49 search results - page 8 / 10 » Cooperative Multi-relay Scheme for Secondary Spectrum Access |
105
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INFOCOM
2010
IEEE
14 years 10 months ago
2010
IEEE
—Cognitive Radio Networks (CRNs) have recently emerged as a promising technology to improve spectrum utilization by allowing secondary users to dynamically access idle primary ch...
126
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INFOCOM
2011
IEEE
14 years 3 months ago
2011
IEEE
—Cognitive radios (CRs) can mitigate the impending spectrum scarcity problem by utilizing their capability of accessing licensed spectrum bands opportunistically. While most exis...
104
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CORR
2011
Springer
14 years 6 months ago
2011
Springer
—Providing proper economic incentives is essential for the success of dynamic spectrum sharing. Cooperative spectrum sharing is one effective way to achieve this goal. In coopera...
109
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INFOCOM
2012
IEEE
13 years 2 months ago
2012
IEEE
—We study the capacity and delay scaling laws for cognitive radio network (CRN) with static primary users and heterogeneous mobile secondary users coexisting in the unit planar a...
102
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ICC
2009
IEEE
14 years 9 months ago
2009
IEEE
Abstract--By using cognitive radio technology, opportunistic spectrum access has the potential to solve the underused spectrum problem. In this paper, we employ class-based call ad...