403 search results - page 14 / 81 » On Spectrum Sharing in Cooperative Multiple Access Networks |
VTC
2008
IEEE
14 years 2 months ago
2008
IEEE
Abstract— In this paper, we analyze DS-CDMA/OFDM spectrum sharing system based on opportunistic spectrum access (OSA). In this system, the primary network air interface is based ...
GLOBECOM
2007
IEEE
14 years 2 months ago
2007
IEEE
Abstract—We explore the performance tradeoff between opportunistic and regulated access inherent in the design of multiuser cognitive radio networks. We consider a cognitive radi...
JSAC
2006
13 years 7 months ago
2006
Abstract-- Information about the topology and link-level characteristics of a network is critical for many applications including network diagnostics and management. However, this ...
VTC
2010
IEEE
13 years 6 months ago
2010
IEEE
— We consider the sensing of the frequency spectrum based on energy detection for cognitive radios. It has been shown that the reliability of the sensing can be improved by using...
WCNC
2008
IEEE
14 years 2 months ago
2008
IEEE
— In an opportunistic spectrum sharing system, secondary users equipped with cognitive radios opportunistically access spectrum that is not being used by the primary users, i.e.,...