1196 search results - page 15 / 240 » Performance Measures of Dynamic Spectrum Access Networks |
MOBICOM
2009
ACM
15 years 4 months ago
2009
ACM
Cognitive relays form a special cooperation relationship among users in cognitive radio networks, and help increase the transmission rates of both primary users and secondary user...
WCNC
2008
IEEE
15 years 3 months ago
2008
IEEE
Abstract— We consider a scenario in which frequency agile radios opportunistically share a fixed spectrum resource with a set of primary nodes. We develop a collaborative scheme...
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Voted
WIOPT
2010
IEEE
14 years 7 months ago
2010
IEEE
Abstract—Development of dynamic spectrum access and allocation techniques recently have made feasible the vision of cognitive radio systems. However, a fundamental question arise...
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 ...
WCNC
2008
IEEE
15 years 3 months ago
2008
IEEE
—In this paper, a wireless cognitive radio sensor network is considered, where each sensor node is equipped with cognitive radio and the network is a multi-carrier system operati...