221 search results - page 24 / 45 » Duality in Optimization and Constraint Satisfaction |
GLOBECOM
2006
IEEE
14 years 1 months ago
2006
IEEE
Abstract— For multi-user orthogonal frequency division multiplexing (OFDM) systems, efficient optimal rate and power allocation algorithms are presented via geometric programmin...
JSAC
2006
13 years 7 months ago
2006
In mobile wireless networks, dynamic allocation of resources such as transmit powers, bit-rates, and antenna beams based on the channel state information of mobile users is known t...
EXPCS
2007
13 years 11 months ago
2007
Combinatorial optimization problems expressed as Boolean constraint satisfaction problems (BCSPs) arise in several contexts, ranging from the classical unate set-packing problems ...
ICASSP
2008
IEEE
14 years 2 months ago
2008
IEEE
Transmit-power control is a critical task in cognitive radio (CR) networks. In the present contribution, adherence to hierarchies between primary and secondary users in a peer-to-...
FLAIRS
2008
13 years 10 months ago
2008
Preferences in constraint problems are common but significant in many real world applications. In this paper, we extend our conditional and composite CSP (CCCSP) framework, managi...