178 search results - page 34 / 36 » An iterative power allocation algorithm in OFDM system based... |
TSP
2010
13 years 2 months ago
2010
Abstract--A cooperative approach to the sensing task of wireless cognitive radio (CR) networks is introduced based on a basis expansion model of the power spectral density (PSD) ma...
TWC
2008
13 years 7 months ago
2008
In this paper we introduce a novel linear precoding technique. The approach used for the design of the precoding matrix is general and the resulting algorithm can address several o...
PVLDB
2008
13 years 5 months ago
2008
Keyword search in XML repositories is a powerful tool for interactive data exploration. Much work has recently been done on making XML search aware of relationship information emb...
ICPR
2008
IEEE
14 years 1 months ago
2008
IEEE
Visual dictionaries are widely employed in object recognition to map unordered bags of local region descriptors into feature vectors for image classification. Most visual dictiona...
JSAC
2006
13 years 7 months ago
2006
Abstract--In this paper, we investigate the dynamic resource allocation adapted to spread-spectrum multicarrier multiple-access (SS-MC-MA) systems in a multiuser power line communi...