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157
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ICC
2007
IEEE
16 years 23 days ago
2007
IEEE
—Peak-to-average power ratio (PAR) reduction in OFDM using antenna arrays (MIMO OFDM) is considered. In particular, generalizations of selected mapping (SLM) recently proposed in...
162
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WOWMOM
2005
ACM
15 years 12 months ago
2005
ACM
Abstract—This paper examines the following wireless data access scenario: a number of clients are interested in a set of data items kept at the server. A client sends a query req...
177
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WEBDB
2005
Springer
15 years 12 months ago
2005
Springer
In the relational model it has been shown that the flat relational algebra has the same expressive power as the nested relational algebra, as far as queries over flat relations ...
154
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EDOC
2003
IEEE
15 years 11 months ago
2003
IEEE
The Meta-Object Facility (MOF) provides a standardised framework for object-oriented models. An instance of a MOF model contains objects and links whose interfaces are entirely de...
147
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ASSETS
2008
ACM
15 years 8 months ago
2008
ACM
PowerUp is a multi-player virtual world educational game with a broad set of accessibility features built in. This paper considers what features are necessary to make virtual worl...