626 search results - page 18 / 126 » Power Control for User Cooperation |
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
In this paper, the problem about power control in multiuser cognitive networks is addressed. The scenario we study is a heterogeneous network, where multiple cognitive (without the...
GLOBECOM
2006
IEEE
14 years 3 months ago
2006
IEEE
Abstract— For a multiple-input single-output (MISO) downlink channel with ¢ transmit antennas, it has been recently proved that zero-forcing beamforming (ZFBF) to a subset of (a...
MOBIHOC
2002
ACM
14 years 9 months ago
2002
ACM
Topology control problems are concerned with the assignment of power values to the nodes of an ad hoc network so that the power assignment leads to a graph topology satisfying som...
TWC
2008
13 years 9 months ago
2008
We consider a secondary usage of spectrum scenario where a secondary network coexists and/or shares the radio spectrum with a primary network to which the spectrum is licensed. The...
INFOCOM
2010
IEEE
13 years 8 months ago
2010
IEEE
Abstract—We consider the power control problem in a timeslotted wireless channel, shared by a finite number of mobiles that transmit to a common base station. The channel betwee...