30 search results - page 2 / 6 » Downlink Channel Assignment and Power Control for Cognitive ... |
WINET
2010
13 years 4 months ago
2010
In Universal Mobile Telecommunication System (UMTS), the downlink capacity is limited by the base station transmission power. Therefore, power control plays an important role to mi...
TSP
2012
12 years 1 months ago
2012
Abstract—We consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive...
INFOCOM
2012
IEEE
11 years 8 months ago
2012
IEEE
—The opening of under-utilized spectrum creates the opportunity of substantial performance improvement through cognitive radio techniques. However, the real network performance m...
VTC
2007
IEEE
14 years 7 days ago
2007
IEEE
— The characterization of downlink traffic power is an important issue for the design of efficient call admission control (CAC) and radio resource management (RRM) procedures. In...
INFOCOM
2010
IEEE
13 years 4 months ago
2010
IEEE
Abstract—WiMAX with femto cells is a cost-effective nextgeneration broadband wireless communication system. Cognitive Radio (CR) has recently emerged as a promising technology to...