232 search results - page 33 / 47 » A Secondary Market for Spectrum |
INFOCOM
2008
IEEE
15 years 4 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...
GLOBECOM
2010
IEEE
14 years 7 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 ...
INFOCOM
2012
IEEE
13 years 3 days ago
2012
IEEE
—In this paper we study the resource allocation in OFDM-based cognitive radio (CR) networks, under the consideration of many practical limitations such as imperfect spectrum sens...
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INFOCOM
2009
IEEE
15 years 4 months ago
2009
IEEE
—In cognitive wireless networks where secondary users (SUs) opportunistically access spectral white spaces of primary users (PUs), there exists an inherent tradeoff between sensi...
INFOCOM
2010
IEEE
14 years 8 months ago
2010
IEEE
Abstract—The queueing performance of a (secondary) cognitive user is investigated for a hierarchical network where there are N independent and identical primary users. Each prima...