMDP). A group of cognitive users cooper...
Jayakrishnan Unnikrishnan, Venugopal V. Veeravalli