593 search results - page 25 / 119 » Cooperation and Cognitive Radio |
CORR
2010
Springer
14 years 8 months ago
2010
Springer
Nowadays, It has been shown that spectrum scarcity increased due to tremendous growth of new players in wireless base system by the evolution of the radio communication. Resent su...
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
– According to the commons model of cognitive radio, the activity of secondary (unlicensed) nodes is required to guarantee quality-of-service (QoS) constraints on the transmissio...
83
Voted
ICC
2008
IEEE
15 years 4 months ago
2008
IEEE
—Cognitive radio (CR) dynamically accessing inactive radio spectrum of the primary system (PS) at link level has attracted a lot of research interests. The cognitive radio networ...
80
Voted
GLOBECOM
2008
IEEE
15 years 4 months ago
2008
IEEE
—In this paper, we propose several spectrum sensing methods designed using the generalized likelihood ratio test (GLRT) paradigm, for application in a cognitive radio network. Th...
74
Voted
VTC
2006
IEEE
15 years 3 months ago
2006
IEEE
— In this paper, we present a novel low complexity algorithm for reducing the peak-to-average power ratio (PAPR) occurring in OFDM-based cognitive radios. Although several PAPR r...