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ICASSP
2009
IEEE
15 years 4 months ago
Minimum BER beamforming in the RF domain for OFDM transmissions and linear receivers
In this paper, we study transmission schemes for a novel OFDMbased MIMO system which performs adaptive signal combining in radio-frequency (RF). Specifically, we consider the prob...
Javier Vía, Victor Elvira, Ignacio Santamar...
TJS
2010
145views more  TJS 2010»
15 years 1 months ago
Analyzing and enhancing the parallel sort operation on multithreaded architectures
The Sort operation is a core part of many critical applications. Despite the large efforts to parallelize it, the fact that it suffers from high data-dependencies vastly limits it...
Layali K. Rashid, Wessam Hassanein, Moustafa A. Ha...
CIKM
2005
Springer
16 years 12 days ago
QED: a novel quaternary encoding to completely avoid re-labeling in XML updates
The method of assigning labels to the nodes of the XML tree is called a labeling scheme. Based on the labels only, both ordered and un-ordered queries can be processed without acc...
Changqing Li, Tok Wang Ling
ASPLOS
2000
ACM
15 years 11 months ago
Communication Scheduling
The high arithmetic rates of media processing applications require architectures with tens to hundreds of functional units, multiple register files, and explicit interconnect betw...
Peter R. Mattson, William J. Dally, Scott Rixner, ...
IR
2006
15 years 6 months ago
Evolving local and global weighting schemes in information retrieval
This paper describes a method, using Genetic Programming, to automatically determine term weighting schemes for the vector space model. Based on a set of queries and their human de...
Ronan Cummins, Colm O'Riordan