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CCGRID
2009
IEEE
15 years 6 months 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
15 years 6 months 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»
15 years 6 months 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
15 years 5 months 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»
15 years 5 months 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