256 search results - page 3 / 52 » Approximation algorithms for channel allocation problems in ... |
GLOBECOM
2006
IEEE
13 years 11 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...
CORR
2010
Springer
13 years 5 months ago
2010
Springer
Abstract-Recently, the duality between Multiple Input Multiple Output (MIMO) Multiple Access Channels (MAC) and MIMO Broadcast Channels (BC) has been established under a total powe...
WIOPT
2011
IEEE
12 years 9 months ago
2011
IEEE
—We consider the minimization of the transmission completion time with a battery limited energy harvesting transmitter in a two-user AWGN broadcast channel. The transmitter has ...
INFOCOM
2009
IEEE
14 years 12 days ago
2009
IEEE
—Broadcasting is a fundamental operation in wireless networks and plays an important role in the communication protocol design. In multihop wireless networks, however, interferen...
ALGOSENSORS
2009
Springer
14 years 11 days ago
2009
Springer
A wireless ad-hoc network is a collection of transceivers positioned in the plane. Each transceiver is equipped with a limited battery charge. The battery charge is then reduced a...