332 search results - page 23 / 67 » Opportunistic Spectrum Access in Cognitive Radio Networks |
MONET
2008
15 years 1 months ago
2008
Cognitive Radio has been proposed as a promising technology to solve today's spectrum scarcity problem by dynamic spectrum access. The MPSoC reconfigurable platform is propose...
147
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GLOBECOM
2010
IEEE
14 years 12 months ago
2010
IEEE
In a cognitive radio network, the full-spectrum is usually divided into multiple channels. However, due to the hardware and energy constraints, a cognitive user (also called second...
129
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TWC
2010
14 years 8 months ago
2010
In this paper, we propose the concept of centralized dynamic spectrum leasing (C-DSL), in which multiple primary users belonging to the same primary system participate in the spect...
109
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MOBICOM
2009
ACM
15 years 6 months ago
2009
ACM
We consider the problem of cross-band interference when devices from the same or different networks share radio spectrum. Cross-band interference occurs when unsynchronized trans...