14699 search results - page 153 / 2940 » Complexity and Cognitive Computing |
138
Voted
GLOBECOM
2009
IEEE
14 years 10 months ago
2009
IEEE
Primary user emulation attack in multichannel cognitive radio systems is discussed. An attacker is assumed to be able to send primary-user-like signals during spectrum sensing peri...
146
Voted
JSAC
2011
14 years 7 months ago
2011
Abstract—Cognitive radio (CR) technology enables the opportunistic use of the vacant licensed frequency bands, thereby improving the spectrum utilization. However, the CR operati...
TWC
2010
14 years 7 months ago
2010
Abstract--We propose a cognitive radio system in fading environments where the secondary sender opportunistically violates the secondary-to-primary (S-P) interference power limit. ...
117
Voted
NEUROSCIENCE
2001
Springer
15 years 5 months ago
2001
Springer
: Recent research in brain development and cognitive development leads to an apparent paradox. One set of recent experiments suggests that infants are well-endowed with sophisticat...
84
Voted
CHI
2001
ACM
16 years 29 days ago
2001
ACM
Historically one of the visions for human-computer symbiosis has been to augment human intelligence and extend people's cognitive abilities. In this paper, we present two vis...