161 search results - page 25 / 33 » Detection of Small-Scale Primary Users in Cognitive Radio Ne... |
AINA
2011
IEEE
14 years 1 months ago
2011
IEEE
— Next generation wireless networks will be heterogeneous, where several primary users (PU e.g. licensed users) and secondary users (SU e.g. unlicensed users) can operate in the ...
MSWIM
2009
ACM
15 years 2 months ago
2009
ACM
Cognitive Radio (CR) technology constitutes a new paradigm to provide additional spectrum utilization opportunities in wireless ad hoc networks. Recent research in this field has ...
INFOCOM
2011
IEEE
14 years 27 days ago
2011
IEEE
Abstract—Market-based mechanisms offer promising approaches for spectrum access in cognitive radio networks. In this paper, we focus on two market models, one with a monopoly pri...
GLOBECOM
2009
IEEE
15 years 1 months ago
2009
IEEE
In this paper, cognitive transmission under quality of service (QoS) constraints is studied. In the cognitive radio channel model, it is assumed that the secondary transmitter sen...
JSAC
2008
14 years 9 months ago
2008
Abstract--Radio spectrum resource is of fundamental importance for wireless communication. Recent reports show that most available spectrum has been allocated. While some of the sp...