119 search results - page 12 / 24 » Impact of mobility on spectrum sensing in cognitive radio ne... |
GLOBECOM
2010
IEEE
13 years 5 months ago
2010
IEEE
In a cognitive radio network, the full-spectrum is usually divided into multiple channels. However, due to the hardware and energy constraints, a cognitive user (also called second...
VTC
2008
IEEE
14 years 1 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...
IWCMC
2009
ACM
14 years 2 months ago
2009
ACM
This paper addresses the problem of optimal cooperative spectrum sensing in a cognitive-enabled sensor network where cognitive sensors can cooperate in the sensing of the spectrum...
IWCMC
2010
ACM
14 years 17 days 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...
PERCOM
2009
ACM
14 years 2 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...