58 search results - page 10 / 12 » Joint power control and beamforming for cognitive radio netw... |
TSP
2008
13 years 6 months ago
2008
The problem of transmit beamforming to multiple cochannel multicast groups is considered, when the channel state is known at the transmitter and from two viewpoints: minimizing tot...
JSAC
2011
13 years 1 months ago
2011
—Opportunistic spectrum access creates the opening of under-utilized portions of the licensed spectrum for reuse, provided that the transmissions of secondary radios do not cause...
ICC
2007
IEEE
14 years 18 days ago
2007
IEEE
— We consider the problem of joint end-to-end rate optimization and radio resource management in wireless OFDMA-based mesh networks. Radio units equipped with multiple radio inte...
TCOM
2010
13 years 4 months ago
2010
Dynamic spectrum access (DSA) is an integral part of cognitive radio technology aiming at efficient management of the available power and bandwidth resources. The present paper d...
ETFA
2005
IEEE
13 years 12 months ago
2005
IEEE
AbstractThe impact of the use of mobile devices by means of GPRS (General Packet Radio Service) technology to access environmental information in real time, provided by sensors str...