34 search results - page 3 / 7 » Joint bandwidth and power allocation in cognitive radio netw... |
JSAC
2011
13 years 22 days ago
2011
—We consider a wireless cognitive radio network in which a set of secondary users (SUs) opportunistically utilize the wireless spectrum licensed to the primary users (PUs) to tra...
JCST
2008
13 years 5 months ago
2008
The allocation of bandwidth to unlicensed users, without significantly increasing the interference on the existing licensed users, is a challenge for Ultra Wideband (UWB) networks....
CISS
2010
IEEE
12 years 9 months ago
2010
IEEE
—This paper presents the system level performance evaluation for energy-detection based cooperative spectrum sensing in cognitive radio networks. Three performance criteria are q...
ICC
2008
IEEE
14 years 7 days ago
2008
IEEE
—The cooperative dirty paper coding (DPC) rate region is investigated in a two-transmitter two-receiver network with full channel state information available at all terminals. Th...
CORR
2007
Springer
13 years 5 months ago
2007
Springer
—Resource allocation is investigated for fading relay channels under separate power constraints at the source and relay nodes. As a basic information-theoretic model for fading r...