1368 search results - page 38 / 274 » Avoiding Simplicity Is Complex |
CISS
2008
IEEE
14 years 4 months ago
2008
IEEE
—In this paper, we propose a low complexity linear multiuser beamforming system for the multiple-input multipleoutput (MIMO) broadcast channel. We consider the specific case of ...
ESWS
2010
Springer
14 years 2 months ago
2010
Springer
While the Semantic Web is rapidly filling up, appropriate tools for searching it are still at infancy. In this paper we describe an approach that allows humans to access informatio...
JSAC
2008
13 years 9 months ago
2008
Abstract--Optimal tone allocation in downlink OFDMA networks is a non-convex NP-hard problem that requires extensive feedback for channel information. In this paper, two constantco...
TCOM
2008
13 years 9 months ago
2008
Abstract In multiuser MIMO systems, the base station schedules transmissions to a group of users simultaneously. Since the data transmitted to each user are different, in order to ...
ICDE
2008
IEEE
14 years 11 months ago
2008
IEEE
Abstract-- Current twig join algorithms incur high memory costs on queries that involve child-axis nodes. In this paper we provide an analytical explanation for this phenomenon. In...