122 search results - page 11 / 25 » Cost constrained spectrum sensing in cognitive radio network... |
95
Voted
VTC
2008
IEEE
15 years 6 months ago
2008
IEEE
— We consider a resource allocation problem for spectrum sharing in cognitive radio networks. Specifically, we investigate the joint subchannel, rate and power allocation for se...
107
click to vote
MSWIM
2009
ACM
15 years 4 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 ...
124
click to vote
IWCMC
2010
ACM
15 years 4 months ago
2010
ACM
The first step required by the process of cognition is the intelligent observation of the environment that surrounds the actors of such a process. We present the CalRAdio-Based a...
107
click to vote
PERCOM
2009
ACM
15 years 6 months ago
2009
ACM
—The primary function of a cognitive radio is to detect idle frequencies or sub-bands, not used by the primary users (PUs), and allocate these frequencies to secondary users. The...
85
Voted
CORR
2008
Springer
14 years 11 months ago
2008
Springer
Abstract--We consider power control in cognitive radio networks where secondary users identify and exploit instantaneous and local spectrum opportunities without causing unacceptab...