169 search results - page 14 / 34 » Opportunistic spectrum access for mobile cognitive radios |
TWC
2010
13 years 2 months ago
2010
In this paper we propose a Dynamic Spectrum Access scheme which allows the users to opportunistically and efficiently access the channels available for communications. It addresses...
MONET
2008
13 years 7 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...
TMC
2011
13 years 2 months ago
2011
We consider the problem of optimal channel access to provide quality of service (QoS) for data transmission in cognitive vehicular networks. In such a network the vehicular nodes ...
WIMOB
2008
IEEE
14 years 2 months ago
2008
IEEE
GLOBECOM
2009
IEEE
14 years 2 months ago
2009
IEEE
Abstract—We propose a model-based channel access mechanism for cognitive radio-enabled secondary network, which opportunistically uses the channel of an unslotted primary network...