24 search results - page 4 / 5 » Approximation via cost sharing: Simpler and better approxima... |
ICASSP
2011
IEEE
12 years 10 months ago
2011
IEEE
Consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive radio (CR) n...
FOCS
2008
IEEE
14 years 26 days ago
2008
IEEE
In the Survivable Network Design Problem (SNDP) the goal is to find a minimum cost subset of edges that satisfies a given set of pairwise connectivity requirements among the ver...
JSAC
2007
13 years 6 months ago
2007
Abstract— Cooperative diversity facilitates spatio-temporal communications without requiring the deployment of physical antenna arrays. While physical layer studies on cooperativ...
COMCOM
2006
13 years 6 months ago
2006
Scalability and extended lifetime are two critical design goals of any large scale wireless sensor network. A two-tiered network model has been proposed recently for this purpose....
INFOCOM
2003
IEEE
13 years 11 months ago
2003
IEEE
— Satellite operators have recently begun offering Internet access over their networks. Typically, users connect to the network using a modem for uplink, and a satellite dish for...