58 search results - page 2 / 12 » Joint power control and beamforming for cognitive radio netw... |
TSP
2010
12 years 11 months ago
2010
We consider decentralized multiantenna cognitive radio networks where the secondary (cognitive) users are granted simultaneous spectrum access along with the license-holding (prima...
TMC
2010
13 years 3 months ago
2010
—We consider a point-to-multipoint cognitive radio network that shares a set of channels with a primary network. Within the cognitive radio network, a base station controls and s...
TON
2012
11 years 7 months ago
2012
—The deployment of cognitive radio networks enables efficient spectrum sharing and opportunistic spectrum access. It also presents new challenges to the classical problem of int...
CISS
2008
IEEE
13 years 6 months ago
2008
IEEE
Cognitive radios permit dynamic control of physical layer resources such as transmission power and constellation size; these degrees of freedom can be employed to achieve significa...
ICASSP
2011
IEEE
12 years 8 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...