45 search results - page 3 / 9 » Joint Beamforming and Power Allocation for Multiple Access C... |
CORR
2008
Springer
13 years 5 months ago
2008
Springer
In this paper, we consider a cognitive radio (CR) network in which the unlicensed (secondary) users are allowed to concurrently access the spectrum allocated to the licensed (prim...
INFOCOM
2010
IEEE
13 years 4 months ago
2010
IEEE
—We venture beyond the “listen-before-talk” strategy that is common in many traditional cognitive radio access schemes. We exploit the bi-directional nature of most primary c...
ICASSP
2008
IEEE
14 years 6 days ago
2008
IEEE
The present paper deals with dynamic resource management based on quantized channel state information (CSI) for multi-carrier cognitive radio networks comprising primary and secon...
JSAC
2011
13 years 21 days ago
2011
This paper investigates the issue of dynamic resource allocation (DRA) in the context of multiuser cognitive radio networks. We present a general framework adopting generalized si...
JSAC
2011
13 years 21 days ago
2011
This work on cognitive radio access ventures beyond the more traditional “listen-before-talk” paradigm that underlies many cognitive radio access proposals. We exploit the bi-...