20 search results - page 1 / 4 » Opportunistic Spectrum Multichannel OFDMA |
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
GLOBECOM
2010
IEEE
13 years 2 months ago
2010
IEEE
We propose an analytical model to assess the throughput and connection blocking rate of Opportunistic Spectrum Orthogonal Frequency Division Multiple Access network constituted of ...
VTC
2010
IEEE
13 years 3 months ago
2010
IEEE
—In this paper, we develop an opportunistic spectrum scheduling scheme for cognitive radio networks. In the proposed scheme, the channel status (i.e., whether being occupied by p...
GLOBECOM
2007
IEEE
13 years 6 months ago
2007
IEEE
—Open spectrum systems allow unlicensed secondary users equipped with cognitive radio to opportunistically access the spectrum underutilized by primary users. Cognitive radio has...
INFOCOM
2008
IEEE
13 years 11 months ago
2008
IEEE
—We consider opportunistic spectrum access (OSA) strategies for a transmitter in a multichannel wireless system, where a channel may or may not be available and the transmitter m...