332 search results - page 22 / 67 » Opportunistic Spectrum Access in Cognitive Radio Networks |
123
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GLOBECOM
2010
IEEE
14 years 7 months ago
2010
IEEE
There are many key problems of decision making related to spectrum occupancies in cognitive radio networks. It is known that there exist correlations of spectrum occupancies in tim...
87
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TMC
2011
14 years 4 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 ...
101
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WCNC
2010
IEEE
15 years 1 months ago
2010
IEEE
Abstract—In cognitive mobile multihop relay (CMMR) network, the mobile user as the primary user is allocated with the channel for transmitting data. Relay station as the secondar...
121
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JSAC
2011
14 years 4 months ago
2011
Abstract—In decentralized cognitive radio (CR) networks, enabling the radios to establish a control channel (i.e., “rendezvous” to establish a link) is a challenging problem....
105
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JSAC
2008
14 years 9 months ago
2008
Abstract--The concept of cognitive radio (or secondary spectrum access) is currently under investigation as a promising paradigm to achieve efficient use of the frequency resource ...